| Rank | Private High School Enrollment Percentage ▼ | School District / Population |
| 1. | 60.0% | Lick Creek Community Consolidated School District 16 / 1,080 |
| 2. | 52.2% | Nelson Public School District 8 / 391 |
| 3. | 43.9% | Thornton School District 154 / 2,883 |
| 4. | 42.4% | St. Rose School District 14-15 / 1,205 |
| 5. | 40.8% | Westchester School District 92-5 / 15,733 |
| 6. | 39.7% | Palos Heights School District 128 / 10,015 |
| 7. | 39.4% | Deer Park Community Consolidated School District 82 / 769 |
| 8. | 36.4% | Aviston School District 21 / 2,349 |
| 9. | 36.2% | Bartelso School District 57 / 1,226 |
| 10. | 35.9% | Atwood Heights School District 125 / 7,014 |
| 11. | 35.7% | Farrington Community Consolidated School District 99 / 484 |
| 12. | 35.2% | Germantown School District 60 / 1,746 |
| 13. | 32.1% | Forest Park School District 91 / 14,282 |
| 14. | 31.2% | Oak Lawn-Hometown School District 123 / 34,784 |
| 15. | 30.8% | Central Community High School District 71 / 15,724 |
| 16. | 30.4% | Butler School District 53 / 4,338 |
| 17. | 30.0% | Damiansville School District 62 / 851 |
| 18. | 29.8% | Waltham Community Consolidated School District 185 / 2,331 |
| 19. | 29.2% | Chicago Ridge School District 127-5 / 13,039 |
| 20. | 28.0% | Steeleville Community Unit School District 138 / 3,088 |
| 21. | 27.3% | Breese School District 12 / 6,993 |
| 22. | 27.3% | Carbondale Elementary School District 95 / 27,628 |
| 23. | 26.8% | River Forest School District 90 / 11,166 |
| 24. | 26.7% | Palos Community Consolidated School District 118 / 22,984 |
| 25. | 26.6% | Grayville Community Unit School District 1 / 2,269 |
| 26. | 26.3% | Lincolnwood School District 74 / 12,422 |
| 27. | 25.8% | Lindop School District 92 / 4,110 |
| 28. | 25.8% | Winfield School District 34 / 3,950 |
| 29. | 25.6% | Elmwood Park Community Unit School District 401 / 24,710 |
| 30. | 25.0% | Waterloo Community Unit School District 5 / 16,904 |
| 31. | 25.0% | Fremont School District 79 / 17,415 |
| 32. | 24.9% | Alsip-Hazelgreen-Oaklawn School District 126 / 17,235 |
| 33. | 23.6% | Creston Community Consolidated School District 161 / 1,120 |
| 34. | 23.4% | Western Springs School District 101 / 9,959 |
| 35. | 23.1% | Dalzell School District 98 / 807 |
| 36. | 23.0% | Leland Community Unit School District 1 / 1,502 |
| 37. | 22.7% | Harmony Emge School District 175 / 9,740 |
| 38. | 22.6% | Community High School District 218 / 120,793 |
| 39. | 22.5% | Waltonville Community Unit School District 1 / 2,208 |
| 40. | 22.4% | Columbia Community Unit School District 4 / 12,218 |
| 41. | 21.7% | Quincy School District 172 / 50,932 |
| 42. | 21.6% | Hinsdale Community Consolidated School District 181 / 25,590 |
| 43. | 21.5% | Grant Community Consolidated School District 110 / 7,659 |
| 44. | 21.2% | Lostant Community Unit School District 425 / 792 |
| 45. | 21.2% | Evergreen Park Community High School District 231 / 19,815 |
| 45. | 21.2% | Evergreen Park Elementary School District 124 / 19,815 |
| 47. | 21.0% | Rondout School District 72 / 1,645 |
| 48. | 20.9% | Oblong Community Unit School District 4 / 3,792 |
| 49. | 20.9% | Rock Island School District 41 / 45,098 |
| 50. | 20.8% | Riverside School District 96 / 13,570 |
| 51. | 20.8% | Carbondale Community High School District 165 / 37,283 |
| 52. | 20.6% | South Holland School District 150 / 10,074 |
| 53. | 20.4% | Elmwood Community Unit School District 322 / 3,921 |
| 54. | 20.3% | Westmont Community Unit School District 201 / 12,639 |
| 55. | 20.2% | Whiteside School District 115 / 12,809 |
| 56. | 19.8% | Hutsonville Community Unit School District 1 / 2,189 |
| 57. | 19.7% | West Harvey-Dixmoor Public School District 147 / 11,533 |
| 58. | 19.7% | Albers School District 63 / 1,354 |
| 59. | 19.6% | Montmorency Community Consolidated School District 145 / 2,524 |
| 60. | 19.5% | Pleasant Plains Community Unit School District 8 / 7,778 |
| 61. | 19.4% | Brookwood School District 167 / 10,312 |
| 62. | 18.8% | Delavan Community Unit School District 703 / 2,604 |
| 63. | 18.7% | Athens Community Unit School District 213 / 5,559 |
| 64. | 18.6% | Polo Community Unit School District 222 / 4,213 |
| 65. | 18.3% | St. Anne Consolidated Community School District 256 / 2,769 |
| 66. | 18.3% | LaSalle Elementary School District 122 / 9,271 |
| 67. | 18.2% | Wolf Branch School District 113 / 7,782 |
| 68. | 17.7% | Berwyn South School District 100 / 31,765 |
| 69. | 17.7% | Lisle Community Unit School District 202 / 13,379 |
| 70. | 17.7% | Effingham Community Unit School District 40 / 20,506 |
| 71. | 17.4% | Springfield School District 186 / 113,448 |
| 72. | 17.1% | Community Consolidated School District 146 / 25,948 |
| 73. | 17.0% | Homer Community Consolidated School District 33C / 29,362 |
| 74. | 16.9% | Erie Community Unit School District 1 / 3,891 |
| 75. | 16.7% | LaGrange School District 102 / 25,405 |
| 76. | 16.7% | Benjamin School District 25 / 6,237 |
| 76. | 16.7% | Burnham School District 154-5 / 1,539 |
| 76. | 16.7% | North Wamac School District 186 / 817 |
| 76. | 16.7% | Decatur School District 61 / 72,603 |
| 80. | 16.5% | Mundelein Consolidated High School District 120 / 41,133 |
| 81. | 16.5% | Dimmick Community Consolidated School District 175 / 1,162 |
| 82. | 16.5% | Rockford School District 205 / 194,568 |
| 83. | 16.4% | Hiawatha Community Unit School District 426 / 3,334 |
| 84. | 16.3% | Oak Lawn Community High School District 229 / 38,679 |
| 85. | 16.3% | Proviso Township High School District 209 / 126,153 |
| 86. | 16.3% | Arcola Consolidated Unit School District 306 / 4,358 |
| 87. | 16.2% | Crete-Monee Community Unit School District 201-U / 33,941 |
| 88. | 16.2% | Central Stickney School District 110 / 2,926 |
| 89. | 16.1% | Red Bud Community Unit School District 132 / 7,620 |
| 90. | 16.0% | LaSalle-Peru Township High School District 120 / 29,191 |
