| Rank | Average Family Size ▼ | School District / Population |
| 1. | 5.95 | Kiryas Joel Village Union Free School District / 20,176 |
| 2. | 4.50 | Brentwood Union Free School District / 85,468 |
| 3. | 4.46 | Westbury Union Free School District / 25,812 |
| 4. | 4.35 | Uniondale Union Free School District / 42,878 |
| 5. | 4.33 | East Ramapo Central School District / 112,701 |
| 6. | 4.31 | Roosevelt Union Free School District / 17,260 |
| 7. | 4.26 | Central Islip Union Free School District / 39,987 |
| 8. | 4.17 | Wyandanch Union Free School District / 11,140 |
| 9. | 4.08 | Hempstead Union Free School District / 43,478 |
| 10. | 4.02 | Elmont Union Free School District / 53,514 |
| 11. | 3.94 | Valley Stream Union Free School District 30 / 17,534 |
| 12. | 3.85 | Freeport Union Free School District / 40,255 |
| 13. | 3.84 | Copiague Union Free School District / 30,578 |
| 14. | 3.78 | Lawrence Union Free School District / 34,923 |
| 15. | 3.73 | Bay Shore Union Free School District / 34,388 |
| 16. | 3.71 | Valley Stream Central High School District / 59,901 |
| 17. | 3.71 | Elmsford Union Free School District / 8,144 |
| 18. | 3.70 | Brookhaven-Comsewogue Union Free School District / 25,917 |
| 19. | 3.70 | Sewanhaka Central High School District / 121,791 |
| 20. | 3.69 | Sherman Central School District / 2,937 |
| 21. | 3.69 | Schenectady City School District / 65,921 |
| 22. | 3.65 | Plainedge Union Free School District / 20,433 |
| 23. | 3.65 | Port Chester-Rye Union Free School District / 31,913 |
| 24. | 3.63 | West Hempstead Union Free School District / 16,250 |
| 25. | 3.62 | Valley Stream Union Free School District 24 / 14,241 |
| 26. | 3.62 | Deer Park Union Free School District / 26,010 |
| 27. | 3.62 | Valley Stream Union Free School District 13 / 28,126 |
| 28. | 3.62 | Name N/A / 251,129 |
| 29. | 3.61 | Island Trees Union Free School District / 15,564 |
| 30. | 3.61 | Lindenhurst Union Free School District / 42,091 |
| 31. | 3.59 | North Babylon Union Free School District / 30,835 |
| 32. | 3.58 | Middle Country Central School District / 65,253 |
| 33. | 3.57 | Byram Hills Central School District / 11,126 |
| 34. | 3.57 | Middletown City School District / 40,340 |
| 35. | 3.56 | Patchogue-Medford Union Free School District / 52,527 |
| 36. | 3.56 | Malverne Union Free School District / 14,520 |
| 37. | 3.55 | Baldwin Union Free School District / 33,235 |
| 38. | 3.55 | East Rockaway Union Free School District / 10,336 |
| 39. | 3.54 | William Floyd Union Free School District / 48,720 |
| 40. | 3.53 | Manhasset Union Free School District / 16,863 |
| 41. | 3.53 | West Babylon Union Free School District / 28,512 |
| 42. | 3.53 | Haverstraw-Stony Point Central School District / 47,599 |
| 43. | 3.53 | Washingtonville Central School District / 24,448 |
| 44. | 3.52 | North Bellmore Union Free School District / 25,743 |
| 45. | 3.52 | Jasper-Troupsburg Central School District / 3,331 |
| 46. | 3.52 | New Hyde Park-Garden City Park Union Free School District / 22,714 |
| 47. | 3.51 | Monroe-Woodbury Central School District / 36,432 |
| 48. | 3.51 | Rocky Point Union Free School District / 17,667 |
| 49. | 3.51 | Amityville Union Free School District / 25,399 |
| 50. | 3.51 | Pine Valley Central School District / 4,654 |
| 51. | 3.50 | Peekskill City School District / 22,771 |
| 52. | 3.50 | Islip Union Free School District / 19,590 |
| 53. | 3.50 | Sachem Central School District / 83,654 |
| 54. | 3.50 | New York City Department Of Education / 8,199,221 |
| 55. | 3.49 | Pearl River Union Free School District / 15,683 |
| 56. | 3.49 | Rye City School District / 14,770 |
| 57. | 3.49 | Wantagh Union Free School District / 17,447 |
| 58. | 3.48 | Floral Park-Bellerose Union Free School District / 20,372 |
| 59. | 3.48 | Newburgh City School District / 66,270 |
| 60. | 3.48 | Springs Union Free School District / 6,081 |
| 61. | 3.47 | South Huntington Union Free School District / 39,100 |
| 62. | 3.47 | East Meadow Union Free School District / 52,150 |
| 63. | 3.47 | Pelham Union Free School District / 12,379 |
| 64. | 3.46 | East Islip Union Free School District / 24,458 |
| 65. | 3.46 | West Islip Union Free School District / 28,064 |
