| Rank | Air Quality Index ▼ | School District / Population |
| 1. | 74.5 | Woodlake Union High School District / 12,614 |
| 2. | 74.5 | Three Rivers Union Elementary School District / 2,295 |
| 3. | 71.5 | Beaumont Unified School District / 50,547 |
| 4. | 70.8 | Chawanakee Unified School District / 3,786 |
| 4. | 70.8 | Yosemite Unified School District / 10,167 |
| 4. | 70.8 | Yucaipa-Calimesa Joint Unified School District / 60,586 |
| 7. | 70.2 | Moreno Valley Unified School District / 171,643 |
| 8. | 69.9 | Di Giorgio Elementary School District / 1,111 |
| 8. | 69.9 | Caliente Union Elementary School District / 820 |
| 10. | 69.5 | Redlands Unified School District / 127,504 |
| 11. | 69.4 | Romoland Elementary School District / 26,855 |
| 11. | 69.4 | Menifee Union Elementary School District / 83,734 |
| 11. | 69.4 | Val Verde Unified School District / 87,285 |
| 11. | 69.4 | Perris Elementary School District / 47,912 |
| 11. | 69.4 | Nuview Union Elementary School District / 10,327 |
| 11. | 69.4 | San Jacinto Unified School District / 47,122 |
| 11. | 69.4 | Hemet Unified School District / 136,298 |
| 11. | 69.4 | Perris Union High School District / 168,828 |
| 19. | 68.9 | Etiwanda Elementary School District / 92,600 |
| 20. | 68.8 | Fontana Unified School District / 180,724 |
| 21. | 68.7 | Hot Springs Elementary School District / 289 |
| 21. | 68.7 | Lake Elsinore Unified School District / 123,062 |
| 21. | 68.7 | Colton Joint Unified School District / 117,644 |
| 24. | 68.6 | Bear Valley Unified School District / 18,707 |
| 25. | 68.0 | Citrus South Tule Elementary School District / 509 |
| 26. | 67.9 | San Bernardino City Unified School District / 257,587 |
| 27. | 67.8 | Lone Pine Unified School District / 2,502 |
| 27. | 67.8 | Jurupa Unified School District / 97,621 |
| 29. | 67.7 | Norris Elementary School District / 25,386 |
| 29. | 67.7 | Standard Elementary School District / 24,375 |
| 29. | 67.7 | Blake Elementary School District / 210 |
| 29. | 67.7 | Beardsley Elementary School District / 16,745 |
| 29. | 67.7 | Richland-Lerdo Union Elementary School District / 19,667 |
| 29. | 67.7 | Wasco Union Elementary School District / 26,615 |
| 29. | 67.7 | Linns Valley-Poso Flat Union School District / 667 |
| 29. | 67.7 | Ducor Union Elementary School District / 1,257 |
| 29. | 67.7 | Delano Union Elementary School District / 55,166 |
| 29. | 67.7 | McFarland Unified School District / 13,750 |
| 29. | 67.7 | Kern Union High School District / 614,756 |
| 29. | 67.7 | Delano Joint Union High School District / 71,140 |
| 41. | 67.6 | Corona-Norco Unified School District / 266,438 |
| 42. | 67.5 | Tehachapi Unified School District / 34,595 |
| 42. | 67.5 | Rialto Unified School District / 124,641 |
| 44. | 67.3 | Cucamonga Elementary School District / 28,773 |
| 44. | 67.3 | Central Elementary School District / 37,990 |
| 44. | 67.3 | Vineland Elementary School District / 4,250 |
| 44. | 67.3 | Chaffey Joint Union High School District / 407,913 |
| 44. | 67.3 | Alta Loma Elementary School District / 56,136 |
| 44. | 67.3 | Arvin Union Elementary School District / 20,219 |
| 50. | 67.2 | Kernville Union Elementary School District / 10,709 |
| 50. | 67.2 | Bakersfield City Elementary School District / 192,403 |
| 52. | 67.1 | Edison Elementary School District / 6,233 |
| 52. | 67.1 | Alvord Unified School District / 111,564 |
| 54. | 66.8 | Springville Union Elementary School District / 3,002 |
| 54. | 66.8 | Riverside Unified School District / 250,974 |
| 56. | 66.7 | Mariposa County Unified School District / 17,735 |
| 56. | 66.7 | Banning Unified School District / 35,042 |
| 58. | 66.5 | Rim of the World Unified School District / 26,147 |
| 59. | 65.8 | Columbine Elementary School District / 335 |
| 60. | 65.4 | Pond Union Elementary School District / 752 |
| 60. | 65.4 | Richgrove Elementary School District / 3,389 |
| 62. | 65.3 | General Shafter Elementary School District / 883 |
| 63. | 65.2 | Mountain View Elementary School District / 20,964 |
| 64. | 65.0 | Fairfax Elementary School District / 15,158 |
| 65. | 64.9 | Yosemite Unified School District in Bass Lake / 11,644 |
| 65. | 64.9 | Ontario-Montclair Elementary School District / 171,174 |
| 65. | 64.9 | Bass Lake Joint Union Elementary School District / 11,644 |
| 68. | 64.6 | Lamont Elementary School District / 17,451 |
| 68. | 64.6 | Chino Valley Unified School District / 177,117 |
| 68. | 64.6 | Upland Unified School District / 74,363 |
| 71. | 64.1 | Porterville Unified (9-12) School District / 47,472 |
| 71. | 64.1 | Porterville Unified School District / 50,383 |
| 71. | 64.1 | Strathmore Union Elementary School District / 6,354 |
| 71. | 64.1 | Alta Vista Elementary School District / 3,523 |
| 75. | 64.0 | Burton Elementary School District / 16,899 |
| 75. | 64.0 | Hope Elementary School District / 673 |
| 75. | 64.0 | Terra Bella Union Elementary School District / 5,354 |
| 75. | 64.0 | Mount Baldy Joint Elementary School District / 276 |
| 75. | 64.0 | Sunnyside Union Elementary School District / 2,221 |
| 75. | 64.0 | Woodville Elementary School District / 3,156 |
| 75. | 64.0 | Pleasant View Elementary School District / 2,803 |
| 75. | 64.0 | Rockford Elementary School District / 1,076 |
| 83. | 63.6 | Allensworth Elementary School District / 489 |
| 83. | 63.6 | Alpaugh Unified School District / 1,173 |
| 83. | 63.6 | Earlimart Elementary School District / 11,009 |
| 83. | 63.6 | Saucelito Elementary School District / 209 |
| 83. | 63.6 | Tipton Elementary School District / 3,134 |
| 83. | 63.6 | Pixley Union Elementary School District / 5,179 |
| 89. | 63.3 | Fruitvale Elementary School District / 20,456 |
| 89. | 63.3 | Planada Elementary School District / 5,312 |
| 89. | 63.3 | Rosedale Union Elementary School District / 43,174 |
| 89. | 63.3 | Kings River Union Elementary School District / 3,468 |
| 89. | 63.3 | Buttonwillow Union Elementary School District / 1,972 |
| 89. | 63.3 | Rio Bravo-Greeley Union Elementary School District / 5,425 |
| 89. | 63.3 | Belridge Elementary School District / 124 |
| 89. | 63.3 | Maple Elementary School District / 631 |
| 89. | 63.3 | Kingsburg Joint Union High School District / 18,469 |
| 89. | 63.3 | McKittrick Elementary School District / 129 |
| 99. | 63.1 | Visalia Unified School District / 145,530 |
| 99. | 63.1 | Sundale Union Elementary School District / 2,667 |
| 99. | 63.1 | Kit Carson Union Elementary School District / 2,801 |
| 99. | 63.1 | Tulare City Elementary School District / 61,949 |
| 99. | 63.1 | Tulare Joint Union High School District / 79,949 |
| 99. | 63.1 | Liberty Elementary School District / 1,786 |
| 99. | 63.1 | Oak Valley Union Elementary School District / 1,343 |
| 99. | 63.1 | Kings River-Hardwick Union Elementary School District / 2,613 |
| 99. | 63.1 | Outside Creek Elementary School District / 517 |
| 108. | 63.0 | Pine Ridge Elementary School District / 1,042 |
| 108. | 63.0 | Sierra Unified School District / 9,584 |
| 108. | 63.0 | Traver Joint Elementary School District / 1,336 |
| 108. | 63.0 | Dinuba Unified (9-12) in Kings River Union / 2,241 |
| 112. | 62.9 | Cutler-Orosi Joint Unified School District / 18,356 |
| 112. | 62.9 | Monson-Sultana Joint Union Elementary School District / 2,393 |
| 112. | 62.9 | Dinuba Unified School District / 25,475 |
| 112. | 62.9 | Kings Canyon Joint Unified School District / 46,807 |
| 112. | 62.9 | Dinuba Unified (9-12) in Monson-Sultana Joint Union / 2,393 |
| 117. | 62.8 | Big Creek Elementary School District / 472 |
| 118. | 62.7 | Armona Union Elementary School District / 6,109 |
| 118. | 62.7 | Pioneer Union Elementary School District / 11,450 |
| 118. | 62.7 | Hanford Elementary School District / 44,944 |
| 118. | 62.7 | Buena Vista Elementary School District / 294 |
| 118. | 62.7 | Palo Verde Union Elementary School District / 2,538 |
| 118. | 62.7 | Lemoore Union High School District / 37,960 |
| 118. | 62.7 | Corcoran Joint Unified School District / 25,376 |