| 91. | 16.0% | Warren Community Unit School District 205 / 2,669 |
| 92. | 16.0% | Rockton School District 140 / 11,337 |
| 93. | 15.8% | Ridgeland School District 122 / 21,095 |
| 94. | 15.7% | Elwood Community Consolidated School District 203 / 3,243 |
| 95. | 15.7% | Bensenville School District 2 / 19,485 |
| 96. | 15.7% | Meridian Community Unit School District 15 / 6,318 |
| 97. | 15.6% | Community Unit School District 16 / 5,490 |
| 98. | 15.5% | Oak Park and River Forest District 200 / 62,592 |
| 99. | 15.5% | Peoria School District 150 / 101,590 |
| 100. | 15.5% | Cass School District 63 / 8,043 |
| 101. | 15.5% | Ball-Chatham Community Unit School District 5 / 26,074 |
| 102. | 15.3% | Channahon School District 17 / 10,195 |
| 103. | 15.2% | Peru Elementary School District 124 / 10,434 |
| 104. | 15.0% | Chester-East Lincoln Community Csd 61 / 3,298 |
| 104. | 15.0% | Grant Park Community Unit School District 6 / 3,382 |
| 106. | 15.0% | Elverado Community Unit School District 196 / 2,986 |
| 107. | 15.0% | Lemont Township High School District 210 / 24,464 |
| 108. | 15.0% | Forrestville Valley Community Unit School District 221 / 5,585 |
| 109. | 14.9% | Sandridge School District 172 / 4,410 |
| 110. | 14.8% | Belvidere Consolidated Unit School District 100 / 44,786 |
| 111. | 14.7% | Hinckley-Big Rock Community Unit School District 429 / 4,836 |
| 112. | 14.7% | Bannockburn School District 106 / 2,015 |
| 113. | 14.7% | Hinsdale Township High School District 86 / 74,746 |
| 114. | 14.6% | Steger School District 194 / 13,309 |
| 115. | 14.6% | Fairmont School District 89 / 3,432 |
| 116. | 14.6% | Elementary School District 159 / 18,755 |
| 117. | 14.4% | Lemont-Bromberek Combined School District 113A / 24,160 |
| 118. | 14.3% | Lincoln Elementary School District 156 / 7,139 |
| 119. | 14.3% | Chicago Public School District 299 / 2,703,477 |
| 120. | 14.3% | Braceville School District 75 / 1,452 |
| 121. | 14.3% | Cook County School District 130 / 29,252 |
| 122. | 14.2% | Metamora Community Consolidated School District 1 / 6,271 |
| 123. | 14.2% | Lyons Township High School District 204 / 68,205 |
| 124. | 14.2% | Consolidated High School District 230 / 152,081 |
| 124. | 14.2% | St. George Community Consolidated School District 258 / 3,237 |
| 126. | 14.2% | Shirland Community Consolidated School District 134 / 1,539 |
| 127. | 14.1% | New Simpson Hill Consolidated District 32 / 3,182 |
| 128. | 14.1% | Orland School District 135 / 53,527 |
| 129. | 14.1% | South Holland School District 151 / 13,733 |
| 130. | 14.0% | Dongola School Unit District 66 / 1,849 |
| 131. | 13.9% | Arlington Heights School District 25 / 49,788 |
| 132. | 13.9% | Signal Hill School District 181 / 3,325 |
| 133. | 13.9% | Ottawa Township High School District 140 / 31,903 |
| 134. | 13.8% | Harlem Unit School District 122 / 44,885 |
| 135. | 13.8% | Lake Villa Community Consolidated School District 41 / 22,475 |
| 136. | 13.8% | Ottawa Elementary School District 141 / 20,036 |
| 137. | 13.7% | Venice Community Unit School District 3 / 844 |
| 138. | 13.6% | Milford Community Consolidated School District 280 / 3,802 |
| 138. | 13.6% | Milford Township High School District 233 / 3,802 |
| 140. | 13.6% | Flossmoor School District 161 / 22,229 |
| 141. | 13.3% | Kankakee School District 111 / 33,072 |
| 142. | 13.2% | Putnam County Community Unit School District 535 / 5,397 |
| 143. | 13.2% | Glen Ellyn School District 41 / 29,865 |
| 143. | 13.2% | Matteson Elementary School District 162 / 24,435 |
| 145. | 13.2% | Bradley School District 61 / 12,367 |
| 146. | 13.1% | Riverside Brookfield Township School District 208 / 28,767 |
| 147. | 13.0% | Aurora West Unit School District 129 / 77,301 |
| 148. | 13.0% | Maywood-Melrose Park-Broadview School District 89 / 44,278 |
| 149. | 12.9% | Lockport Township High School District 205 / 74,398 |
| 150. | 12.9% | Sunnybrook School District 171 / 10,756 |
| 151. | 12.8% | Berkeley School District 87 / 21,730 |
| 152. | 12.8% | Bradley-Bourbonnais Consolidated High School District 307 / 38,851 |
| 152. | 12.8% | Plano Community Unit School District 88 / 9,943 |
| 154. | 12.8% | Oak Park Elementary School District 97 / 51,426 |
| 155. | 12.8% | Belleville Township High School District 201 / 107,228 |
| 156. | 12.8% | Paxton-Buckley-Loda Community Unit School District 10 / 8,694 |
| 157. | 12.8% | Fenton Community High School District 100 / 29,893 |
| 157. | 12.8% | Kaneland Community Unit School District 302 / 25,110 |
| 159. | 12.8% | New Athens Community Unit School District 60 / 4,371 |
| 160. | 12.7% | Kenilworth School District 38 / 2,970 |
| 161. | 12.7% | Norridge School District 80 / 12,811 |
| 162. | 12.6% | Carrier Mills-Stonefort Community Unit School District / 2,841 |
| 163. | 12.6% | Villa Park School District 45 / 35,059 |
| 164. | 12.5% | Mulberry Grove Community Unit School District 1 / 2,221 |
| 164. | 12.5% | Valmeyer Community Unit School District 3 / 2,938 |
| 164. | 12.5% | Wallace Community Consolidated School District 195 / 2,572 |
| 164. | 12.5% | Bourbonnais School District 53 / 23,247 |
| 168. | 12.5% | Hononegah Community High School District 207 / 31,142 |
| 169. | 12.4% | Richland School District 88A / 10,559 |
| 170. | 12.4% | Grand Ridge Community Consolidated School District 95 / 2,455 |
| 171. | 12.4% | Lee Center Community Unit School District 271 / 1,638 |
| 172. | 12.4% | Bellwood School District 88 / 23,181 |
| 173. | 12.3% | Lake Forest School District 67 / 19,190 |
| 174. | 12.3% | West Prairie Community Unit School District 103 / 4,657 |
| 175. | 12.3% | Homewood-Flossmoor Community High School District 233 / 38,387 |
| 176. | 12.3% | Community High School District 94 / 40,762 |
| 176. | 12.3% | Community Unit School District 200 / 78,853 |
| 176. | 12.3% | Bartonville School District 66 / 2,112 |
| 179. | 12.2% | Peoria Heights Community Unit School District 325 / 7,512 |