| 66. | 3.45 | Scarsdale Union Free School District / 18,049 |
| 67. | 3.45 | Center Moriches Union Free School District / 7,947 |
| 68. | 3.45 | Connetquot Central School District / 39,864 |
| 69. | 3.45 | Yonkers City School District / 196,459 |
| 70. | 3.45 | Valley Central School District / 26,923 |
| 71. | 3.45 | Mount Vernon City School District / 67,414 |
| 72. | 3.44 | Mount Pleasant Central School District / 13,119 |
| 73. | 3.44 | Cold Spring Harbor Central School District / 7,862 |
| 74. | 3.44 | Commack Union Free School District / 37,716 |
| 75. | 3.44 | Levittown Union Free School District / 47,210 |
| 76. | 3.44 | Highland Falls Central School District / 12,486 |
| 77. | 3.44 | North Merrick Union Free School District / 13,589 |
| 78. | 3.44 | South Country Central School District / 29,660 |
| 79. | 3.43 | Massapequa Union Free School District / 46,926 |
| 80. | 3.43 | Franklin Square Union Free School District / 25,191 |
| 81. | 3.43 | Fort Plain Central School District / 5,866 |
| 82. | 3.42 | Morrisville-Eaton Central School District / 6,173 |
| 83. | 3.42 | Rye Neck Union Free School District / 8,566 |
| 84. | 3.42 | Hicksville Union Free School District / 38,789 |
| 85. | 3.42 | Bellmore Union Free School District / 12,965 |
| 86. | 3.41 | Ardsley Union Free School District / 9,790 |
| 87. | 3.41 | Marlboro Central School District / 12,739 |
| 88. | 3.41 | Bellmore-Merrick Central High School District / 69,437 |
| 89. | 3.41 | DeRuyter Central School District / 2,936 |
| 90. | 3.41 | Cincinnatus Central School District / 3,420 |
| 91. | 3.41 | Miller Place Union Free School District / 15,473 |
| 92. | 3.40 | Oxford Academy and Central School District / 5,253 |
| 93. | 3.40 | Smithtown Central School District / 56,584 |
| 94. | 3.40 | Bronxville Union Free School District / 6,345 |
| 95. | 3.40 | Glen Cove City School District / 26,918 |
| 96. | 3.40 | Half Hollow Hills Central School District / 47,761 |
| 97. | 3.40 | Fallsburg Central School District / 10,695 |
| 98. | 3.40 | Dundee Central School District / 6,335 |
| 99. | 3.40 | Bradford Central School District / 2,285 |
| 100. | 3.39 | Minisink Valley Central School District / 22,985 |
| 101. | 3.39 | Marathon Central School District / 4,754 |
| 102. | 3.39 | Island Park Union Free School District / 8,456 |
| 103. | 3.39 | Fire Island Union Free School District / 565 |
| 104. | 3.39 | East Williston Union Free School District / 8,481 |
| 105. | 3.39 | Clymer Central School District / 3,021 |
| 106. | 3.39 | Northeast Central School District / 6,680 |
| 107. | 3.38 | Altmar-Parish-Williamstown Central School District / 7,653 |
| 108. | 3.38 | Kings Park Central School District / 23,437 |
| 109. | 3.38 | Clarkstown Central School District / 48,175 |
| 110. | 3.38 | Mahopac Central School District / 26,571 |
| 111. | 3.38 | Oceanside Union Free School District / 35,653 |
| 112. | 3.37 | Brookfield Central School District / 1,364 |
| 113. | 3.37 | Rochester City School District / 211,016 |
| 114. | 3.37 | Chappaqua Central School District / 16,543 |
| 115. | 3.37 | Randolph Central School District / 6,354 |
| 116. | 3.37 | Ossining Union Free School District / 34,370 |
| 117. | 3.36 | Carle Place Union Free School District / 10,196 |
| 118. | 3.36 | Ramapo Central School District / 28,838 |
| 119. | 3.36 | Fonda-Fultonville Central School District / 8,830 |
| 120. | 3.36 | Hauppauge Union Free School District / 23,361 |
| 121. | 3.36 | Bethpage Union Free School District / 19,797 |
| 122. | 3.36 | Huntington Union Free School District / 34,983 |
| 123. | 3.36 | Valhalla Union Free School District / 9,639 |
| 124. | 3.36 | Mineola Union Free School District / 23,652 |
| 125. | 3.35 | Sayville Union Free School District / 17,607 |
| 126. | 3.35 | Seaford Union Free School District / 16,042 |
| 127. | 3.35 | Cornwall Central School District / 17,101 |
| 128. | 3.35 | Eastport-South Manor Central School District / 18,101 |
| 129. | 3.35 | Hewlett-Woodmere Union Free School District / 19,185 |
| 130. | 3.35 | Spencerport Central School District / 24,897 |
| 131. | 3.34 | Scotia-Glenville Central School District / 18,189 |
| 132. | 3.34 | Tuckahoe Union Free School District / 7,145 |
| 133. | 3.34 | Edgemont Union Free School District / 7,718 |