| 118. | 62.7 | Lemoore Union Elementary School District / 26,464 |
| 118. | 62.7 | Lakeside Union Elementary School District / 2,635 |
| 118. | 62.7 | Hanford Joint Union High School District / 70,552 |
| 118. | 62.7 | Central Union Elementary School District / 10,098 |
| 118. | 62.7 | Waukena Joint Union Elementary School District / 1,059 |
| 130. | 62.6 | Lakeside Union Elementary School District / 7,182 |
| 130. | 62.6 | Taft Union High School District / 19,725 |
| 130. | 62.6 | Midway Elementary School District / 448 |
| 130. | 62.6 | Panama-Buena Vista Union Elementary School District / 125,006 |
| 130. | 62.6 | Elk Hills Elementary School District / 234 |
| 130. | 62.6 | Taft City Elementary School District / 18,790 |
| 136. | 62.5 | Clay Joint Elementary School District / 519 |
| 137. | 62.5 | Kingsburg Joint Union Elementary School District / 15,387 |
| 138. | 62.4 | Pomona Unified School District / 170,167 |
| 138. | 62.4 | Claremont Unified School District / 41,524 |
| 140. | 62.2 | Plainsburg Union Elementary School District / 528 |
| 140. | 62.2 | Exeter Union High School District / 16,293 |
| 140. | 62.2 | Exeter Union Elementary School District / 13,492 |
| 140. | 62.2 | Woodlake Union Elementary School District / 9,633 |
| 140. | 62.2 | Le Grand Union Elementary School District / 2,281 |
| 140. | 62.2 | Lindsay Unified School District / 17,520 |
| 140. | 62.2 | Maricopa Unified School District / 1,815 |
| 140. | 62.2 | Sequoia Union Elementary School District / 1,993 |
| 140. | 62.2 | Le Grand Union High School District / 8,121 |
| 149. | 62.1 | Greenfield Union Elementary School District / 51,494 |
| 149. | 62.1 | Stone Corral Elementary School District / 786 |
| 151. | 62.0 | Farmersville Unified School District / 11,313 |
| 152. | 61.9 | Laton Joint Unified School District / 3,397 |
| 153. | 61.8 | Coalinga-Huron Joint Unified School District / 27,911 |
| 153. | 61.8 | Island Union Elementary School District / 1,398 |
| 155. | 61.7 | Bonita Unified School District / 62,559 |
| 156. | 61.5 | Placentia-Yorba Linda Unified School District / 162,650 |
| 157. | 61.5 | Brea-Olinda Unified School District / 35,795 |
| 157. | 61.5 | Semitropic Elementary School District / 350 |
| 157. | 61.5 | Mammoth Unified School District / 9,463 |
| 157. | 61.5 | Wasco Union High School District / 30,282 |
| 161. | 61.3 | Glendale Unified School District / 217,882 |
| 161. | 61.3 | Burbank Unified School District / 104,484 |
| 161. | 61.3 | Beverly Hills Unified School District / 34,601 |
| 164. | 61.2 | Los Angeles Unified School District / 4,616,744 |
| 165. | 61.1 | Montebello Unified School District / 166,945 |
| 165. | 61.1 | Glendora Unified School District / 37,616 |
| 165. | 61.1 | Charter Oak Unified School District / 36,949 |
| 165. | 61.1 | Walnut Valley Unified School District / 56,754 |
| 165. | 61.1 | Whittier Union High School District / 223,988 |
| 165. | 61.1 | Covina-Valley Unified School District / 79,918 |
| 171. | 61.0 | El Rancho Unified School District / 61,415 |
| 171. | 61.0 | El Nido Elementary School District / 1,763 |
| 171. | 61.0 | Merced City Elementary School District / 85,645 |
| 171. | 61.0 | McSwain Union Elementary School District / 5,777 |
| 171. | 61.0 | Los Nietos Elementary School District / 16,470 |
| 171. | 61.0 | Weaver Union Elementary School District / 12,719 |
| 177. | 60.9 | Central Unified School District / 73,264 |
| 178. | 60.7 | Culver City Unified School District / 39,615 |
| 178. | 60.7 | Downey Unified School District / 121,885 |
| 178. | 60.7 | Golden Valley Unified School District / 10,471 |
| 178. | 60.7 | Little Lake City Elementary School District / 34,267 |
| 178. | 60.7 | Selma Unified School District / 29,495 |
| 178. | 60.7 | Monroe Elementary School District / 1,095 |
| 184. | 60.6 | Burrel Union Elementary School District / 481 |
| 184. | 60.6 | West Park Elementary School District / 1,794 |
| 184. | 60.6 | Washington Union High School District / 18,639 |
| 184. | 60.6 | American Union Elementary School District / 2,122 |
| 184. | 60.6 | Raisin City Elementary School District / 1,642 |
| 184. | 60.6 | Caruthers Unified School District / 5,201 |
| 184. | 60.6 | Orange Center Elementary School District / 1,845 |
| 184. | 60.6 | Washington Colony Elementary School District / 2,631 |
| 184. | 60.6 | Pacific Union Elementary School District / 3,850 |
| 184. | 60.6 | West Fresno Elementary School District / 7,102 |
| 184. | 60.6 | Alvina Elementary School District / 442 |
| 184. | 60.6 | Fowler Unified School District / 10,546 |
| 196. | 60.5 | Westside Elementary School District / 1,633 |
| 196. | 60.5 | Whittier City Elementary School District / 69,244 |
| 196. | 60.5 | Riverdale Joint Unified School District / 7,027 |
| 199. | 60.4 | Norwalk-La Mirada Unified School District / 125,814 |
| 199. | 60.4 | South Whittier Elementary School District / 28,863 |
| 199. | 60.4 | Lowell Joint Elementary School District / 34,891 |
| 202. | 60.3 | Parlier Unified School District / 15,873 |
| 202. | 60.3 | Sanger Unified School District / 50,298 |
| 204. | 60.2 | East Whittier City Elementary School District / 75,144 |
| 205. | 60.1 | Palm Springs Unified School District / 170,230 |
| 206. | 59.8 | Clovis Unified School District / 193,968 |
| 206. | 59.8 | Lennox Elementary School District / 28,409 |
| 206. | 59.8 | Inglewood Unified School District / 114,173 |
| 206. | 59.8 | Fresno Unified School District / 389,017 |
| 210. | 59.5 | Kerman Unified School District / 18,645 |
| 210. | 59.5 | Mendota Unified School District / 12,523 |
| 210. | 59.5 | Golden Plains Unified School District / 7,255 |
| 213. | 59.4 | Reef-Sunset Unified School District / 16,401 |
| 214. | 59.3 | Yosemite Unified School District in Raymond-Knowles / 1,229 |
| 214. | 59.3 | Raymond-Knowles Union Elementary School District / 1,229 |
| 216. | 59.1 | Chowchilla Union High School District / 24,076 |
| 216. | 59.1 | Alview-Dairyland Union Elementary School District / 1,503 |
| 216. | 59.1 | Firebaugh-Las Deltas Joint Unified School District / 8,854 |
| 216. | 59.1 | Chowchilla Elementary School District / 22,573 |
| 216. | 59.1 | Dos Palos-Oro Loma Joint Unified School District / 11,228 |
| 221. | 59.0 | La Canada Unified School District / 18,300 |
| 222. | 58.9 | Summerville Elementary School District / 4,207 |
| 223. | 58.8 | Snelling-Merced Falls Union Elementary School District / 493 |
| 223. | 58.8 | Merced River Union Elementary School District / 918 |
| 223. | 58.8 | Atwater Elementary School District / 34,346 |
| 223. | 58.8 | Winton Elementary School District / 11,981 |
| 223. | 58.8 | Merced Union High School District / 172,168 |
| 228. | 58.7 | La Habra City Elementary School District / 51,618 |
| 229. | 58.6 | Livingston Union Elementary School District / 16,084 |
| 229. | 58.6 | Garvey Elementary School District / 51,203 |
| 229. | 58.6 | Rosemead Elementary School District / 28,045 |
| 229. | 58.6 | San Gabriel Unified School District / 41,687 |
| 229. | 58.6 | Ballico-Cressey Elementary School District / 2,442 |
| 229. | 58.6 | Alhambra Unified (9-12) School District / 51,203 |
| 235. | 58.5 | West Covina Unified School District / 60,683 |
| 235. | 58.5 | La Grange Elementary School District / 195 |
| 235. | 58.5 | Delhi Unified School District / 12,049 |
| 238. | 58.3 | Azusa Unified School District / 68,134 |
| 238. | 58.3 | Centinela Valley Union High School District / 164,477 |
| 238. | 58.3 | Wiseburn Elementary School District / 13,295 |
| 238. | 58.3 | El Segundo Unified School District / 16,839 |
| 238. | 58.3 | Hawthorne Elementary School District / 73,786 |
| 238. | 58.3 | Madera Unified School District / 90,738 |
| 244. | 58.2 | Rowland Unified School District / 112,198 |
| 245. | 58.0 | Camptonville Elementary School District / 632 |
| 245. | 58.0 | Nevada City Elementary School District / 15,471 |
| 245. | 58.0 | Twin Ridges Elementary School District / 2,511 |
| 248. | 57.9 | San Marino Unified School District / 15,245 |