| 180. | 12.2% | Bloom Township High School District 206 / 64,197 |
| 181. | 12.1% | Ludlow Community Consolidated School District 142 / 1,109 |
| 182. | 12.0% | Downers Grove Grade School District 58 / 52,817 |
| 183. | 12.0% | Triad Community Unit School District 2 / 20,518 |
| 184. | 11.9% | Mundelein Elementary School District 75 / 15,441 |
| 185. | 11.9% | Beach Park Community Consolidated School District 3 / 20,497 |
| 186. | 11.9% | East Coloma School District 12 / 2,491 |
| 187. | 11.8% | Chicago Heights School District 170 / 24,842 |
| 188. | 11.7% | Flanagan-Cornell District 74 / 1,704 |
| 189. | 11.7% | Murphysboro Community Unit School District 186 / 15,300 |
| 190. | 11.6% | Illinois Valley Central Unit School District 321 / 13,582 |
| 190. | 11.6% | Reavis Township High School District 220 / 32,530 |
| 192. | 11.6% | Harvard Community Unit School District 50 / 13,421 |
| 193. | 11.6% | Bloomington School District 87 / 44,792 |
| 194. | 11.5% | Crab Orchard Community Unit School District 3 / 2,359 |
| 194. | 11.5% | Winnebago Community Unit School District 323 / 7,718 |
| 196. | 11.5% | Alton Community Unit School District 11 / 49,040 |
| 197. | 11.5% | Batavia Unit School District 101 / 31,902 |
| 198. | 11.4% | Prospect Heights School District 23 / 18,120 |
| 199. | 11.4% | Wilmette School District 39 / 26,126 |
| 200. | 11.3% | Park Ridge Consolidated Community School District 64 / 40,199 |
| 201. | 11.3% | McLean County Unit School District 5 / 91,069 |
| 202. | 11.3% | Miller Township Community Consolidated School District / 2,298 |
| 203. | 11.2% | Woodstock Community Unit School District 200 / 37,718 |
| 204. | 11.2% | Rich Township High School District 227 / 67,082 |
| 204. | 11.2% | Big Hollow School District 38 / 13,777 |
| 206. | 11.1% | Burbank School District 111 / 29,604 |
| 207. | 11.1% | Central Community Unit School District 4 / 6,939 |
| 208. | 11.1% | Central Community Unit School District 301 / 17,009 |
| 209. | 11.0% | Lansing School District 158 / 22,671 |
| 210. | 11.0% | Rock Falls Township High School District 301 / 14,610 |
| 211. | 10.9% | Odell Community Consolidated School District 435 / 1,462 |
| 212. | 10.9% | Kirby School District 140 / 34,807 |
| 213. | 10.9% | Thornton Township High School District 205 / 116,702 |
| 214. | 10.8% | St. Elmo Community Unit School District 202 / 3,244 |
| 215. | 10.8% | St. Anne Community High School District 302 / 4,606 |
| 215. | 10.8% | Prairie Hill Community Consolidated School District 133 / 4,770 |
| 217. | 10.8% | DeLand-Weldon Community Unit School District 57 / 1,400 |
| 217. | 10.8% | Prophetstown-Lyndon-Tampico Community Unit School District 3 / 5,905 |
| 219. | 10.7% | Chaney-Monge School District 88 / 6,168 |
| 220. | 10.7% | Carmi-White County Community Unit School District 5 / 9,473 |
| 221. | 10.7% | Riverview Consolidated Community School District 2 / 2,875 |
| 222. | 10.6% | East Maine School District 63 / 45,409 |
| 223. | 10.6% | Union School District 81 / 1,597 |
| 224. | 10.6% | Dixon Unit School District 170 / 22,961 |
| 225. | 10.5% | Homewood School District 153 / 15,669 |
| 226. | 10.5% | Riverdale Community Unit School District 100 / 6,535 |
| 226. | 10.5% | Woodland Community Consolidated School District 50 / 51,177 |
| 228. | 10.4% | Millburn Community Consolidated School District 24 / 8,993 |
| 229. | 10.4% | Libertyville School District 70 / 18,897 |
| 229. | 10.4% | Arbor Park School District 145 / 12,424 |
| 231. | 10.4% | North Palos School District 117 / 27,944 |
| 232. | 10.4% | Belleville School District 118 / 37,204 |
| 233. | 10.3% | Lake Forest Community High School District 115 / 27,343 |
| 234. | 10.3% | Bradford Community Unit School District 1 / 1,752 |
| 235. | 10.3% | Sangamon Valley Community Unit School District 9 / 4,022 |
| 236. | 10.3% | Cairo Community Unit School District 1 / 3,096 |
| 236. | 10.3% | Bloomingdale School District 13 / 13,507 |
| 238. | 10.2% | Laraway Community Consolidated School District 70C / 3,393 |
| 239. | 10.2% | Princeville Community Unit School District 326 / 4,530 |
| 240. | 10.2% | Rockridge Community Unit School District 300 / 7,181 |
| 240. | 10.2% | Hawthorn Community Consolidated School District 73 / 29,745 |
| 242. | 10.1% | Rutland Community Consolidated School District 230 / 865 |
| 243. | 10.1% | East Dubuque Community Unit School District 119 / 4,325 |
| 244. | 10.0% | North Chicago School District 187 / 31,655 |
| 245. | 10.0% | Elmhurst School District 205 / 46,303 |
| 245. | 10.0% | LaGrange Highlands School District 106 / 8,855 |
| 247. | 10.0% | Yorkville Community Unit School District 115 / 26,231 |
| 248. | 9.9% | Gower School District 62 / 9,559 |
| 249. | 9.8% | Newark Community Consolidated School District 66 / 2,235 |
| 249. | 9.8% | Troy Community Consolidated School District 30C / 36,322 |
| 251. | 9.8% | Trico Community Unit School District 176 / 6,891 |
| 252. | 9.8% | Maine Township High School District 207 / 143,019 |
| 253. | 9.8% | Wayne City Community Unit School District 100 / 3,129 |
| 254. | 9.8% | Kinnikinnick Community Consolidated School District 131 / 13,496 |
| 255. | 9.7% | Saratoga Community Consolidated School District 60C / 5,754 |
| 256. | 9.7% | Mercer County School District 404 / 8,819 |
| 256. | 9.7% | West Chicago School District 33 / 30,575 |
| 258. | 9.7% | Warren Township High School District 121 / 67,701 |
| 259. | 9.6% | Brookfield School District 95 / 10,919 |
| 259. | 9.6% | Joliet Township High School District 204 / 129,911 |
| 261. | 9.6% | Chadwick-Milledgeville Community Unit School District 399 / 3,513 |
| 262. | 9.6% | Indian Creek Community Unit District 425 / 4,934 |
| 263. | 9.6% | Illini Bluffs Community Unit School District 327 / 5,538 |
| 264. | 9.5% | McHenry Community Consolidated School District 15 / 42,090 |
| 265. | 9.5% | Geff Community Consolidated School District 14 / 975 |
| 265. | 9.5% | Nauvoo-Colusa Community Unit School District 325 / 1,937 |