| 134. | 3.34 | Mamaroneck Union Free School District / 28,370 |
| 135. | 3.34 | Putnam Valley Central School District / 11,129 |
| 136. | 3.34 | Pleasantville Union Free School District / 8,222 |
| 137. | 3.34 | Wallkill Central School District / 20,804 |
| 138. | 3.34 | Herricks Union Free School District / 24,400 |
| 139. | 3.34 | Farmingdale Union Free School District / 39,719 |
| 140. | 3.34 | Syracuse City School District / 144,869 |
| 141. | 3.33 | Rotterdam-Mohonasen Central School District / 20,829 |
| 142. | 3.33 | LaFayette Central School District / 4,673 |
| 143. | 3.33 | Newfield Central School District / 5,466 |
| 144. | 3.33 | New Rochelle City School District / 77,074 |
| 145. | 3.32 | Sharon Springs Central School District / 2,188 |
| 146. | 3.32 | Harborfields Central School District / 19,183 |
| 147. | 3.32 | Utica City School District / 62,011 |
| 148. | 3.32 | Salmon River Central School District / 6,987 |
| 149. | 3.31 | Port Jervis City School District / 17,765 |
| 150. | 3.31 | Three Village Central School District / 46,428 |
| 151. | 3.31 | Pawling Central School District / 8,853 |
| 152. | 3.31 | North Salem Central School District / 7,130 |
| 153. | 3.30 | Elwood Union Free School District / 12,599 |
| 154. | 3.30 | South Orangetown Central School District / 21,259 |
| 155. | 3.30 | Briarcliff Manor Union Free School District / 8,016 |
| 156. | 3.30 | Goshen Central School District / 18,372 |
| 157. | 3.30 | Wappingers Central School District / 72,437 |
| 158. | 3.30 | Catskill Central School District / 12,632 |
| 159. | 3.30 | Brewster Central School District / 22,843 |
| 160. | 3.29 | Warwick Valley Central School District / 23,717 |
| 161. | 3.29 | Mount Sinai Union Free School District / 12,337 |
| 162. | 3.29 | Schalmont Central School District / 13,391 |
| 163. | 3.29 | Poughkeepsie City School District / 31,492 |
| 164. | 3.29 | Lakeland Central School District / 35,849 |
| 165. | 3.29 | Harrison Central School District / 27,443 |
| 166. | 3.29 | Onondaga Central School District / 6,343 |
| 167. | 3.29 | Yorktown Central School District / 20,373 |
| 168. | 3.29 | Crown Point Central School District / 2,069 |
| 169. | 3.29 | Pine Bush Central School District / 33,611 |
| 170. | 3.29 | Bayport-Blue Point Union Free School District / 14,087 |
| 171. | 3.29 | Stockbridge Valley Central School District / 3,248 |
| 172. | 3.28 | Garden City Union Free School District / 22,188 |
| 173. | 3.28 | Roslyn Union Free School District / 17,054 |
| 174. | 3.28 | Arlington Central School District / 57,918 |
| 175. | 3.28 | Northport-East Northport Union Free School District / 36,440 |
| 176. | 3.28 | Plainview-Old Bethpage Central School District / 28,621 |
| 177. | 3.27 | Great Neck Union Free School District / 43,966 |
| 178. | 3.27 | East Moriches Union Free School District / 5,497 |
| 179. | 3.27 | White Plains City School District / 56,768 |
| 180. | 3.27 | Monticello Central School District / 21,547 |
| 181. | 3.27 | Central Square Central School District / 25,020 |
| 182. | 3.27 | Homer Central School District / 12,882 |
| 183. | 3.27 | Hastings-on-Hudson Union Free School District / 8,496 |
| 184. | 3.26 | Syosset Central School District / 34,158 |
| 185. | 3.26 | Hoosick Falls Central School District / 7,986 |
| 186. | 3.26 | Remsen Central School District / 3,341 |
| 187. | 3.26 | Jericho Union Free School District / 16,980 |
| 188. | 3.25 | Coxsackie-Athens Central School District / 13,049 |
| 189. | 3.25 | Babylon Union Free School District / 12,095 |
| 190. | 3.25 | Port Washington Union Free School District / 30,979 |
| 191. | 3.25 | Owen D. Young Central School District / 1,645 |
| 192. | 3.25 | Niagara-Wheatfield Central School District / 27,819 |
| 193. | 3.25 | Lansingburgh Central School District / 17,906 |
| 194. | 3.24 | St. Johnsville Central School District / 3,386 |
| 195. | 3.24 | Wynantskill Union Free School District / 3,863 |
| 196. | 3.24 | Katonah-Lewisboro Union Free School District / 18,252 |
| 197. | 3.24 | Rockville Centre Union Free School District / 21,796 |
| 198. | 3.24 | Harpursville Central School District / 5,471 |
| 199. | 3.24 | Hermon-DeKalb Central School District / 2,606 |