| 248. | 57.9 | Summerville Union High School District / 10,316 |
| 248. | 57.9 | Alhambra Unified School District / 117,800 |
| 248. | 57.9 | Pasadena Unified School District / 205,980 |
| 248. | 57.9 | South Pasadena Unified School District / 25,914 |
| 253. | 57.8 | Bellflower Unified School District / 83,462 |
| 253. | 57.8 | Baldwin Park Unified School District / 75,705 |
| 253. | 57.8 | Mountain View Elementary School District / 57,223 |
| 253. | 57.8 | Duarte Unified School District / 27,361 |
| 253. | 57.8 | Hacienda La Puente Unified School District / 119,479 |
| 253. | 57.8 | Bassett Unified School District / 26,107 |
| 253. | 57.8 | Paramount Unified School District / 79,104 |
| 260. | 57.6 | Calexico Unified School District / 39,652 |
| 260. | 57.6 | Heber Elementary School District / 7,129 |
| 262. | 57.5 | El Monte Union High School District / 176,553 |
| 262. | 57.5 | Temple City Unified School District / 36,238 |
| 262. | 57.5 | Valle Lindo Elementary School District / 6,532 |
| 262. | 57.5 | El Monte City Elementary School District / 84,753 |
| 266. | 57.4 | Hilmar Unified School District / 9,946 |
| 266. | 57.4 | Hickman Elementary School District / 1,030 |
| 266. | 57.4 | Denair Unified School District / 8,450 |
| 266. | 57.4 | Waterford Unified School District / 9,673 |
| 266. | 57.4 | Turlock Unified School District / 71,507 |
| 266. | 57.4 | Roberts Ferry Union Elementary School District / 342 |
| 266. | 57.4 | Gustine Unified School District / 8,505 |
| 266. | 57.4 | Newman-Crows Landing Unified School District / 12,946 |
| 266. | 57.4 | Hughson Unified School District / 9,728 |
| 266. | 57.4 | Gratton Elementary School District / 574 |
| 266. | 57.4 | Turlock Unified School District in Keyes Union / 6,551 |
| 266. | 57.4 | Keyes Union Elementary School District / 6,568 |
| 266. | 57.4 | Chatom Union Elementary School District / 4,157 |
| 266. | 57.4 | Turlock Unified School District in Chatom Union / 4,174 |
| 266. | 57.4 | Fullerton Elementary School District / 118,973 |
| 281. | 57.3 | Monrovia Unified School District / 44,311 |
| 281. | 57.3 | Arcadia Unified School District / 58,214 |
| 283. | 57.0 | Fullerton Joint Union High School District / 254,929 |
| 283. | 57.0 | Buena Park Elementary School District / 49,447 |
| 283. | 57.0 | Anaheim Elementary School District / 199,329 |
| 286. | 56.7 | Redondo Beach Unified School District / 67,511 |
| 286. | 56.7 | Compton Unified School District / 156,928 |
| 286. | 56.7 | Lawndale Elementary School District / 48,987 |
| 286. | 56.7 | Manhattan Beach Unified School District / 35,534 |
| 286. | 56.7 | Hermosa Beach City Elementary School District / 19,725 |
| 286. | 56.7 | Lynwood Unified School District / 69,538 |
| 292. | 56.6 | Twain Harte-Long Barn Union Elementary School District / 6,109 |
| 292. | 56.6 | Belleview Elementary School District / 1,729 |
| 292. | 56.6 | Soulsbyville Elementary School District / 4,210 |
| 295. | 56.5 | Torrance Unified School District / 146,841 |
| 296. | 56.5 | Bret Harte Union High School District / 19,135 |
| 296. | 56.5 | Palos Verdes Peninsula Unified School District / 61,812 |
| 298. | 56.4 | Morongo Unified School District / 70,035 |
| 298. | 56.4 | Lucerne Valley Unified School District / 6,427 |
| 300. | 56.3 | Alta-Dutch Flat Union Elementary School District / 1,331 |
| 301. | 56.0 | Big Pine Unified School District / 1,735 |
| 301. | 56.0 | Owens Valley Unified School District / 689 |
| 303. | 55.9 | Long Beach Unified School District / 517,243 |
| 304. | 55.7 | South Fork Union Elementary School District / 3,907 |
| 305. | 55.6 | Vallecito Union Elementary School District / 9,207 |
| 305. | 55.6 | El Tejon Unified School District / 8,549 |
| 307. | 55.4 | Los Banos Unified School District / 40,166 |
| 308. | 54.9 | Round Valley Joint Elementary School District / 1,361 |
| 309. | 54.6 | Big Oak Flat-Groveland Unified School District / 4,945 |
| 310. | 54.5 | Westminster Elementary School District / 86,034 |
| 310. | 54.5 | Ocean View Elementary School District / 94,443 |
| 310. | 54.5 | Cypress Elementary School District / 44,224 |
| 310. | 54.5 | Garden Grove Unified School District / 280,562 |
| 310. | 54.5 | Magnolia Elementary School District / 63,683 |
| 310. | 54.5 | Centralia Elementary School District / 55,222 |
| 310. | 54.5 | Anaheim Union High School District / 393,069 |
| 310. | 54.5 | Savanna Elementary School District / 30,611 |
| 318. | 54.3 | Los Alamitos Unified School District / 50,324 |
| 319. | 54.2 | Plum Valley Elementary School District / 441 |
| 319. | 54.2 | Bend Elementary School District / 937 |
| 319. | 54.2 | Lassen View Union Elementary School District / 2,655 |
| 319. | 54.2 | Red Bluff Joint Union High School District / 42,864 |
| 323. | 54.1 | Temecula Valley Unified School District / 147,264 |
| 323. | 54.1 | Murrieta Valley Unified School District / 107,409 |
| 323. | 54.1 | ABC Unified School District / 106,746 |
| 326. | 54.0 | Sulphur Springs Union Elementary School District / 62,728 |
| 327. | 53.9 | Huntington Beach Union High School District / 319,151 |
| 327. | 53.9 | Fountain Valley Elementary School District / 53,593 |
| 327. | 53.9 | Huntington Beach City Elementary School District / 85,081 |
| 330. | 53.8 | Palmdale Elementary School District / 134,570 |
| 330. | 53.8 | Acton-Agua Dulce Unified School District / 11,329 |
| 332. | 52.9 | Borrego Springs Unified School District / 2,607 |
| 333. | 52.8 | Orange Unified School District / 221,154 |
| 334. | 52.7 | Keppel Union Elementary School District / 20,554 |
| 335. | 52.5 | Tustin Unified School District / 137,595 |
| 336. | 52.5 | Capistrano Unified School District / 353,831 |
| 336. | 52.5 | Saddleback Valley Unified School District / 208,325 |
| 338. | 52.1 | Bishop Joint Union High School District / 12,976 |
| 338. | 52.1 | Santa Ana Unified School District / 259,835 |
| 338. | 52.1 | Hughes-Elizabeth Lakes Union Elementary School District / 3,339 |
| 338. | 52.1 | Bishop Union Elementary School District / 11,908 |
| 342. | 51.8 | Newport-Mesa Unified School District / 198,500 |
| 342. | 51.8 | Irvine Unified School District / 202,069 |
| 342. | 51.8 | Laguna Beach Unified School District / 28,582 |
| 345. | 51.7 | Newcastle Elementary School District / 2,550 |
| 345. | 51.7 | Desert Sands Unified School District / 183,446 |
| 345. | 51.7 | Eastern Sierra Unified School District / 4,291 |
| 348. | 51.6 | Wilsona Elementary School District / 9,857 |
| 349. | 51.5 | Baker Valley Unified School District / 969 |
| 349. | 51.5 | Mojave Unified School District / 18,025 |
| 349. | 51.5 | Lost Hills Union Elementary School District / 2,686 |
| 349. | 51.5 | Southern Kern Unified School District / 19,800 |
| 349. | 51.5 | Muroc Joint Unified School District / 5,925 |
| 354. | 51.5 | Ophir Elementary School District / 1,755 |
| 354. | 51.5 | Curtis Creek Elementary School District / 9,364 |
| 354. | 51.5 | Jamestown Elementary School District / 7,905 |
| 354. | 51.5 | Snowline Joint Unified School District / 37,760 |
| 354. | 51.5 | Ackerman Elementary School District / 2,423 |
| 354. | 51.5 | Sonora Elementary School District / 9,395 |
| 354. | 51.5 | Auburn Union Elementary School District / 35,333 |
| 354. | 51.5 | Sonora Union High School District / 39,086 |
| 362. | 51.4 | Victor Valley Union High School District / 160,967 |
| 362. | 51.4 | Hesperia Unified School District / 102,594 |
| 362. | 51.4 | Adelanto Elementary School District / 57,092 |
| 362. | 51.4 | Victor Elementary School District / 96,508 |
| 366. | 51.0 | Ceres Unified School District / 54,452 |
| 366. | 51.0 | Sylvan Union Elementary School District / 73,983 |
| 366. | 51.0 | Modesto City Elementary School District / 114,588 |
| 366. | 51.0 | Empire Union Elementary School District / 25,081 |
| 366. | 51.0 | Modesto City High School District / 270,816 |
| 366. | 51.0 | Paradise Elementary School District / 809 |
| 372. | 50.8 | Spencer Valley Elementary School District / 514 |