| 267. | 9.5% | Iroquois West Community Unit School District 10 / 5,709 |
| 268. | 9.5% | Heyworth Community Unit School District 4 / 4,917 |
| 269. | 9.5% | Joliet Public School District 86 / 86,698 |
| 270. | 9.4% | Naperville Community Unit District 203 / 94,500 |
| 271. | 9.4% | Wauconda Community Unit School District 118 / 26,822 |
| 272. | 9.4% | Skokie-Fairview School District 72 / 6,609 |
| 273. | 9.4% | Will County School District 92 / 14,473 |
| 274. | 9.4% | Moline Unit School District 40 / 48,527 |
| 274. | 9.4% | Creve Coeur School District 76 / 5,909 |
| 276. | 9.4% | Indian Springs School District 109 / 23,923 |
| 277. | 9.3% | Evanston Township High School District 202 / 81,872 |
| 277. | 9.3% | Evanston Community Consolidated School District 65 / 81,872 |
| 277. | 9.3% | Minooka Community High School District 111 / 35,370 |
| 280. | 9.3% | Lawrence County Community Unit District 20 / 8,771 |
| 281. | 9.3% | Dolton School District 149 / 27,594 |
| 282. | 9.3% | Herscher Community Unit School District 2 / 10,616 |
| 283. | 9.2% | Pleasantdale School District 107 / 8,200 |
| 284. | 9.2% | Mount Zion Community Unit School District 3 / 11,951 |
| 285. | 9.2% | Oglesby Elementary School District 125 / 4,625 |
| 286. | 9.2% | Name N/A / 4,750,332 |
| 286. | 9.2% | Glenview Community Consolidated School District 34 / 39,322 |
| 288. | 9.2% | Madison Community Unit School District 12 / 4,929 |
| 289. | 9.2% | Community High School District 99 / 108,862 |
| 290. | 9.1% | New Trier Township High School District 203 / 59,234 |
| 290. | 9.1% | DuPage High School District 88 / 81,353 |
| 292. | 9.1% | River Trails School District 26 / 15,926 |
| 293. | 9.1% | Freeport School District 145 / 30,696 |
| 294. | 9.1% | Fieldcrest Community Unit School District 6 / 7,397 |
| 295. | 9.0% | Eureka Community Unit District 140 / 9,638 |
| 296. | 9.0% | Glen Ellyn Community Consolidated School District 89 / 21,433 |
| 297. | 8.9% | Farmington Central Community Unit School District 265 / 8,099 |
| 298. | 8.9% | Marquardt School District 15 / 26,435 |
| 299. | 8.9% | Collinsville Community Unit School District 10 / 47,733 |
| 300. | 8.9% | McHenry Community High School District 156 / 45,205 |
| 301. | 8.9% | Sterling Community Unit District 5 / 21,736 |
| 302. | 8.9% | Dolton School District 148 / 23,169 |
| 302. | 8.9% | Triopia Community Unit School District 27 / 2,329 |
| 304. | 8.8% | Park Forest School District 163 / 15,864 |
| 305. | 8.8% | Dupo Community Unit School District 196 / 7,368 |
| 306. | 8.8% | Salt Creek School District 48 / 9,136 |
| 306. | 8.8% | Niles Township Community High School District 219 / 94,155 |
| 308. | 8.7% | El Paso-Gridley Community Unit School District 11 / 6,677 |
| 308. | 8.7% | St. Charles Community Unit School District 303 / 66,890 |
| 308. | 8.7% | Community Unit School District 300 / 107,834 |
| 311. | 8.7% | Thornton Fractional Township High School District 215 / 59,426 |
| 312. | 8.6% | Oakland Community Unit School District 5 / 2,097 |
| 313. | 8.6% | Manteno Community Unit School District 5 / 12,119 |
| 314. | 8.6% | Vienna High School District 133 / 9,730 |
| 315. | 8.6% | Warrensburg-Latham Community Unit District 11 / 6,374 |
| 316. | 8.6% | Payson Community Unit School District 1 / 3,569 |
| 317. | 8.5% | Oakdale Community Consolidated School District 1 / 783 |
| 318. | 8.5% | Salem School District 111 / 8,760 |
| 319. | 8.5% | New Lenox School District 122 / 38,008 |
| 320. | 8.5% | Rankin Community School District 98 / 3,709 |
| 321. | 8.5% | Maroa-Forsyth Community Unit School District 2 / 6,762 |
| 322. | 8.5% | Prairieview-Ogden Community Consolidated School District 197 / 2,332 |
| 323. | 8.5% | Libertyville Community High School District 128 / 50,156 |
| 324. | 8.4% | LaGrange School District 105 / 12,064 |
| 325. | 8.3% | Keeneyville School District 20 / 13,914 |
| 326. | 8.3% | Skokie School District 68 / 19,918 |
| 327. | 8.2% | Winnetka School District 36 / 11,688 |
| 328. | 8.2% | Virginia Community Unit School District 64 / 2,389 |
| 329. | 8.2% | Lockport School District 91 / 6,655 |
| 330. | 8.2% | Webber Township High School District 204 / 3,025 |
| 331. | 8.2% | Calhoun Community Unit School District 40 / 3,248 |
| 331. | 8.2% | Metamora Township High School District 122 / 15,545 |
| 333. | 8.1% | Edwards County Community Unit School District 1 / 5,705 |
| 334. | 8.1% | Stark County Community Unit School District 100 / 4,935 |
| 335. | 8.1% | Pecatonica Community Unit School District 321 / 5,293 |
| 336. | 8.1% | Depue Community Unit School District 103 / 2,199 |
| 337. | 8.0% | Momence Community Unit School District 1 / 7,289 |
| 338. | 8.0% | Ridgewood Community High School District 234 / 19,068 |
| 339. | 7.9% | Glenbard Township High School District 87 / 164,804 |
| 340. | 7.8% | Allen Township Community Consolidated School District 65 / 992 |
| 341. | 7.8% | Bunker Hill Community Unit School District 8 / 4,318 |
| 342. | 7.8% | Havana Community Unit School District 126 / 6,532 |
| 343. | 7.8% | Tremont Community Unit School District 702 / 4,830 |
| 344. | 7.8% | Paris-Union School District 95 / 8,539 |
| 345. | 7.7% | Zion-Benton Township High School District 126 / 44,495 |
| 346. | 7.7% | Geneva Community Unit School District 304 / 28,498 |
| 347. | 7.7% | De Soto Consolidated School District 86 / 1,860 |
| 348. | 7.7% | Arthur Community Unit School District 305 / 6,064 |
| 349. | 7.6% | DeKalb Community Unit School District 428 / 51,421 |
| 350. | 7.6% | Waukegan Community Unit School District 60 / 84,428 |
| 351. | 7.6% | United Community School District 304 / 6,514 |
| 352. | 7.6% | Marseilles Elementary School District 150 / 4,591 |
| 353. | 7.6% | Schiller Park School District 81 / 12,817 |
| 354. | 7.5% | Queen Bee School District 16 / 17,414 |
| 355. | 7.5% | Avoca School District 37 / 5,979 |
| 356. | 7.4% | Wabash Community Unit School District 348 / 11,051 |