| 200. | 3.24 | Nyack Union Free School District / 24,291 |
| 201. | 3.24 | Merrick Union Free School District / 17,140 |
| 202. | 3.23 | Solvay Union Free School District / 9,834 |
| 203. | 3.23 | Pocantico Hills Central School District / 4,286 |
| 204. | 3.23 | Locust Valley Central School District / 15,999 |
| 205. | 3.23 | North Collins Central School District / 4,124 |
| 206. | 3.23 | Akron Central School District / 9,800 |
| 207. | 3.23 | The Tarrytowns Union Free School District / 19,594 |
| 208. | 3.23 | Fulton City School District / 19,824 |
| 209. | 3.23 | Shoreham-Wading River Central School District / 12,420 |
| 210. | 3.22 | Cortland City School District / 24,502 |
| 211. | 3.22 | Longwood Central School District / 63,803 |
| 212. | 3.22 | Eastchester Union Free School District / 18,881 |
| 213. | 3.21 | Burnt Hills-Ballston Lake Central School District / 19,299 |
| 214. | 3.21 | Gananda Central School District / 5,765 |
| 215. | 3.21 | Mechanicville City School District / 9,756 |
| 216. | 3.21 | Chester Union Free School District / 6,365 |
| 217. | 3.20 | Friendship Central School District / 2,275 |
| 218. | 3.20 | Corinth Central School District / 7,350 |
| 219. | 3.20 | Royalton-Hartland Central School District / 8,862 |
| 220. | 3.19 | Starpoint Central School District / 17,486 |
| 221. | 3.19 | Nanuet Union Free School District / 13,465 |
| 222. | 3.19 | Carmel Central School District / 28,948 |
| 223. | 3.19 | Lynbrook Union Free School District / 17,149 |
| 224. | 3.19 | Norwich City School District / 13,659 |
| 225. | 3.19 | Whitney Point Central School District / 9,162 |
| 226. | 3.19 | Dobbs Ferry Union Free School District / 9,271 |
| 227. | 3.19 | Hoosic Valley Central School District / 6,616 |
| 228. | 3.19 | Johnson City Central School District / 20,092 |
| 229. | 3.19 | North Colonie Central School District / 39,090 |
| 230. | 3.19 | Riverhead Central School District / 39,232 |
| 231. | 3.18 | Albany City School District / 97,913 |
| 232. | 3.18 | Bedford Central School District / 28,660 |
| 233. | 3.18 | Hannibal Central School District / 8,611 |
| 234. | 3.18 | Beacon City School District / 27,928 |
| 235. | 3.18 | Morristown Central School District / 3,187 |
| 236. | 3.18 | Cobleskill-Richmondville Central School District / 14,003 |
| 237. | 3.18 | Green Island Union Free School District / 2,603 |
| 238. | 3.17 | Red Hook Central School District / 13,971 |
| 239. | 3.17 | Cazenovia Central School District / 10,861 |
| 240. | 3.17 | North Shore Central School District / 16,394 |
| 241. | 3.17 | Medina Central School District / 10,882 |
| 242. | 3.17 | Wyoming Central School District / 1,741 |
| 243. | 3.17 | East Quogue Union Free School District / 4,739 |
| 244. | 3.17 | Cato-Meridian Central School District / 6,475 |
| 245. | 3.17 | Oneida City School District / 16,293 |
| 246. | 3.17 | Tully Central School District / 6,192 |
| 247. | 3.17 | Canajoharie Central School District / 6,236 |
| 248. | 3.17 | Elba Central School District / 2,963 |
| 249. | 3.17 | Niskayuna Central School District / 22,858 |
| 250. | 3.16 | Tri-Valley Central School District / 6,516 |
| 251. | 3.16 | Waterville Central School District / 5,985 |
| 252. | 3.16 | Hendrick Hudson Central School District / 15,348 |
| 253. | 3.16 | Holland Patent Central School District / 8,949 |
| 254. | 3.16 | Barker Central School District / 5,011 |
| 255. | 3.16 | Menands Union Free School District / 3,814 |
| 256. | 3.16 | Franklin Central School District / 2,233 |
| 257. | 3.16 | Ellicottville Central School District / 3,603 |
| 258. | 3.16 | Letchworth Central School District / 6,302 |
| 259. | 3.16 | Stamford Central School District / 2,830 |
| 260. | 3.15 | Addison Central School District / 7,451 |
| 261. | 3.15 | Stillwater Central School District / 7,273 |
| 262. | 3.15 | Sherburne-Earlville Central School District / 8,373 |
| 263. | 3.15 | Florida Union Free School District / 4,776 |
| 264. | 3.15 | Kingston City School District / 51,903 |
| 265. | 3.15 | North Syracuse Central School District / 59,799 |
| 266. | 3.15 | Duanesburg Central School District / 4,987 |
| 267. | 3.14 | Georgetown-South Otselic Central School District / 2,508 |