| 372. | 50.8 | Ramona City Unified School District / 35,871 |
| 374. | 50.5 | Patterson Joint Unified School District / 26,374 |
| 375. | 50.4 | Biggs Unified School District / 3,382 |
| 376. | 50.1 | Coachella Valley Unified School District / 85,356 |
| 377. | 49.7 | Feather Falls Union Elementary School District / 506 |
| 378. | 49.4 | Stanislaus Union Elementary School District / 30,330 |
| 378. | 49.4 | Riverbank Unified School District / 15,602 |
| 378. | 49.4 | Shiloh Elementary School District / 793 |
| 378. | 49.4 | Hart-Ransom Union Elementary School District / 4,285 |
| 378. | 49.4 | Julian Union Elementary School District / 3,628 |
| 378. | 49.4 | Oakdale Joint Unified School District / 29,488 |
| 378. | 49.4 | Julian Union High School District / 4,142 |
| 378. | 49.4 | Knights Ferry Elementary School District / 553 |
| 386. | 49.2 | Columbia Union Elementary School District / 6,483 |
| 386. | 49.2 | Cuyama Joint Unified School District / 976 |
| 386. | 49.2 | Mark Twain Union Elementary School District / 9,928 |
| 389. | 49.1 | Jamul-Dulzura Union Elementary School District / 8,727 |
| 389. | 49.1 | Eastside Union Elementary School District / 24,787 |
| 389. | 49.1 | Lancaster Elementary School District / 114,402 |
| 392. | 49.0 | Encinitas Union Elementary School District / 71,440 |
| 392. | 49.0 | Salida Union Elementary School District / 20,947 |
| 392. | 49.0 | New Jerusalem Elementary School District / 1,941 |
| 392. | 49.0 | Cardiff Elementary School District / 12,234 |
| 392. | 49.0 | Apple Valley Unified School District / 78,319 |
| 392. | 49.0 | San Dieguito Union High School District / 172,297 |
| 392. | 49.0 | Oro Grande Elementary School District / 1,054 |
| 399. | 48.9 | Grass Valley Elementary School District / 23,916 |
| 399. | 48.9 | Escalon Unified School District / 14,793 |
| 399. | 48.9 | Nevada Joint Union High School District / 81,741 |
| 399. | 48.9 | Ready Springs Union Elementary School District / 5,563 |
| 399. | 48.9 | Clear Creek Elementary School District / 1,804 |
| 399. | 48.9 | Ripon Unified School District / 17,319 |
| 399. | 48.9 | Pleasant Valley Elementary School District / 8,253 |
| 399. | 48.9 | William S. Hart Union High School District / 272,531 |
| 399. | 48.9 | Saugus Union Elementary School District / 105,341 |
| 399. | 48.9 | Newhall Elementary School District / 74,701 |
| 399. | 48.9 | Union Hill Elementary School District / 2,547 |
| 410. | 48.8 | Warner Unified School District / 1,867 |
| 411. | 48.7 | San Marcos Unified School District / 119,125 |
| 412. | 48.6 | Westside Union Elementary School District / 69,226 |
| 413. | 48.5 | San Pasqual Union Elementary School District / 3,643 |
| 413. | 48.5 | El Dorado Union High School District / 139,364 |
| 413. | 48.5 | Escondido Union High School District / 169,107 |
| 413. | 48.5 | Rancho Santa Fe Elementary School District / 5,460 |
| 413. | 48.5 | Mother Lode Union Elementary School District / 16,464 |
| 413. | 48.5 | Poway Unified School District / 195,170 |
| 413. | 48.5 | Gold Trail Union Elementary School District / 6,087 |
| 413. | 48.5 | Placerville Union Elementary School District / 14,810 |
| 413. | 48.5 | Escondido Union Elementary School District / 165,464 |
| 422. | 48.5 | Valley Home Joint Elementary School District / 1,667 |
| 422. | 48.5 | Westmorland Union Elementary School District / 2,131 |
| 424. | 48.4 | Black Oak Mine Unified School District / 12,869 |
| 425. | 48.3 | Meridian Elementary School District / 686 |
| 426. | 48.2 | Carlsbad Unified School District / 73,826 |
| 427. | 48.1 | Camino Union Elementary School District / 4,119 |
| 427. | 48.1 | Live Oak Unified School District / 10,307 |
| 427. | 48.1 | Brittan Elementary School District / 3,760 |
| 427. | 48.1 | Gold Oak Union Elementary School District / 8,823 |
| 427. | 48.1 | Gridley Unified School District / 9,876 |
| 427. | 48.1 | Brawley Elementary School District / 26,358 |
| 427. | 48.1 | Manzanita Elementary School District / 1,193 |
| 434. | 48.0 | Dehesa Elementary School District / 1,990 |
| 434. | 48.0 | Alpine Union Elementary School District / 19,010 |
| 434. | 48.0 | Castaic Union Elementary School District / 29,761 |
| 434. | 48.0 | Imperial Unified School District / 22,164 |
| 438. | 47.9 | Vista Unified School District / 148,293 |
| 439. | 47.5 | San Ysidro Elementary School District / 44,246 |
| 440. | 47.5 | Antelope Valley Union High School District / 376,846 |
| 440. | 47.5 | Oceanside Unified School District / 139,735 |
| 442. | 47.4 | San Pasqual Valley Unified School District / 2,410 |
| 443. | 47.3 | Pollock Pines Elementary School District / 8,439 |
| 444. | 47.2 | Placer Hills Union Elementary School District / 13,707 |
| 445. | 46.9 | Silver Fork Elementary School District / 126 |
| 445. | 46.9 | Latrobe Elementary School District / 3,273 |
| 447. | 46.8 | Silver Valley Unified School District / 13,588 |
| 447. | 46.8 | Helendale Elementary School District / 6,313 |
| 447. | 46.8 | Banta Elementary School District / 5,277 |
| 447. | 46.8 | Barstow Unified School District / 34,365 |
| 451. | 46.6 | Buckeye Union Elementary School District / 37,679 |
| 451. | 46.6 | Manteca Unified School District / 120,724 |
| 451. | 46.6 | Rescue Union Elementary School District / 35,075 |
| 451. | 46.6 | Stockton Unified School District / 200,825 |
| 451. | 46.6 | Linden Unified School District / 11,778 |
| 451. | 46.6 | Santa Monica-Malibu Unified School District / 110,934 |
| 451. | 46.6 | Lincoln Unified School District / 47,549 |
| 458. | 46.5 | La Mesa-Spring Valley School District / 134,920 |
| 458. | 46.5 | Calaveras Unified School District / 25,786 |
| 460. | 46.5 | Lakeside Union Elementary School District / 40,961 |
| 461. | 46.4 | Alpine County Unified School District / 1,202 |
| 461. | 46.4 | Tracy Joint Unified School District / 76,923 |
| 461. | 46.4 | Desert Center Unified School District / 431 |
| 464. | 46.3 | Simi Valley Unified School District / 129,256 |
| 464. | 46.3 | Oak Park Unified School District / 14,685 |
| 464. | 46.3 | Las Virgenes Unified School District / 64,624 |
| 464. | 46.3 | Conejo Valley Unified School District / 136,471 |
| 468. | 46.1 | Holtville Unified School District / 8,593 |
| 469. | 46.0 | Brawley Union High School District / 28,739 |
| 469. | 46.0 | Sierra Sands Unified School District / 35,295 |
| 469. | 46.0 | Magnolia Union Elementary School District / 112 |
| 469. | 46.0 | Fallbrook Union Elementary School District / 62,413 |
| 469. | 46.0 | Mulberry Elementary School District / 138 |
| 474. | 45.9 | Galt Joint Union Elementary School District / 29,087 |
| 474. | 45.9 | Valley Center-Pauma Unified School District / 24,700 |
| 474. | 45.9 | Oak View Union Elementary School District / 2,836 |
| 477. | 45.8 | Meadows Union Elementary School District / 1,967 |
| 477. | 45.8 | Moorpark Unified School District / 36,271 |
| 477. | 45.8 | Del Mar Union Elementary School District / 43,248 |
| 477. | 45.8 | Santee Elementary School District / 58,990 |
| 477. | 45.8 | Solana Beach Elementary School District / 39,915 |
| 482. | 45.7 | Galt Joint Union High School District / 37,524 |
| 483. | 45.6 | Jefferson Elementary School District / 15,572 |
| 483. | 45.6 | Gorman Elementary School District / 111 |
| 483. | 45.6 | Trona Joint Unified School District / 1,801 |
| 486. | 45.5 | Fillmore Unified School District / 19,646 |
| 486. | 45.5 | Morgan Hill Unified School District / 61,068 |
| 486. | 45.5 | Indian Diggings Elementary School District / 118 |
| 486. | 45.5 | Arcohe Union Elementary School District / 4,471 |
| 490. | 45.5 | Thermalito Union Elementary School District / 17,795 |
| 490. | 45.5 | Oroville City Elementary School District / 22,764 |
| 490. | 45.5 | Paradise Unified School District / 39,625 |
| 490. | 45.5 | Pioneer Union Elementary School District / 1,363 |
| 490. | 45.5 | Oroville Union High School District / 53,808 |
| 490. | 45.5 | Golden Feather Union Elementary School District / 2,460 |