| 357. | 7.4% | Argo Community High School District 217 / 39,269 |
| 358. | 7.4% | Robein School District 85 / 2,089 |
| 358. | 7.4% | J. Sterling Morton High School District 201 / 157,034 |
| 360. | 7.4% | Jacksonville School District 117 / 29,109 |
| 361. | 7.4% | Illini Central Community Unit School District 189 / 5,118 |
| 361. | 7.4% | Grant Community High School District 124 / 35,277 |
| 363. | 7.3% | Brownstown Community Unit School District 201 / 2,435 |
| 364. | 7.3% | East Peoria Community High School District 309 / 26,308 |
| 365. | 7.3% | Emmons School District 33 / 3,470 |
| 366. | 7.2% | Lake Park Community High School District 108 / 50,556 |
| 367. | 7.2% | Fairfield Public School District 112 / 6,177 |
| 368. | 7.2% | Midlothian School District 143 / 14,884 |
| 369. | 7.1% | Spring Lake Community Consolidated School District 606 / 775 |
| 369. | 7.1% | Champaign Community Unit School District 4 / 91,656 |
| 371. | 7.1% | Argenta-Oreana Community Unit School District 1 / 4,371 |
| 371. | 7.1% | Vienna School District 55 / 5,124 |
| 373. | 7.1% | Lyons School District 103 / 22,451 |
| 374. | 7.1% | Antioch Community High School District 117 / 43,455 |
| 375. | 7.1% | Medinah School District 11 / 6,821 |
| 376. | 7.1% | Deerfield School District 109 / 21,058 |
| 377. | 7.0% | Woodridge School District 68 / 32,135 |
| 378. | 7.0% | Indian Prairie Community Unit School District 204 / 125,546 |
| 379. | 6.9% | Hardin County Community Unit School District 1 / 4,402 |
| 379. | 6.9% | Northfield Township High School District 225 / 84,738 |
| 381. | 6.9% | Mokena School District 159 / 17,461 |
| 382. | 6.9% | Pearl City Community Unit School District 200 / 3,020 |
| 382. | 6.9% | Carthage Elementary School District 317 / 4,279 |
| 384. | 6.8% | Des Plaines Community Consolidated School District 62 / 51,568 |
| 384. | 6.8% | Valley View Community Unit School District 365U / 91,548 |
| 386. | 6.8% | Alden-Hebron School District 19 / 2,888 |
| 387. | 6.7% | Edwardsville Community Unit School District 7 / 50,001 |
| 388. | 6.7% | Huntley Consolidated School District 158 / 39,083 |
| 389. | 6.7% | Rantoul City School District 137 / 12,268 |
| 390. | 6.7% | Round Lake Community Unit School District 116 / 35,961 |
| 391. | 6.6% | Sherrard Community Unit School District 200 / 9,197 |
| 392. | 6.6% | Gardner-South Wilmington Township High School District / 3,793 |
| 393. | 6.6% | Rockdale School District 84 / 2,132 |
| 394. | 6.6% | Spoon River Valley Community Unit School District 4 / 2,187 |
| 395. | 6.5% | Paris Community Unit School District 4 / 4,467 |
| 396. | 6.5% | Dodds Community Consolidated School District 7 / 1,517 |
| 397. | 6.5% | Vandalia Community Unit School District 203 / 10,591 |
| 397. | 6.5% | Olympia Community Unit School District 16 / 11,910 |
| 399. | 6.4% | Wood Dale School District 7 / 10,408 |
| 400. | 6.4% | Bethalto Consolidated Unit School District 8 / 16,147 |
| 401. | 6.3% | Fairfield Community High School District 225 / 10,396 |
| 401. | 6.3% | Lake Zurich Community Unit School District 95 / 31,304 |
| 403. | 6.3% | Williamsville Community Unit School District 15 / 7,209 |
| 404. | 6.3% | Massac Unit School District 1 / 13,835 |
| 405. | 6.3% | Carlinville Community Unit School District 1 / 9,101 |
| 406. | 6.3% | Mendota Township High School District 280 / 10,471 |
| 406. | 6.3% | Mendota Community Consolidated School District 289 / 10,443 |
| 408. | 6.3% | Township High School District 214 / 250,143 |
| 409. | 6.2% | Newark Community High School District 18 / 3,320 |
| 409. | 6.2% | Gurnee School District 56 / 17,153 |
| 411. | 6.2% | Bremen Community High School District 228 / 93,470 |
| 412. | 6.1% | East Peoria School District 86 / 18,734 |
| 412. | 6.1% | Barrington Community Unit School District 220 / 44,855 |
| 414. | 6.1% | Danville Community Consolidated School District 118 / 40,476 |
| 415. | 6.1% | School District U-46 / 227,274 |
| 416. | 6.1% | Northbrook School District 28 / 13,508 |
| 417. | 6.1% | Northbrook/Glenview School District 30 / 10,790 |
| 418. | 6.1% | Chester Non-High School District 122 / 868 |
| 418. | 6.1% | Prairie du Rocher Community Consolidated School District 134 / 868 |
| 418. | 6.1% | Waverly Community Unit School District 6 / 1,720 |
| 421. | 6.1% | North Pekin-Marquette Heights School District 102 / 5,168 |
| 422. | 6.0% | Mahomet-Seymour Community Unit School District 3 / 13,793 |
| 423. | 6.0% | Glencoe School District 35 / 8,430 |
| 424. | 6.0% | Field Community Consolidated School District 3 / 2,619 |
| 425. | 6.0% | Morris Community High School District 101 / 18,658 |
| 426. | 6.0% | Carlyle Community Unit School District 1 / 10,418 |
| 426. | 6.0% | Durand Community Unit School District 322 / 3,924 |
| 426. | 6.0% | Community Consolidated School District 180 / 6,550 |
| 426. | 6.0% | Wethersfield Community Unit School District 230 / 3,952 |
| 430. | 5.9% | Calumet Public School District 132 / 11,474 |
| 430. | 5.9% | Lincoln Way Community High School District 210 / 103,065 |
| 432. | 5.9% | Morton Grove School District 70 / 8,702 |
| 432. | 5.9% | Harvey School District 152 / 16,264 |
| 434. | 5.9% | Oak Grove School District 68 / 7,475 |
| 435. | 5.9% | Nokomis Community Unit School District 22 / 4,731 |
| 435. | 5.9% | Itasca School District 10 / 8,983 |
| 435. | 5.9% | St. Joseph-Ogden Community High School District 305 / 7,927 |
| 438. | 5.9% | Rock Falls Elementary School District 13 / 7,965 |
| 438. | 5.9% | Plainfield School District 202 / 112,788 |
| 440. | 5.9% | Pekin Public School District108 / 33,703 |
| 441. | 5.8% | Winthrop Harbor School District 1 / 6,638 |
| 441. | 5.8% | East Moline School District 37 / 26,788 |
| 441. | 5.8% | Norris City-Omaha-Enfield Community Unit School District 3 / 4,437 |
| 444. | 5.8% | Litchfield Community Unit School District 12 / 9,051 |
| 445. | 5.8% | Addison School District 4 / 37,158 |
| 446. | 5.8% | Hillside School District 93 / 5,047 |