| 268. | 3.14 | Buffalo City School District / 261,955 |
| 269. | 3.14 | McGraw Central School District / 3,375 |
| 270. | 3.14 | Averill Park Central School District / 18,842 |
| 271. | 3.14 | Clarence Central School District / 27,493 |
| 272. | 3.14 | Somers Central School District / 19,655 |
| 273. | 3.14 | Jordan-Elbridge Central School District / 8,746 |
| 274. | 3.13 | Carthage Central School District / 19,163 |
| 275. | 3.13 | Beaver River Central School District / 5,432 |
| 276. | 3.13 | Cassadaga Valley Central School District / 7,685 |
| 277. | 3.13 | Greenport Union Free School District / 4,485 |
| 278. | 3.13 | Pulaski Central School District / 6,051 |
| 279. | 3.13 | Lancaster Central School District / 40,344 |
| 280. | 3.13 | Greene Central School District / 7,235 |
| 281. | 3.13 | Fayetteville-Manlius Central School District / 25,085 |
| 282. | 3.13 | Alexander Central School District / 5,670 |
| 283. | 3.13 | Oriskany Central School District / 4,743 |
| 284. | 3.13 | Garrison Union Free School District / 3,157 |
| 285. | 3.13 | South Seneca Central School District / 6,799 |
| 286. | 3.13 | Ravena-Coeymans-Selkirk Central School District / 13,951 |
| 287. | 3.12 | Lyncourt Union Free School District / 4,007 |
| 288. | 3.12 | South Lewis Central School District / 7,231 |
| 289. | 3.12 | Mount Morris Central School District / 5,910 |
| 290. | 3.12 | West Genesee Central School District / 31,340 |
| 291. | 3.12 | Chittenango Central School District / 13,777 |
| 292. | 3.12 | Oyster Bay-East Norwich Central School District / 12,666 |
| 293. | 3.12 | Schodack Central School District / 6,461 |
| 294. | 3.12 | Adirondack Central School District / 8,466 |
| 295. | 3.12 | Blind Brook-Rye Union Free School District / 6,295 |
| 296. | 3.12 | Lackawanna City School District / 18,116 |
| 297. | 3.12 | Guilderland Central School District / 36,504 |
| 298. | 3.12 | Windham-Ashland-Jewett Central School District / 3,054 |
| 299. | 3.12 | Bethlehem Central School District / 27,552 |
| 300. | 3.12 | Greece Central School District / 82,365 |
| 301. | 3.12 | Greenwood Lake Union Free School District / 6,121 |
| 302. | 3.12 | Binghamton City School District / 47,107 |
| 303. | 3.12 | Phoenix Central School District / 11,483 |
| 304. | 3.11 | Dover Union Free School District / 10,636 |
| 305. | 3.11 | Westhill Central School District / 12,178 |
| 306. | 3.11 | Lyndonville Central School District / 4,540 |
| 307. | 3.11 | Brockport Central School District / 26,742 |
| 308. | 3.11 | Webster Central School District / 55,375 |
| 309. | 3.11 | Hilton Central School District / 26,216 |
| 310. | 3.11 | Hamburg Central School District / 24,951 |
| 311. | 3.11 | Avon Central School District / 7,119 |
| 312. | 3.11 | Alfred-Almond Central School District / 7,459 |
| 313. | 3.11 | Ellenville Central School District / 12,721 |
| 314. | 3.11 | Fillmore Central School District / 5,087 |
| 315. | 3.11 | Le Roy Central School District / 8,218 |
| 316. | 3.11 | Honeoye Falls-Lima Central School District / 13,667 |
| 317. | 3.11 | Camden Central School District / 13,347 |
| 318. | 3.11 | Greenburgh Central School District / 21,325 |
| 319. | 3.10 | Romulus Central School District / 5,605 |
| 320. | 3.10 | Waverly Central School District / 9,947 |
| 321. | 3.10 | Lisbon Central School District / 4,226 |
| 322. | 3.10 | Niagara Falls City School District / 50,172 |
| 323. | 3.10 | Weedsport Central School District / 5,655 |
| 324. | 3.10 | Hunter-Tannersville Central School District / 3,737 |
| 325. | 3.10 | Granville Central School District / 7,461 |
| 326. | 3.10 | Dryden Central School District / 12,325 |
| 327. | 3.09 | Fort Edward Union Free School District / 3,096 |
| 328. | 3.09 | Cleveland Hill Union Free School District / 11,276 |
| 329. | 3.09 | Evans-Brant Central School District / 17,347 |
| 330. | 3.09 | Gloversville City School District / 19,147 |
| 331. | 3.09 | Edwards-Knox Central School District / 3,000 |
| 332. | 3.09 | West Irondequoit Central School District / 24,225 |
| 333. | 3.09 | Ballston Spa Central School District / 26,960 |
| 334. | 3.09 | Elizabethtown-Lewis Central School District / 2,694 |
| 335. | 3.09 | Port Jefferson Union Free School District / 8,007 |
| 336. | 3.09 | Candor Central School District / 5,187 |