| 496. | 45.4 | McCabe Union Elementary School District / 7,012 |
| 496. | 45.4 | El Centro Elementary School District / 38,850 |
| 496. | 45.4 | Central Union High School District / 57,394 |
| 496. | 45.4 | Seeley Union Elementary School District / 2,436 |
| 496. | 45.4 | Death Valley Unified School District / 471 |
| 501. | 45.3 | Lemon Grove Elementary School District / 34,849 |
| 502. | 45.1 | Chula Vista Elementary School District / 292,557 |
| 503. | 45.0 | South Bay Union Elementary School District / 80,472 |
| 503. | 45.0 | Sweetwater Union High School District / 475,328 |
| 503. | 45.0 | Pioneer Union Elementary School District / 4,351 |
| 506. | 44.7 | Grossmont Union High School District / 466,270 |
| 506. | 44.7 | Cajon Valley Union Elementary School District / 166,823 |
| 508. | 44.6 | New Hope Elementary School District / 1,130 |
| 509. | 44.5 | Manton Joint Union Elementary School District / 402 |
| 509. | 44.5 | Whitmore Union Elementary School District / 846 |
| 509. | 44.5 | Black Butte Union Elementary School District / 3,986 |
| 509. | 44.5 | Ojai Unified School District / 21,920 |
| 509. | 44.5 | Bonsall Union Elementary School District / 16,165 |
| 509. | 44.5 | Fallbrook Union High School District / 80,574 |
| 509. | 44.5 | Vallecitos Elementary School District / 1,996 |
| 516. | 44.2 | San Juan Unified School District / 327,851 |
| 516. | 44.2 | Placer Union High School District / 89,490 |
| 516. | 44.2 | Calipatria Unified School District / 12,196 |
| 516. | 44.2 | Palermo Union Elementary School District / 7,779 |
| 520. | 44.1 | Folsom-Cordova Unified School District / 124,193 |
| 520. | 44.1 | Pleasant Ridge Union Elementary School District / 20,374 |
| 520. | 44.1 | Colfax Elementary School District / 5,793 |
| 520. | 44.1 | Foresthill Union Elementary School District / 5,878 |
| 520. | 44.1 | Chicago Park Elementary School District / 1,302 |
| 525. | 44.0 | Lodi Unified School District / 169,048 |
| 525. | 44.0 | Panoche Elementary School District / 134 |
| 527. | 43.9 | Amador County Unified School District / 37,159 |
| 527. | 43.9 | Mineral Elementary School District / 161 |
| 529. | 43.8 | Twin Rivers Unified School District / 159,155 |
| 529. | 43.8 | Twin Rivers Unified School District in Robla / 20,703 |
| 529. | 43.8 | Robla Elementary School District / 20,703 |
| 529. | 43.8 | Knightsen Elementary School District / 2,603 |
| 529. | 43.8 | Western Placer Unified School District / 51,543 |
| 534. | 43.7 | Lake Tahoe Unified School District / 28,631 |
| 535. | 43.5 | Eureka Union Elementary School District / 27,559 |
| 535. | 43.5 | Chico Unified School District / 108,355 |
| 535. | 43.5 | Durham Unified School District / 4,889 |
| 538. | 43.3 | Shandon Joint Unified School District / 1,896 |
| 539. | 43.2 | Sacramento City Unified School District / 328,696 |
| 539. | 43.2 | Loomis Union Elementary School District / 22,475 |
| 539. | 43.2 | Plaza Elementary School District / 291 |
| 539. | 43.2 | Lake Elementary School District / 509 |
| 539. | 43.2 | Capay Joint Union Elementary School District / 1,046 |
| 539. | 43.2 | Hamilton Union Elementary School District / 2,911 |
| 539. | 43.2 | Hamilton Union High School District / 3,462 |
| 546. | 43.1 | Byron Union Elementary School District / 15,914 |
| 546. | 43.1 | Needles Unified School District / 6,632 |
| 548. | 43.0 | Lammersville Elementary School District / 11,012 |
| 548. | 43.0 | Saratoga Union Elementary School District / 19,774 |
| 548. | 43.0 | Cupertino Union Elementary School District / 143,474 |
| 548. | 43.0 | Elk Grove Unified School District / 326,226 |
| 548. | 43.0 | Mupu Elementary School District / 1,029 |
| 548. | 43.0 | Moreland Elementary School District / 49,281 |
| 548. | 43.0 | Mountain House Elementary School District / 212 |
| 555. | 42.9 | Roseville Joint Union High School District / 169,832 |
| 555. | 42.9 | Los Gatos-Saratoga Joint Union School District / 55,165 |
| 555. | 42.9 | Rocklin Unified School District / 58,954 |
| 555. | 42.9 | Roseville City Elementary School District / 89,049 |
| 559. | 42.8 | Fremont Union High School District / 232,582 |
| 559. | 42.8 | Berryessa Union Elementary School District / 83,552 |
| 559. | 42.8 | Orchard Elementary School District / 18,109 |
| 559. | 42.8 | Santa Clara Unified School District / 148,885 |
| 559. | 42.8 | Campbell Union Elementary School District / 98,544 |
| 559. | 42.8 | Campbell Union High School District / 226,780 |
| 559. | 42.8 | Luther Burbank Elementary School District / 4,306 |
| 559. | 42.8 | Sierra-Plumas Joint Unified School District / 3,174 |
| 567. | 42.7 | Cambrian Elementary School District / 30,026 |
| 567. | 42.7 | San Jose Unified School District / 263,681 |
| 567. | 42.7 | East Side Union High School District / 537,493 |
| 567. | 42.7 | Evergreen Elementary School District / 103,353 |
| 567. | 42.7 | Union Elementary School District / 44,623 |
| 567. | 42.7 | Franklin-McKinley Elementary School District / 90,120 |
| 567. | 42.7 | Kirkwood Elementary School District / 318 |
| 567. | 42.7 | Elverta Joint Elementary School District / 3,324 |
| 567. | 42.7 | Alum Rock Union Elementary School District / 111,398 |
| 567. | 42.7 | Oak Run Elementary School District / 565 |
| 567. | 42.7 | Mount Pleasant Elementary School District / 22,947 |
| 567. | 42.7 | Twin Rivers Unified School District in Elverta / 3,324 |
| 567. | 42.7 | Oak Grove Elementary School District / 108,014 |
| 567. | 42.7 | Los Gatos Union Elementary School District / 28,815 |
| 567. | 42.7 | Mountain Union Elementary School District / 1,209 |
| 582. | 42.6 | Coronado Unified School District / 25,123 |
| 582. | 42.6 | National Elementary School District / 58,053 |
| 582. | 42.6 | Fort Sage Unified School District / 3,178 |
| 585. | 42.5 | Orland Joint Unified School District / 12,854 |
| 586. | 42.4 | Elkins Elementary School District / 199 |
| 586. | 42.4 | San Diego City Unified School District / 1,038,456 |
| 586. | 42.4 | Westwood Unified School District / 1,701 |
| 589. | 42.3 | Richfield Elementary School District / 1,230 |
| 589. | 42.3 | Natomas Unified School District / 73,273 |
| 589. | 42.3 | Los Molinos Unified School District / 3,508 |
| 589. | 42.3 | Gerber Union Elementary School District / 3,726 |
| 593. | 42.2 | Santa Clara Elementary School District / 137 |
| 593. | 42.2 | Ravendale-Termo Elementary School District / 119 |
| 595. | 42.1 | Dry Creek Joint Elementary School District / 53,224 |
| 595. | 42.1 | Center Joint Unified School District / 28,098 |
| 597. | 41.9 | Washington Unified School District / 49,946 |
| 597. | 41.9 | Gilroy Unified School District / 60,101 |
| 599. | 41.8 | Corning Union High School District / 17,016 |
| 600. | 41.7 | Janesville Union Elementary School District / 3,515 |
| 600. | 41.7 | Mountain Empire Unified School District / 10,652 |
| 600. | 41.7 | Fall River Joint Unified School District / 7,651 |
| 600. | 41.7 | Indian Springs Elementary School District / 155 |
| 600. | 41.7 | Plumas Unified School District / 19,131 |
| 600. | 41.7 | Shaffer Union Elementary School District / 9,994 |
| 606. | 41.6 | Corning Union Elementary School District / 14,544 |
| 606. | 41.6 | Somis Union Elementary School District / 3,237 |
| 608. | 41.5 | Liberty Union High School District / 110,305 |
| 608. | 41.5 | Sunnyvale Elementary School District / 89,108 |
| 608. | 41.5 | Milpitas Unified School District / 68,611 |
| 611. | 41.5 | Big Valley Joint Unified School District / 1,325 |
| 612. | 41.4 | River Delta Joint Unified School District / 15,056 |
| 612. | 41.4 | East Nicolaus Joint Union High School District / 2,714 |
| 614. | 41.3 | Richmond Elementary School District / 1,024 |
| 614. | 41.3 | Susanville Elementary School District / 10,755 |
| 614. | 41.3 | Brentwood Union Elementary School District / 56,903 |
| 614. | 41.3 | Davis Joint Unified School District / 75,668 |
| 614. | 41.3 | Oakley Union Elementary School District / 34,885 |
| 614. | 41.3 | Surprise Valley Joint Unified School District / 1,835 |