| 447. | 5.8% | High Mount School District 116 / 4,323 |
| 448. | 5.7% | Pekin Community High School District 303 / 45,753 |
| 448. | 5.7% | Millstadt Consolidated Community School District 160 / 9,209 |
| 450. | 5.7% | Lake Bluff Elementary School District 65 / 7,946 |
| 451. | 5.7% | Frankfort Community Consolidated School District 157C / 16,911 |
| 451. | 5.7% | Galva Community Unit School District 224 / 3,588 |
| 451. | 5.7% | Patoka Community Unit School District 100 / 1,610 |
| 454. | 5.7% | Heritage Community Unit School District 8 / 2,757 |
| 455. | 5.6% | Kildeer Countryside Community Consolidated School District 96 / 23,238 |
| 455. | 5.6% | Opdyke-Belle Rive Community Consolidated School District 5 / 1,914 |
| 457. | 5.6% | River Bend Community Unit District 2 / 6,730 |
| 458. | 5.6% | Hoyleton Consolidated School District 29 / 1,000 |
| 459. | 5.5% | Community Consolidated School District 168 / 10,243 |
| 459. | 5.5% | Wesclin Community Unit School District 3 / 7,908 |
| 461. | 5.5% | East St. Louis School District 189 / 39,557 |
| 461. | 5.5% | Rantoul Township High School District 193 / 17,357 |
| 461. | 5.5% | Forest Ridge School District 142 / 17,479 |
| 464. | 5.5% | Palatine Community Consolidated School District 15 / 117,475 |
| 465. | 5.4% | Tuscola Community Unit School District 301 / 5,749 |
| 466. | 5.4% | Oswego Community Unit School District 308 / 68,241 |
| 467. | 5.4% | Grayslake Community High School District 127 / 43,357 |
| 468. | 5.4% | Brussels Community Unit School District 42 / 1,595 |
| 469. | 5.3% | Dunlap Community Unit School District 323 / 19,107 |
| 470. | 5.3% | Coulterville Unit School District 1 / 1,738 |
| 471. | 5.3% | Rochelle Township High School District 212 / 17,552 |
| 472. | 5.3% | St. Joseph Community Consolidated School District 169 / 5,887 |
| 472. | 5.3% | Center Cass School District 66 / 10,870 |
| 474. | 5.3% | Crystal Lake Community Consolidated School District 47 / 61,959 |
| 475. | 5.3% | Benton Community Consolidated School District 47 / 10,066 |
| 476. | 5.2% | Ina Community Consolidated School District 8 / 3,199 |
| 477. | 5.2% | Salem Community High School District 600 / 15,146 |
| 478. | 5.2% | Riley Community Consolidated School District 18 / 3,489 |
| 478. | 5.2% | Sycamore Community Unit School District 427 / 21,820 |
| 480. | 5.2% | La Moille Community Unit School District 303 / 2,027 |
| 480. | 5.2% | Tonica Community Consolidated School District 79 / 1,438 |
| 482. | 5.2% | Komarek School District 94 / 5,099 |
| 482. | 5.2% | Minooka Community Consolidated School District 201 / 20,814 |
| 484. | 5.1% | ROWVA Community Unit School District 208 / 4,053 |
| 485. | 5.1% | Kings Consolidated School District 144 / 1,060 |
| 485. | 5.1% | Potomac Community Unit School District 10 / 1,404 |
| 487. | 5.1% | Eldorado Community Unit School District 4 / 7,364 |
| 488. | 5.0% | Norwood Elementary School District 63 / 4,523 |
| 488. | 5.0% | Lombard School District 44 / 35,368 |
| 488. | 5.0% | Sparta Community Unit School District 140 / 8,772 |
| 491. | 5.0% | Deer Creek-Mackinaw Community Unit School District 701 / 5,900 |
| 492. | 5.0% | Marengo Community High School District 154 / 13,969 |
| 493. | 4.9% | Lebanon Community Unit School District 9 / 5,411 |
| 494. | 4.9% | Diamond Lake School District 76 / 8,598 |
| 495. | 4.9% | Marengo-Union Elementary Consolidated District 165 / 10,480 |
| 496. | 4.9% | Lincolnshire-Prairieview School District 103 / 13,374 |
| 496. | 4.9% | Adlai E. Stevenson High School District 125 / 61,457 |
| 498. | 4.8% | Community Consolidated School District 59 / 65,516 |
| 498. | 4.8% | Community High School District 155 / 95,975 |
| 500. | 4.8% | Unity Point Community Consolidated School District 140 / 5,451 |
| 500. | 4.8% | Skokie School District 73-5 / 10,048 |
| 502. | 4.8% | Aurora East Unit School District 131 / 77,437 |
| 502. | 4.8% | Community Consolidated School District 93 / 34,289 |
| 504. | 4.8% | Highland Community Unit School District 5 / 17,882 |
| 505. | 4.8% | Oakwood Community Unit School District 76 / 6,182 |
| 506. | 4.7% | Northbrook Elementary School District 27 / 11,349 |
| 507. | 4.7% | Orangeville Community Unit School District 203 / 2,870 |
| 508. | 4.7% | Benton Consolidated High School District 103 / 12,686 |
| 509. | 4.7% | Morris School District 54 / 12,237 |
| 510. | 4.6% | North Greene Unit School District 3 / 6,541 |
| 511. | 4.6% | Summit School District 104 / 12,164 |
| 511. | 4.6% | Wilmington Community Unit School District 209U / 9,820 |
| 513. | 4.6% | Township High School District 113 / 58,968 |
| 514. | 4.6% | Fox River Grove Consolidated School District 3 / 4,336 |
| 515. | 4.6% | Midland Community Unit School District 7 / 5,409 |
| 515. | 4.6% | Iuka Community Consolidated School District 7 / 2,016 |
| 515. | 4.6% | Atwood-Hammond Community Unit School District 39 / 2,215 |
| 518. | 4.5% | Jasper County Community Unit School District 1 / 9,531 |
| 519. | 4.5% | West Carroll Community Unit School District 314 / 8,728 |
| 520. | 4.5% | Germantown Hills School District 69 / 6,399 |
| 521. | 4.5% | Central School District 51 / 6,993 |
| 521. | 4.5% | Winchester Community Unit School District 1 / 3,798 |
| 523. | 4.4% | Anna Jonesboro Community High School District 81 / 11,336 |
| 524. | 4.4% | Leyden Community High School District 212 / 63,851 |
| 525. | 4.4% | Bluford Community Consolidated School District 114 / 2,894 |
| 526. | 4.4% | Dwight Township High School District 230 / 6,561 |
| 527. | 4.4% | New Hope Community Consolidated School District 6 / 1,689 |
| 528. | 4.3% | Marshall Community Unit School District 2C / 8,346 |
| 529. | 4.3% | Bement Community Unit School District 5 / 2,780 |
| 530. | 4.3% | Maercker School District 60 / 18,075 |
| 531. | 4.2% | Zion Elementary School District 6 / 17,360 |
| 532. | 4.2% | Oregon Community Unit School District 220 / 10,898 |
| 533. | 4.2% | Hazel Crest School District 152-5 / 8,161 |