| 337. | 3.09 | Fort Ann Central School District / 6,029 |
| 338. | 3.09 | Heuvelton Central School District / 3,954 |
| 339. | 3.09 | Shenendehowa Central School District / 63,279 |
| 340. | 3.09 | Albion Central School District / 15,231 |
| 341. | 3.08 | Croton-Harmon Union Free School District / 9,528 |
| 342. | 3.08 | Tioga Central School District / 5,515 |
| 343. | 3.08 | Long Beach City School District / 39,087 |
| 344. | 3.08 | Hinsdale Central School District / 2,592 |
| 345. | 3.08 | Penfield Central School District / 31,537 |
| 346. | 3.08 | Hyde Park Central School District / 33,780 |
| 347. | 3.08 | Clyde-Savannah Central School District / 5,127 |
| 348. | 3.08 | Hancock Central School District / 2,621 |
| 349. | 3.08 | Watertown City School District / 31,306 |
| 350. | 3.08 | Liberty Central School District / 10,713 |
| 351. | 3.08 | Livonia Central School District / 10,608 |
| 352. | 3.08 | Millbrook Central School District / 7,385 |
| 353. | 3.08 | Grand Island Central School District / 20,324 |
| 354. | 3.08 | Gouverneur Central School District / 11,393 |
| 355. | 3.08 | Unadilla Valley Central School District / 5,968 |
| 356. | 3.08 | Hampton Bays Union Free School District / 12,971 |
| 357. | 3.08 | Schuylerville Central School District / 9,807 |
| 358. | 3.07 | Churchville-Chili Central School District / 27,152 |
| 359. | 3.07 | Iroquois Central School District / 17,790 |
| 360. | 3.07 | Manchester-Shortsville Central School District / 6,165 |
| 361. | 3.07 | Canisteo-Greenwood Central School District / 5,970 |
| 362. | 3.07 | Newark Valley Central School District / 7,889 |
| 363. | 3.07 | Gowanda Central School District / 11,994 |
| 364. | 3.07 | Spackenkill Union Free School District / 8,942 |
| 365. | 3.07 | Belleville Henderson Central School District / 3,840 |
| 366. | 3.07 | Rush-Henrietta Central School District / 52,026 |
| 367. | 3.07 | Schenevus Central School District / 2,492 |
| 368. | 3.07 | Marcus Whitman Central School District / 10,202 |
| 369. | 3.07 | Canastota Central School District / 9,751 |
| 370. | 3.07 | Gates-Chili Central School District / 33,042 |
| 371. | 3.07 | Wilson Central School District / 8,681 |
| 372. | 3.07 | Rensselaer City School District / 9,284 |
| 373. | 3.07 | South Glens Falls Central School District / 20,123 |
| 374. | 3.07 | Deposit Central School District / 4,099 |
| 375. | 3.06 | Germantown Central School District / 4,885 |
| 376. | 3.06 | Indian River Central School District / 21,658 |
| 377. | 3.06 | Pittsford Central School District / 34,229 |
| 378. | 3.06 | Sackets Harbor Central School District / 3,137 |
| 379. | 3.06 | Port Byron Central School District / 5,825 |
| 380. | 3.06 | Silver Creek Central School District / 6,156 |
| 381. | 3.06 | Irvington Union Free School District / 9,235 |
| 382. | 3.06 | Elmira City School District / 48,834 |
| 383. | 3.06 | Lansing Central School District / 7,369 |
| 384. | 3.06 | Andover Central School District / 2,081 |
| 385. | 3.06 | Orchard Park Central School District / 32,547 |
| 386. | 3.06 | Lockport City School District / 36,070 |
| 387. | 3.06 | Southern Cayuga Central School District / 6,664 |
| 388. | 3.06 | Jamestown City School District / 32,481 |
| 389. | 3.06 | Taconic Hills Central School District / 12,048 |
| 390. | 3.06 | Liverpool Central School District / 49,885 |
| 391. | 3.05 | Susquehanna Valley Central School District / 10,806 |
| 392. | 3.05 | Edmeston Central School District / 2,867 |
| 393. | 3.05 | Frontier Central School District / 35,955 |
| 394. | 3.05 | Eldred Central School District / 5,058 |
| 395. | 3.05 | Rondout Valley Central School District / 16,945 |
| 396. | 3.05 | Penn Yan Central School District / 15,442 |
| 397. | 3.05 | Marion Central School District / 6,076 |
| 398. | 3.05 | Rome City School District / 38,947 |
| 399. | 3.05 | Mexico Central School District / 12,857 |
| 400. | 3.05 | Middleburgh Central School District / 6,238 |
| 401. | 3.05 | Norwood-Norfolk Central School District / 6,629 |
| 402. | 3.05 | Skaneateles Central School District / 9,080 |
| 403. | 3.05 | Berlin Central School District / 6,324 |
| 404. | 3.05 | Tuckahoe Common School District / 3,622 |