| 620. | 41.2 | Flournoy Union Elementary School District / 293 |
| 620. | 41.2 | Woodland Joint Unified School District / 62,584 |
| 620. | 41.2 | Johnstonville Elementary School District / 1,323 |
| 620. | 41.2 | Lassen Union High School District / 26,730 |
| 624. | 41.1 | Pittsburg Unified School District / 57,097 |
| 624. | 41.1 | Modoc Joint Unified School District / 6,439 |
| 626. | 40.9 | Antioch Unified School District / 110,845 |
| 626. | 40.9 | Antelope Elementary School District / 5,303 |
| 626. | 40.9 | Palo Verde Unified School District / 24,086 |
| 626. | 40.9 | Red Bluff Union Elementary School District / 19,937 |
| 626. | 40.9 | Reeds Creek Elementary School District / 1,409 |
| 631. | 40.7 | Mount Diablo Unified School District / 258,884 |
| 632. | 40.6 | Pleasant Valley Joint Union Elementary School District / 981 |
| 632. | 40.6 | San Miguel Joint Union Elementary School District / 5,978 |
| 632. | 40.6 | Bradley Union Elementary School District / 838 |
| 632. | 40.6 | Paso Robles Joint Unified School District / 41,291 |
| 632. | 40.6 | Templeton Unified School District / 10,269 |
| 637. | 40.5 | Mesa Union Elementary School District / 4,276 |
| 637. | 40.5 | Santa Paula Elementary School District / 28,138 |
| 637. | 40.5 | Briggs Elementary School District / 3,149 |
| 637. | 40.5 | Ocean View Elementary School District / 17,485 |
| 637. | 40.5 | Pleasant Valley Elementary School District / 74,799 |
| 642. | 40.4 | Martinez Unified School District / 28,877 |
| 642. | 40.4 | Ventura Unified School District / 120,616 |
| 642. | 40.4 | Travis Unified School District / 31,816 |
| 642. | 40.4 | Oxnard Union High School District / 321,283 |
| 642. | 40.4 | Rio Elementary School District / 38,431 |
| 642. | 40.4 | Oxnard Elementary School District / 127,565 |
| 642. | 40.4 | Hueneme Elementary School District / 55,490 |
| 649. | 40.2 | Carpinteria Unified School District / 18,090 |
| 649. | 40.2 | Fairfield-Suisun Unified School District / 131,391 |
| 651. | 40.0 | Anderson Union High School District / 39,665 |
| 651. | 40.0 | Millville Elementary School District / 1,853 |
| 651. | 40.0 | Cascade Union Elementary School District / 14,604 |
| 651. | 40.0 | Cottonwood Union Elementary School District / 10,086 |
| 651. | 40.0 | Pacheco Union Elementary School District / 8,849 |
| 651. | 40.0 | Albany City Unified School District / 19,020 |
| 651. | 40.0 | Happy Valley Union Elementary School District / 6,126 |
| 658. | 39.9 | Benicia Unified School District / 27,540 |
| 658. | 39.9 | Soledad Unified School District / 26,464 |
| 658. | 39.9 | Jefferson Elementary School District / 173 |
| 658. | 39.9 | Gonzales Unified School District / 9,375 |
| 658. | 39.9 | Santa Paula Union High School District / 31,924 |
| 658. | 39.9 | Mission Union Elementary School District / 301 |
| 658. | 39.9 | Willow Grove Union Elementary School District / 250 |
| 665. | 39.8 | Loma Prieta Joint Union Elementary School District / 3,920 |
| 665. | 39.8 | Walnut Creek Elementary School District / 49,385 |
| 665. | 39.8 | Lakeside Joint Elementary School District / 2,656 |
| 665. | 39.8 | Esparto Unified School District / 5,729 |
| 669. | 39.6 | San Ramon Valley Unified School District / 146,042 |
| 669. | 39.6 | Vallejo City Unified School District / 120,853 |
| 671. | 39.5 | Evergreen Union Elementary School District / 9,834 |
| 671. | 39.5 | Pleasant Grove Joint Union Elementary School District / 867 |
| 671. | 39.5 | Marcum-Illinois Union Elementary School District / 917 |
| 671. | 39.5 | Dixie Elementary School District / 21,972 |
| 675. | 39.5 | Princeton Joint Unified School District / 1,239 |
| 675. | 39.5 | Scotts Valley Unified School District / 17,535 |
| 675. | 39.5 | Cold Spring Elementary School District / 3,473 |
| 675. | 39.5 | Happy Valley Elementary School District / 1,496 |
| 675. | 39.5 | Bella Vista Elementary School District / 3,755 |
| 675. | 39.5 | Willows Unified School District / 9,285 |
| 675. | 39.5 | Gateway Unified School District / 28,594 |
| 675. | 39.5 | Santa Barbara Elementary School District / 83,498 |
| 683. | 39.4 | West Contra Costa Unified School District / 241,831 |
| 683. | 39.4 | Pierce Joint Unified School District / 6,367 |
| 683. | 39.4 | Sunol Glen Unified School District / 989 |
| 683. | 39.4 | Colusa Unified School District / 7,951 |
| 683. | 39.4 | Williams Unified School District / 5,977 |
| 683. | 39.4 | Lafayette Elementary School District / 27,745 |
| 689. | 39.3 | San Rafael City High School District / 77,255 |
| 689. | 39.3 | Mill Valley Elementary School District / 31,133 |
| 689. | 39.3 | Reed Union Elementary School District / 13,596 |
| 689. | 39.3 | Ross Valley Elementary School District / 23,973 |
| 689. | 39.3 | Emery Unified School District / 10,497 |
| 689. | 39.3 | Tamalpais Union High School District / 114,934 |
| 689. | 39.3 | Ross Elementary School District / 2,502 |
| 689. | 39.3 | Berkeley Unified School District / 115,570 |
| 689. | 39.3 | San Rafael City Elementary School District / 55,283 |
| 689. | 39.3 | Kentfield Elementary School District / 11,874 |
| 689. | 39.3 | Napa Valley Unified School District / 117,280 |
| 689. | 39.3 | Larkspur Elementary School District / 14,173 |
| 689. | 39.3 | Pleasanton Unified School District / 73,602 |
| 689. | 39.3 | Dublin Unified School District / 47,748 |
| 703. | 39.2 | Sausalito Elementary School District / 10,913 |
| 703. | 39.2 | Dixon Unified School District / 22,194 |
| 703. | 39.2 | John Swett Unified School District / 14,876 |
| 703. | 39.2 | Winters Joint Unified School District / 9,392 |
| 703. | 39.2 | Vacaville Unified School District / 78,090 |
| 708. | 39.1 | French Gulch-Whiskeytown Elementary School District / 529 |
| 708. | 39.1 | North Cow Creek Elementary School District / 1,514 |
| 708. | 39.1 | Shasta Union Elementary School District / 2,311 |
| 708. | 39.1 | Columbia Elementary School District / 9,631 |
| 708. | 39.1 | Goleta Union Elementary School District / 78,423 |
| 708. | 39.1 | Enterprise Elementary School District / 32,683 |
| 708. | 39.1 | Shasta Union High School District / 102,297 |
| 708. | 39.1 | Redding Elementary School District / 35,316 |
| 708. | 39.1 | Junction Elementary School District / 4,056 |
| 708. | 39.1 | Tahoe-Truckee Joint Unified School District / 30,275 |
| 718. | 39.0 | Bonny Doon Union Elementary School District / 2,994 |
| 718. | 39.0 | San Lorenzo Valley Unified School District / 24,210 |
| 718. | 39.0 | Acalanes Union High School District / 112,398 |
| 718. | 39.0 | Montecito Union Elementary School District / 6,108 |
| 722. | 38.9 | Stony Creek Joint Unified School District / 933 |
| 723. | 38.8 | Novato Unified School District / 60,309 |
| 724. | 38.7 | Grant Elementary School District / 3,157 |
| 724. | 38.7 | Igo, Ono, Platina Union Elementary School District / 731 |
| 724. | 38.7 | Livermore Valley Joint Unified School District / 88,647 |
| 727. | 38.6 | Nicasio Elementary School District / 687 |
| 727. | 38.6 | College Elementary School District / 5,872 |
| 727. | 38.6 | Browns Elementary School District / 930 |
| 727. | 38.6 | Hope Elementary School District / 15,956 |
| 727. | 38.6 | Santa Barbara High School District / 184,132 |
| 727. | 38.6 | Plumas Elementary School District / 4,183 |
| 733. | 38.5 | Yuba City Unified School District / 74,090 |
| 733. | 38.5 | Lagunitas Elementary School District / 4,154 |
| 733. | 38.5 | Bangor Union Elementary School District / 1,141 |
| 733. | 38.5 | Wheatland Elementary School District / 7,162 |
| 733. | 38.5 | Franklin Elementary School District / 2,444 |
| 733. | 38.5 | Wheatland Union High School District / 11,345 |
| 733. | 38.5 | Bolinas-Stinson Union Elementary School District / 1,929 |
| 733. | 38.5 | Marysville Joint Unified School District / 61,532 |
| 733. | 38.5 | Sutter Union High School District / 7,808 |
| 733. | 38.5 | Winship Elementary School District / 584 |
| 733. | 38.5 | Nuestro Elementary School District / 334 |