| 533. | 4.2% | Ashton Community Unit School District 275 / 4,306 |
| 535. | 4.2% | Central City School District 133 / 2,183 |
| 536. | 4.1% | West Northfield School District 31 / 9,769 |
| 537. | 4.0% | Marissa Community Unit School District 40 / 3,246 |
| 538. | 4.0% | Prairie-Hills Elementary School District 144 / 22,015 |
| 538. | 4.0% | Lincoln Community High School District 404 / 22,908 |
| 540. | 4.0% | United Township High School District 30 / 40,413 |
| 540. | 4.0% | Teutopolis Community Unit School District 50 / 5,420 |
| 542. | 4.0% | Cary Community Consolidated School District 26 / 22,076 |
| 543. | 4.0% | Galesburg Community Unit School District 205 / 35,351 |
| 544. | 4.0% | Charleston Community Unit School District 1 / 28,363 |
| 544. | 4.0% | Jasper Community Consolidated School District 17 / 1,555 |
| 546. | 3.9% | Southwestern Community Unit School District 9 / 9,397 |
| 547. | 3.9% | Prairie Grove Community School District 46 / 7,604 |
| 548. | 3.9% | Cicero School District 99 / 83,332 |
| 549. | 3.9% | Worth School District 127 / 11,083 |
| 550. | 3.9% | Berwyn North School District 98 / 23,819 |
| 550. | 3.9% | Donovan Community Unit School District 3 / 2,563 |
| 552. | 3.8% | Skokie School District 69 / 17,748 |
| 553. | 3.8% | Willow Springs School District 108 / 3,358 |
| 553. | 3.8% | Bond County Community Unit School District 2 / 14,399 |
| 555. | 3.8% | Stockton Community Unit School District 206 / 4,004 |
| 555. | 3.8% | Grayslake Consolidated Community School District 46 / 29,684 |
| 557. | 3.7% | Orion Community Unit School District 223 / 6,384 |
| 558. | 3.7% | Riverdale School District 14 / 1,239 |
| 558. | 3.7% | Willow Grove School District 46 / 2,202 |
| 558. | 3.7% | Lovington Community Unit School District 303 / 1,872 |
| 561. | 3.7% | Dwight Common School District 232 / 6,243 |
| 561. | 3.7% | Pope County Community Unit School District 1 / 4,426 |
| 563. | 3.7% | Peotone Community Unit School District 207U / 11,003 |
| 563. | 3.7% | Pleasant Hill School District 69 / 1,992 |
| 563. | 3.7% | Girard Community Unit School District 3 / 4,184 |
| 566. | 3.7% | Illini West High School District 307 / 8,749 |
| 567. | 3.7% | Hall High School District 502 / 9,213 |
| 568. | 3.6% | Ewing Northern Community Consolidated District 115 / 1,943 |
| 568. | 3.6% | Manhattan School District 114 / 9,151 |
| 568. | 3.6% | West Central Community Unit School District 235 / 6,536 |
| 571. | 3.6% | Limestone Community High School District 310 / 22,180 |
| 572. | 3.6% | Tolono Community Unit School District 7 / 9,744 |
| 573. | 3.6% | Pontiac Township High School District 90 / 16,352 |
| 574. | 3.6% | Nippersink School District 2 / 11,412 |
| 574. | 3.6% | Richmond-Burton Community High School District 157 / 11,412 |
| 574. | 3.6% | Meredosia-Chambersburg Community Unit School District 11 / 1,660 |
| 577. | 3.6% | Lincoln Elementary School District 27 / 12,934 |
| 577. | 3.6% | Centralia High School District 200 / 21,690 |
| 579. | 3.5% | Morrison Community Unit School District 6 / 6,818 |
| 580. | 3.5% | East Richland Community Unit School District 1 / 14,022 |
| 581. | 3.5% | Gallatin Community Unit School District 7 / 5,582 |
| 582. | 3.5% | Lena-Winslow Community Unit School District 202 / 4,898 |
| 583. | 3.4% | Rochester Community Unit School District 3A / 10,150 |
| 583. | 3.4% | Marion Community Unit School District 2 / 27,375 |
| 583. | 3.4% | Township High School District 211 / 232,811 |
| 586. | 3.4% | Goreville Community Unit School District 1 / 2,984 |
| 587. | 3.4% | Bismarck-Henning Consolidated Unit School District / 4,445 |
| 588. | 3.4% | North Boone Community Unit School District 200 / 8,299 |
| 589. | 3.4% | Reed Custer Community Unit School District 255U / 9,316 |
| 589. | 3.4% | Centralia School District 135 / 13,771 |
| 591. | 3.3% | District 50 Schools / 7,812 |
| 592. | 3.3% | Jersey Community Unit School District 100 / 20,346 |
| 593. | 3.2% | Summit Hill School District 161 / 22,534 |
| 594. | 3.2% | Rochelle Community Consolidated District 231 / 13,686 |
| 594. | 3.2% | Amboy Community Unit School District 272 / 5,387 |
| 596. | 3.2% | Franklin Park School District 84 / 10,955 |
| 597. | 3.2% | Casey-Westfield Community Unit School District 4C / 6,066 |
| 598. | 3.2% | Scott-Morgan Consolidated Unit School District 2 / 1,593 |
| 599. | 3.1% | Limestone Walters Community Consolidated School District 316 / 1,729 |
| 600. | 3.1% | Pontiac-William Holliday School District 105 / 8,048 |
| 601. | 3.1% | Lewistown Community Unit School District 97 / 5,092 |
| 601. | 3.1% | Blue Ridge Community Unit School District 18 / 5,134 |
| 603. | 3.1% | Robinson Community Unit School District 2 / 12,392 |
| 604. | 3.1% | Avon Community Unit School District 176 / 1,854 |
| 604. | 3.1% | Odin Community High School District 700 / 1,714 |
| 604. | 3.1% | Odin School District 122 / 1,723 |
| 607. | 3.0% | Georgetown-Ridge Farm Consolidated Unit School District 4 / 6,831 |
| 608. | 3.0% | Spring Valley Community Consolidated School District 99 / 6,029 |
| 609. | 3.0% | Pikeland Community Unit School District 10 / 8,435 |
| 609. | 3.0% | Ramsey Community Unit School District 204 / 2,813 |
| 611. | 3.0% | Hartsburg-Emden Community Unit School District 21 / 1,178 |
| 611. | 3.0% | Fox Lake Grade School District 114 / 8,933 |
| 613. | 2.9% | Pawnee Community Unit School District 11 / 3,144 |
| 614. | 2.9% | Zeigler-Royalton Community Unit School District 188 / 4,101 |
| 615. | 2.9% | Monmouth-Roseville Community Unit School District 238 / 11,091 |
| 616. | 2.9% | Mattoon Community Unit School District 2 / 22,709 |
| 617. | 2.8% | Urbana School District 116 / 50,537 |
| 618. | 2.8% | Mannheim School District 83 / 21,696 |
| 618. | 2.8% | Bureau Valley Community Unit School District 340 / 6,834 |
| 618. | 2.8% | Woodlawn Community Consolidated School District 4 / 2,464 |
| 621. | 2.8% | Herrin Community Unit School District 4 / 16,062 |