| 405. | 3.05 | Westmoreland Central School District / 6,545 |
| 406. | 3.04 | Cohoes City School District / 16,153 |
| 407. | 3.04 | Prattsburgh Central School District / 3,061 |
| 408. | 3.04 | Clinton Central School District / 12,204 |
| 409. | 3.04 | Auburn City School District / 33,512 |
| 410. | 3.04 | South Colonie Central School District / 40,183 |
| 411. | 3.04 | Oneonta City School District / 20,286 |
| 412. | 3.04 | Sweet Home Central School District / 36,332 |
| 413. | 3.04 | Jamesville-DeWitt Central School District / 18,294 |
| 414. | 3.04 | Copenhagen Central School District / 2,735 |
| 415. | 3.04 | Galway Central School District / 6,931 |
| 416. | 3.04 | Frewsburg Central School District / 5,071 |
| 417. | 3.04 | Olean City School District / 15,756 |
| 418. | 3.03 | Victor Central School District / 22,474 |
| 419. | 3.03 | Owego-Apalachin Central School District / 15,029 |
| 420. | 3.03 | Williamsville Central School District / 73,043 |
| 421. | 3.03 | Fairport Central School District / 39,842 |
| 422. | 3.03 | Saratoga Springs City School District / 49,576 |
| 423. | 3.03 | Attica Central School District / 13,563 |
| 424. | 3.03 | Cattaraugus-Little Valley Central School District / 6,661 |
| 425. | 3.03 | North Rose-Wolcott Central School District / 8,655 |
| 426. | 3.03 | Hudson Falls Central School District / 15,258 |
| 427. | 3.03 | Lyons Central School District / 6,961 |
| 428. | 3.03 | York Central School District / 5,341 |
| 429. | 3.03 | North Greenbush Common School District / 1,783 |
| 430. | 3.03 | Waterford-Halfmoon Union Free School District / 5,510 |
| 431. | 3.03 | Phelps-Clifton Springs Central School District / 11,382 |
| 432. | 3.03 | Williamson Central School District / 6,571 |
| 433. | 3.03 | Holley Central School District / 7,619 |
| 434. | 3.03 | Groton Central School District / 6,013 |
| 435. | 3.03 | Kenmore-Tonawanda Union Free School District / 67,289 |
| 436. | 3.03 | Salamanca City School District / 7,856 |
| 437. | 3.03 | Malone Central School District / 20,200 |
| 438. | 3.03 | Frankfort-Schuyler Central School District / 6,961 |
| 439. | 3.03 | Voorheesville Central School District / 7,311 |
| 440. | 3.03 | Mount Markham Central School District / 7,201 |
| 441. | 3.03 | Union Springs Central School District / 6,190 |
| 442. | 3.03 | Moriah Central School District / 4,833 |
| 443. | 3.02 | West Canada Valley Central School District / 4,758 |
| 444. | 3.02 | Campbell-Savona Central School District / 5,341 |
| 445. | 3.02 | Lowville Academy and Central School District / 8,390 |
| 446. | 3.02 | Fabius-Pompey Central School District / 4,810 |
| 447. | 3.02 | Amsterdam City School District / 25,113 |
| 448. | 3.02 | Newfane Central School District / 10,273 |
| 449. | 3.02 | Rhinebeck Central School District / 9,951 |
| 450. | 3.02 | Ilion Central School District / 9,773 |
| 451. | 3.02 | Otego-Unadilla Central School District / 7,051 |
| 452. | 3.02 | Charlotte Valley Central School District / 2,666 |
| 453. | 3.02 | Brushton-Moira Central School District / 5,017 |
| 454. | 3.02 | Kendall Central School District / 5,744 |
| 455. | 3.02 | Sidney Central School District / 7,666 |
| 456. | 3.02 | Marcellus Central School District / 10,687 |
| 457. | 3.02 | South Jefferson Central School District / 11,105 |
| 458. | 3.02 | Windsor Central School District / 11,144 |
| 459. | 3.02 | Wayland-Cohocton Central School District / 9,266 |
| 460. | 3.02 | East Irondequoit Central School District / 27,336 |
| 461. | 3.02 | East Rochester Union Free School District / 8,986 |
| 462. | 3.01 | Brasher Falls Central School District / 5,513 |
| 463. | 3.01 | General Brown Central School District / 8,915 |
| 464. | 3.01 | Falconer Central School District / 7,735 |
| 465. | 3.01 | East Greenbush Central School District / 29,954 |
| 466. | 3.01 | Waterloo Central School District / 11,954 |
| 467. | 3.01 | Saranac Central School District / 14,038 |
| 468. | 3.01 | Whitesboro Central School District / 26,372 |
| 469. | 3.01 | Broadalbin-Perth Central School District / 11,735 |
| 470. | 3.01 | Vestal Central School District / 31,779 |
| 471. | 3.01 | Saugerties Central School District / 20,546 |
| 472. | 3.01 | Moravia Central School District / 7,298 |