| 744. | 38.5 | Oakland Unified School District / 402,482 |
| 744. | 38.5 | Alameda City Unified School District / 75,763 |
| 744. | 38.5 | Maxwell Unified School District / 1,718 |
| 744. | 38.5 | Piedmont City Unified School District / 10,957 |
| 748. | 38.4 | La Honda-Pescadero Unified School District / 3,678 |
| 748. | 38.4 | Moraga Elementary School District / 16,762 |
| 750. | 38.3 | Canyon Elementary School District / 181 |
| 750. | 38.3 | Live Oak Elementary School District / 22,593 |
| 750. | 38.3 | Pacific Elementary School District / 654 |
| 750. | 38.3 | Santa Cruz City High School District / 93,359 |
| 750. | 38.3 | Santa Cruz City Elementary School District / 64,200 |
| 750. | 38.3 | Mountain Elementary School District / 1,422 |
| 750. | 38.3 | Soquel Elementary School District / 27,623 |
| 750. | 38.3 | Santa Cruz City High School District (9-12) in Soquel / 27,623 |
| 758. | 38.0 | Butte Valley Unified School District / 2,089 |
| 758. | 38.0 | Orinda Union Elementary School District / 18,325 |
| 760. | 37.9 | Bogus Elementary School District / 471 |
| 760. | 37.9 | Waugh Elementary School District / 6,323 |
| 760. | 37.9 | Cotati-Rohnert Park Unified School District / 52,058 |
| 760. | 37.9 | Old Adobe Union Elementary School District / 25,545 |
| 760. | 37.9 | Dunham Elementary School District / 889 |
| 760. | 37.9 | Petaluma Joint Union High School District / 75,277 |
| 760. | 37.9 | Little Shasta Elementary School District / 447 |
| 760. | 37.9 | Butteville Union Elementary School District / 1,720 |
| 760. | 37.9 | Cinnabar Elementary School District / 2,441 |
| 760. | 37.9 | Gravenstein Union Elementary School District / 5,850 |
| 760. | 37.9 | Liberty Elementary School District / 2,115 |
| 760. | 37.9 | Big Springs Union Elementary School District / 1,645 |
| 760. | 37.9 | Petaluma City Elementary School District / 32,335 |
| 773. | 37.8 | San Francisco Unified School District / 829,072 |
| 773. | 37.8 | Jefferson Elementary School District / 89,287 |
| 773. | 37.8 | Bayshore Elementary School District / 6,092 |
| 776. | 37.7 | North County Joint Union Elementary School District / 3,814 |
| 776. | 37.7 | Happy Camp Union Elementary School District / 1,296 |
| 776. | 37.7 | Tres Pinos Union Elementary School District / 798 |
| 776. | 37.7 | Two Rock Union Elementary School District / 1,813 |
| 776. | 37.7 | Union Joint Elementary School District / 74 |
| 776. | 37.7 | Wilmar Union Elementary School District / 3,125 |
| 776. | 37.7 | Shoreline Unified School District / 5,425 |
| 776. | 37.7 | Castle Rock Union Elementary School District / 341 |
| 776. | 37.7 | Lincoln Elementary School District / 153 |
| 776. | 37.7 | Laguna Joint Elementary School District / 464 |
| 786. | 37.6 | Kenwood Elementary School District / 4,041 |
| 786. | 37.6 | Sonoma Valley Unified School District / 42,427 |
| 788. | 37.5 | Atascadero Unified School District / 36,499 |
| 788. | 37.5 | Weed Union Elementary School District / 3,839 |
| 790. | 37.5 | Gazelle Union Elementary School District / 324 |
| 790. | 37.5 | Klamath River Union Elementary School District / 514 |
| 790. | 37.5 | Grenada Elementary School District / 1,076 |
| 790. | 37.5 | Douglas City Elementary School District / 847 |
| 790. | 37.5 | Delphic Elementary School District / 81 |
| 790. | 37.5 | Montague Elementary School District / 2,229 |
| 790. | 37.5 | Lewiston Elementary School District / 1,968 |
| 790. | 37.5 | Junction City Elementary School District / 977 |
| 790. | 37.5 | Trinity Center Elementary School District / 413 |
| 790. | 37.5 | Willow Creek Elementary School District / 633 |
| 790. | 37.5 | Seiad Elementary School District / 321 |
| 790. | 37.5 | Scott Valley Unified School District / 5,119 |
| 790. | 37.5 | Trinity Alps Unified School District in Junction City / 977 |
| 790. | 37.5 | Yreka Union High School District / 17,741 |
| 790. | 37.5 | Trinity Alps Unified School District in Lewiston / 1,968 |
| 790. | 37.5 | Trinity Alps Unified School District in Trinity Center / 413 |
| 790. | 37.5 | Trinity Alps Unified School District in Douglas City / 847 |
| 790. | 37.5 | Trinity Alps Unified School District / 4,025 |
| 808. | 37.4 | Yreka Union Elementary School District / 9,608 |
| 808. | 37.4 | Hornbrook Elementary School District / 713 |
| 808. | 37.4 | Los Alamos Elementary School District / 2,135 |
| 808. | 37.4 | Castro Valley Unified School District / 51,341 |
| 812. | 37.3 | Siskiyou Union High School District / 15,637 |
| 812. | 37.3 | Aromas-San Juan Unified School District / 4,154 |
| 812. | 37.3 | Hollister School District / 43,847 |
| 815. | 37.0 | Del Norte County Unified School District / 28,066 |
| 816. | 36.9 | McCloud Union Elementary School District / 1,332 |
| 817. | 36.8 | Tulelake Basin Joint Unified School District / 2,506 |
| 818. | 36.7 | Mountain Valley Unified School District / 3,069 |
| 819. | 36.5 | Trinity Alps Unified School District in Coffee Creek / 146 |
| 819. | 36.5 | Coffee Creek Elementary School District / 146 |
| 821. | 36.5 | Newark Unified School District / 43,635 |
| 821. | 36.5 | Mountain View-Los Altos Union School District / 109,580 |
| 821. | 36.5 | Dunsmuir Joint Union High School District / 2,364 |
| 821. | 36.5 | New Haven Unified School District / 76,111 |
| 821. | 36.5 | Los Altos Elementary School District / 42,311 |
| 821. | 36.5 | Fremont Unified School District / 221,654 |
| 821. | 36.5 | Mountain View Whisman Elementary School District / 67,269 |
| 821. | 36.5 | Dunsmuir Elementary School District / 2,023 |
| 829. | 36.3 | San Leandro Unified School District / 69,203 |
| 830. | 36.1 | South San Francisco Unified School District / 80,631 |
| 830. | 36.1 | Mount Shasta Union Elementary School District / 7,034 |
| 830. | 36.1 | Jefferson Union High School District / 147,284 |
| 830. | 36.1 | Brisbane Elementary School District / 8,353 |
| 834. | 35.9 | Southern Trinity Joint Unified School District / 846 |
| 835. | 35.8 | Hayward Unified School District / 171,972 |
| 835. | 35.8 | San Bruno Park Elementary School District / 37,134 |
| 835. | 35.8 | Laguna Salada Union Elementary School District / 37,980 |
| 835. | 35.8 | Millbrae Elementary School District / 25,225 |
| 839. | 35.7 | Santa Ynez Valley Union High School District / 20,599 |
| 839. | 35.7 | Solvang Elementary School District / 5,812 |
| 839. | 35.7 | Ballard Elementary School District / 1,492 |
| 839. | 35.7 | Los Olivos Elementary School District / 1,496 |
| 843. | 35.5 | San Lorenzo Unified School District / 79,982 |
| 844. | 35.5 | King City Union Elementary School District / 16,889 |
| 844. | 35.5 | San Lucas Union Elementary School District / 301 |
| 844. | 35.5 | Vista del Mar Union Elementary School District / 420 |
| 844. | 35.5 | San Antonio Union Elementary School District / 1,869 |
| 844. | 35.5 | Buellton Union Elementary School District / 5,507 |
| 844. | 35.5 | Bitterwater-Tully Union Elementary School District / 89 |
| 844. | 35.5 | Greenfield Union Elementary School District / 17,579 |
| 844. | 35.5 | San Ardo Union Elementary School District / 805 |
| 844. | 35.5 | King City Joint Union High School District / 38,370 |
| 853. | 35.3 | Woodside Elementary School District / 3,436 |
| 853. | 35.3 | Kelseyville Unified School District / 13,620 |
| 853. | 35.3 | Las Lomitas Elementary School District / 11,410 |
| 853. | 35.3 | San Carlos Elementary School District / 27,219 |
| 853. | 35.3 | Konocti Unified School District / 22,250 |
| 853. | 35.3 | Belmont-Redwood Shores Elementary School District / 41,943 |
| 853. | 35.3 | Redwood City Elementary School District / 97,537 |
| 853. | 35.3 | Ravenswood City Elementary School District / 35,240 |
| 853. | 35.3 | Portola Valley Elementary School District / 6,520 |
| 853. | 35.3 | Menlo Park City Elementary School District / 27,036 |
| 853. | 35.3 | Sequoia Union High School District / 250,341 |
| 853. | 35.3 | Palo Alto Unified School District / 81,964 |
| 865. | 35.2 | Junction Elementary School District / 95 |