| 621. | 2.8% | Northwestern Community Unit School District 2 / 2,622 |
| 623. | 2.8% | Pontiac Community Consolidated School District 429 / 13,690 |
| 624. | 2.7% | Morton Community Unit School District 709 / 18,698 |
| 625. | 2.7% | Palestine Community Unit School District 3 / 2,345 |
| 626. | 2.7% | Gibson City-Melvin-Sibley Community Unit School District 5 / 6,136 |
| 627. | 2.6% | Genoa-Kingston Community Unit School District 424 / 9,100 |
| 627. | 2.6% | Alwood Community Unit School District 225 / 2,197 |
| 629. | 2.6% | Taylorville Community Unit School District 3 / 18,790 |
| 630. | 2.6% | Washington Community High School District 308 / 22,678 |
| 631. | 2.6% | Seneca Community Consolidated School District 170 / 3,659 |
| 632. | 2.6% | Roselle School District 12 / 7,331 |
| 633. | 2.6% | Hillsboro Community Unit School District 3 / 13,260 |
| 634. | 2.5% | Edgar County Community Unit District 6 / 2,264 |
| 635. | 2.5% | Mount Vernon Township High School District 201 / 30,123 |
| 636. | 2.5% | Red Hill Community Unit School District 10 / 8,110 |
| 637. | 2.4% | Shelbyville Community Unit School District 4 / 7,669 |
| 637. | 2.4% | Canton Union School District 66 / 18,029 |
| 639. | 2.4% | Mount Prospect School District 57 / 19,645 |
| 640. | 2.4% | Belle Valley School District 119 / 8,611 |
| 641. | 2.4% | Joppa-Maple Grove Unit District 38 / 1,520 |
| 642. | 2.4% | North Shore School District 112 / 35,908 |
| 643. | 2.3% | Henry-Senachwine Consolidated Unit School District 5 / 3,905 |
| 644. | 2.3% | Sandwich Community Unit School District 430 / 14,462 |
| 645. | 2.3% | Darien School District 61 / 15,935 |
| 646. | 2.2% | Aptakisic-Tripp Community Consolidated School District / 18,334 |
| 647. | 2.2% | Chester Community Unit School District 139 / 11,196 |
| 648. | 2.2% | Woodlawn Community High School District 205 / 3,093 |
| 648. | 2.2% | Rhodes School District 84-5 / 4,867 |
| 650. | 2.2% | Hoopeston Area Community Unit School District 11 / 7,280 |
| 651. | 2.2% | Hamilton Community Consolidated School District 328 / 3,967 |
| 652. | 2.1% | Wheeling Community Consolidated School District 21 / 65,346 |
| 653. | 2.1% | Coal City Community Unit School District 1 / 11,258 |
| 653. | 2.1% | Nashville Community High School District 99 / 9,097 |
| 653. | 2.1% | Le Roy Community Unit School District 2 / 4,413 |
| 656. | 2.1% | Community Consolidated School District 204 / 4,182 |
| 657. | 2.0% | Clinton Community Unit School District 15 / 12,193 |
| 658. | 2.0% | Auburn Community Unit School District 10 / 6,921 |
| 659. | 2.0% | Macomb Community Unit School District 185 / 22,685 |
| 660. | 2.0% | Streator Elementary School District 44 / 17,288 |
| 661. | 1.9% | Gavin School District 37 / 7,405 |
| 662. | 1.9% | Somonauk Community Unit School District 432 / 4,889 |
| 662. | 1.9% | Antioch Community Consolidated School District 34 / 22,199 |
| 664. | 1.9% | Schaumburg Community Consolidated School District 54 / 132,253 |
| 665. | 1.8% | Streator Township High School District 40 / 18,882 |
| 666. | 1.7% | Johnston City Community Unit School District 1 / 8,074 |
| 667. | 1.7% | Okaw Valley Community Unit School District 302 / 3,771 |
| 668. | 1.7% | Camp Point Community Unit School District 3 / 4,857 |
| 669. | 1.6% | Gillespie Community Unit School District 7 / 7,990 |
| 669. | 1.6% | Dakota Community Unit School District 201 / 4,419 |
| 671. | 1.6% | Geneseo Community Unit School District 228 / 15,508 |
| 672. | 1.6% | Seneca Township High School District 160 / 7,361 |
| 673. | 1.6% | Galatia Community Unit School District 1 / 2,306 |
| 674. | 1.6% | O'Fallon Township High School District 203 / 37,866 |
| 675. | 1.5% | Cahokia Community Unit School District 187 / 19,834 |
| 676. | 1.5% | Kewanee Community Unit School District 229 / 10,284 |
| 677. | 1.4% | O'Fallon Community Consolidated School District 90 / 26,811 |
| 678. | 1.4% | Harrisburg Community Unit School District 3 / 12,869 |
| 679. | 1.4% | South Pekin School District 137 / 1,974 |
| 680. | 1.3% | Granite City Community Unit School District 9 / 44,580 |
| 680. | 1.3% | Carterville Community Unit School District 5 / 10,959 |
| 680. | 1.3% | Du Quoin Community Unit School District 300 / 9,484 |
| 683. | 1.3% | Meridian Community Unit School District 223 / 8,875 |
| 684. | 1.3% | Selmaville Community Consolidated School District 10 / 2,079 |
| 685. | 1.2% | Panhandle Community Unit School District 2 / 3,394 |
| 686. | 1.2% | Pinckneyville Community High School District 101 / 11,240 |
| 687. | 1.1% | Calumet City School District 155 / 11,022 |
| 688. | 1.1% | South Central Community Unit School District 401 / 4,398 |
| 689. | 1.1% | Century Community Unit School District 100 / 2,852 |
| 690. | 1.0% | Roxana Community Unit School District 1 / 12,394 |
| 690. | 1.0% | Bushnell-Prairie City Community Unit School District 170 / 4,507 |
| 692. | 0.8% | Prairie Central Community Unit School District 8 / 11,810 |
| 693. | 0.8% | Riverton Community Unit School District 14 / 8,128 |
| 694. | 0.7% | Wood River-Hartford Elementary School District 15 / 6,306 |
| 695. | 0.6% | Pana Community Unit School District 8 / 9,699 |
| 696. | 0.5% | Western Community Unit School District 12 / 3,772 |
| 697. | 0.5% | Mount Vernon School District 80 / 14,075 |
| 698. | 0.4% | Johnsburg Community Unit School District 12 / 13,084 |
| 699. | 0.3% | Staunton Community Unit School District 6 / 8,355 |
| 700. | 0.3% | West Lincoln-Broadwell Elementary School District 92 / 5,537 |
| 701. | 0.3% | Frankfort Community Unit School District 168 / 12,002 |
| 702. | 0.3% | East Alton-Wood River Community High School District 14 / 14,121 |
Please note that we only rank locations with 'Private High School Enrollment Percentage' data. The rank above might not be a complete list. Locations without 'Private High School Enrollment Percentage' data are not listed.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