| 865. | 35.2 | Lompoc Unified School District / 58,564 |
| 867. | 35.1 | Forks of Salmon Elementary School District / 242 |
| 867. | 35.1 | Scott Valley Unified School District in Forks of Salmon / 242 |
| 869. | 35.0 | San Mateo-Foster City Elementary School District / 133,264 |
| 870. | 34.8 | San Mateo Union High School District / 232,274 |
| 870. | 34.8 | Cabrillo Unified School District / 25,629 |
| 870. | 34.8 | Burlingame Elementary School District / 31,075 |
| 870. | 34.8 | Hillsborough City Elementary School District / 11,148 |
| 874. | 34.4 | Trinity Alps Unified School District in Burnt Ranch / 786 |
| 874. | 34.4 | Lucerne Elementary School District / 3,808 |
| 874. | 34.4 | Upper Lake Union Elementary School District / 4,755 |
| 874. | 34.4 | Cox Bar Elementary School District / 191 |
| 874. | 34.4 | Lakeport Unified School District / 9,911 |
| 874. | 34.4 | Trinity Alps Unified School District in Cox Bar / 191 |
| 874. | 34.4 | Burnt Ranch Elementary School District / 786 |
| 874. | 34.4 | Kashia Elementary School District / 71 |
| 874. | 34.4 | Cloverdale Unified School District / 10,634 |
| 874. | 34.4 | Upper Lake Union High School District / 8,563 |
| 884. | 34.3 | St. Helena Unified School District / 10,147 |
| 884. | 34.3 | Howell Mountain Elementary School District / 4,132 |
| 886. | 34.2 | Coast Unified School District / 7,176 |
| 886. | 34.2 | Cayucos Elementary School District / 2,628 |
| 888. | 34.1 | Pacific Unified School District / 391 |
| 889. | 34.0 | Lucia Mar Unified School District / 77,333 |
| 890. | 33.7 | Guadalupe Union Elementary School District / 7,230 |
| 891. | 33.5 | Monterey Peninsula Unified School District / 90,626 |
| 891. | 33.5 | Pacific Grove Unified School District / 18,360 |
| 891. | 33.5 | Carmel Unified School District / 22,836 |
| 891. | 33.5 | Washington Union Elementary School District / 6,271 |
| 895. | 33.5 | Point Arena Joint Union High School District / 4,733 |
| 895. | 33.5 | Arena Union Elementary School District / 2,486 |
| 895. | 33.5 | Ukiah Unified School District / 40,931 |
| 895. | 33.5 | Anderson Valley Unified School District / 2,967 |
| 899. | 33.4 | Geyserville Unified School District / 1,762 |
| 899. | 33.4 | Sebastopol Union Elementary School District / 12,316 |
| 899. | 33.4 | Piner-Olivet Union Elementary School District / 16,084 |
| 899. | 33.4 | Roseland Elementary School District / 12,127 |
| 899. | 33.4 | Rincon Valley Union Elementary School District / 38,295 |
| 899. | 33.4 | Middletown Unified School District / 9,865 |
| 899. | 33.4 | Oak Grove Union Elementary School District / 4,903 |
| 899. | 33.4 | Wright Elementary School District / 19,794 |
| 899. | 33.4 | Santa Rosa Elementary School District / 71,625 |
| 899. | 33.4 | Bellevue Union Elementary School District / 25,617 |
| 899. | 33.4 | Twin Hills Union Elementary School District / 5,726 |
| 899. | 33.4 | Santa Rosa High School District / 211,800 |
| 899. | 33.4 | Bennett Valley Union Elementary School District / 9,386 |
| 912. | 33.3 | Cienega Union Elementary School District / 243 |
| 912. | 33.3 | San Benito High School District / 51,226 |
| 912. | 33.3 | Orick Elementary School District / 300 |
| 912. | 33.3 | Southside Elementary School District / 1,967 |
| 916. | 33.1 | Gonzales Unified (9-12) School District / 2,020 |
| 916. | 33.1 | Arcata Elementary School District / 14,464 |
| 916. | 33.1 | Jacoby Creek Elementary School District / 2,847 |
| 916. | 33.1 | Chualar Union Elementary School District / 2,020 |
| 916. | 33.1 | Eureka City Unified School District / 34,993 |
| 916. | 33.1 | Lagunita Elementary School District / 314 |
| 916. | 33.1 | Santa Rita Union Elementary School District / 24,238 |
| 916. | 33.1 | Pacific Union Elementary School District / 5,155 |
| 916. | 33.1 | Freshwater Elementary School District / 2,498 |
| 916. | 33.1 | Peninsula Union Elementary School District / 508 |
| 916. | 33.1 | Salinas City Elementary School District / 78,278 |
| 916. | 33.1 | Blue Lake Union Elementary School District / 2,511 |
| 916. | 33.1 | Salinas Union High School District / 173,987 |
| 916. | 33.1 | Graves Elementary School District / 78 |
| 916. | 33.1 | Spreckels Union Elementary School District / 6,822 |
| 916. | 33.1 | Alisal Union Elementary School District / 57,986 |
| 932. | 33.0 | Maple Creek Elementary School District / 36 |
| 932. | 33.0 | Garfield Elementary School District / 379 |
| 932. | 33.0 | Kneeland Elementary School District / 387 |
| 932. | 33.0 | Bridgeville Elementary School District / 486 |
| 932. | 33.0 | Cutten Elementary School District / 5,179 |
| 932. | 33.0 | South Bay Union Elementary School District / 7,227 |
| 938. | 32.8 | Forestville Union Elementary School District / 7,143 |
| 938. | 32.8 | Calistoga Joint Unified School District / 7,309 |
| 938. | 32.8 | West Sonoma County Union High School District / 47,974 |
| 938. | 32.8 | Windsor Unified School District / 29,475 |
| 938. | 32.8 | Mark West Union Elementary School District / 14,831 |
| 938. | 32.8 | Harmony Union Elementary School District / 4,466 |
| 944. | 32.7 | San Luis Coastal Unified School District / 90,461 |
| 945. | 32.5 | Horicon Elementary School District / 1,328 |
| 946. | 32.3 | North Monterey County Unified School District / 26,775 |
| 946. | 32.3 | Pajaro Valley Joint Unified School District / 116,358 |
| 946. | 32.3 | Pope Valley Union Elementary School District / 1,009 |
| 949. | 32.2 | Blochman Union Elementary School District / 923 |
| 950. | 32.1 | Green Point Elementary School District / 170 |
| 950. | 32.1 | Northern Humboldt Union High School District / 45,602 |
| 950. | 32.1 | Klamath-Trinity Joint Unified School District / 5,840 |
| 950. | 32.1 | McKinleyville Union Elementary School District / 16,638 |
| 950. | 32.1 | Fieldbrook Elementary School District / 838 |
| 950. | 32.1 | Trinidad Union Elementary School District / 1,683 |
| 956. | 31.9 | Big Lagoon Union Elementary School District / 452 |
| 956. | 31.9 | Santa Maria Joint Union High School District / 144,755 |
| 956. | 31.9 | Santa Maria-Bonita Elementary School District / 99,819 |
| 956. | 31.9 | Orcutt Union Elementary School District / 36,783 |
| 960. | 31.8 | Loleta Union Elementary School District / 1,306 |
| 961. | 30.5 | Guerneville Elementary School District / 4,474 |
| 961. | 30.5 | West Side Union Elementary School District / 1,114 |
| 961. | 30.5 | Healdsburg Unified School District / 15,104 |
| 961. | 30.5 | Montgomery Elementary School District / 807 |
| 961. | 30.5 | Fort Ross Elementary School District / 576 |
| 961. | 30.5 | Monte Rio Union Elementary School District / 1,713 |
| 961. | 30.5 | Alexander Valley Union Elementary School District / 830 |
| 968. | 29.4 | Potter Valley Community Unified School District / 2,612 |
| 968. | 29.4 | Manchester Union Elementary School District / 848 |
| 970. | 29.2 | Leggett Valley Unified School District / 482 |
| 971. | 29.1 | Laytonville Unified School District / 2,394 |
| 971. | 29.1 | Fort Bragg Unified School District / 14,409 |
| 971. | 29.1 | Willits Unified School District / 12,686 |
| 971. | 29.1 | Round Valley Unified School District / 2,568 |
| 971. | 29.1 | Mendocino Unified School District / 5,041 |
| 976. | 28.3 | Hydesville Elementary School District / 1,381 |
| 976. | 28.3 | Fortuna Union Elementary School District / 7,443 |
| 976. | 28.3 | Cuddeback Union Elementary School District / 958 |
| 976. | 28.3 | Scotia Union Elementary School District / 1,345 |
| 976. | 28.3 | Fortuna Union High School District / 21,848 |
| 976. | 28.3 | Ferndale Unified School District / 3,078 |
| 976. | 28.3 | Rohnerville Elementary School District / 6,053 |
| 976. | 28.3 | Rio Dell Elementary School District / 3,435 |
| 984. | 26.9 | Southern Humboldt Joint Unified School District / 7,678 |
| 984. | 26.9 | Mattole Unified School District / 602 |
Please note that we only rank locations with 'Air Quality Index' data. The rank above might not be a complete list. Locations without 'Air Quality Index' data are not listed.