| 473. | 3.01 | New Paltz Central School District / 19,240 |
| 474. | 3.01 | Troy City School District / 39,769 |
| 475. | 3.01 | Binghamton Common School District / 424 |
| 476. | 3.01 | Downsville Central School District / 2,655 |
| 477. | 3.01 | Chenango Valley Central School District / 12,349 |
| 478. | 3.01 | Cairo-Durham Central School District / 9,772 |
| 479. | 3.01 | Poland Central School District / 4,307 |
| 480. | 3.01 | Sandy Creek Central School District / 5,537 |
| 481. | 3.01 | Chenango Forks Central School District / 9,335 |
| 482. | 3.00 | Afton Central School District / 3,965 |
| 483. | 3.00 | Brighton Central School District / 24,282 |
| 484. | 3.00 | Haldane Central School District / 5,370 |
| 485. | 3.00 | Panama Central School District / 3,550 |
| 486. | 3.00 | Byron-Bergen Central School District / 7,476 |
| 487. | 3.00 | Batavia City School District / 18,213 |
| 488. | 3.00 | Schoharie Central School District / 7,080 |
| 489. | 3.00 | East Syracuse-Minoa Central School District / 22,190 |
| 490. | 3.00 | Sagaponack Common School District / 212 |
| 491. | 3.00 | Kinderhook Central School District / 13,831 |
| 492. | 3.00 | West Seneca Central School District / 53,381 |
| 493. | 3.00 | Depew Union Free School District / 15,573 |
| 494. | 3.00 | Oswego City School District / 33,389 |
| 495. | 3.00 | Franklinville Central School District / 4,413 |
| 496. | 3.00 | Eden Central School District / 10,372 |
| 497. | 3.00 | Keshequa Central School District / 5,202 |
| 498. | 3.00 | Herkimer Central School District / 10,035 |
| 499. | 3.00 | Gilbertsville-Mount Upton Central School District / 3,291 |
| 500. | 3.00 | Springville-Griffith Institute Central School District / 13,198 |
| 501. | 2.99 | Brunswick Central School District (Brittonkill) / 8,258 |
| 502. | 2.99 | Hamilton Central School District / 7,189 |
| 503. | 2.99 | Baldwinsville Central School District / 35,277 |
| 504. | 2.99 | Oakfield-Alabama Central School District / 5,696 |
| 505. | 2.99 | Union-Endicott Central School District / 31,416 |
| 506. | 2.99 | Oppenheim-Ephratah Central School District / 2,693 |
| 507. | 2.99 | Berne-Knox-Westerlo Central School District / 6,089 |
| 508. | 2.99 | Chateaugay Central School District / 3,395 |
| 509. | 2.98 | Cheektowaga-Maryvale Union Free School District / 19,039 |
| 510. | 2.98 | Trumansburg Central School District / 7,436 |
| 511. | 2.98 | Spencer-Van Etten Central School District / 6,156 |
| 512. | 2.98 | South Kortright Central School District / 2,768 |
| 513. | 2.98 | Wayne Central School District / 15,124 |
| 514. | 2.98 | East Aurora Union Free School District / 13,040 |
| 515. | 2.98 | Pine Plains Central School District / 9,119 |
| 516. | 2.98 | Cambridge Central School District / 6,665 |
| 517. | 2.98 | North Tonawanda City School District / 31,498 |
| 518. | 2.98 | St. Regis Falls Central School District / 1,926 |
| 519. | 2.97 | Potsdam Central School District / 15,000 |
| 520. | 2.97 | Perry Central School District / 5,951 |
| 521. | 2.97 | Yorkshire-Pioneer Central School District / 16,174 |
| 522. | 2.97 | Tonawanda City School District / 15,113 |
| 523. | 2.97 | Warsaw Central School District / 6,269 |
| 524. | 2.97 | Piseco Common School District / 148 |
| 525. | 2.97 | Maine-Endwell Central School District / 15,080 |
| 526. | 2.97 | Plattsburgh City School District / 19,654 |
| 527. | 2.97 | Jefferson Central School District / 1,975 |
| 528. | 2.97 | Southampton Union Free School District / 10,137 |
| 529. | 2.97 | Richfield Springs Central School District / 4,284 |
| 530. | 2.97 | Caledonia-Mumford Central School District / 5,461 |
| 531. | 2.97 | Bainbridge-Guilford Central School District / 5,404 |
| 532. | 2.97 | Greenwich Central School District / 6,594 |
| 533. | 2.97 | Greenville Central School District / 8,319 |
| 534. | 2.97 | Southwestern Central School District / 9,403 |
| 535. | 2.96 | Amherst Central School District / 24,066 |
| 536. | 2.96 | Canton Central School District / 12,096 |
| 537. | 2.96 | Cheektowaga Central School District / 21,017 |
| 538. | 2.96 | Mohawk Central School District / 5,447 |
| 539. | 2.96 | Dunkirk City School District / 13,985 |
| 540. | 2.96 | Alexandria Central School District / 3,880 |
| 541. | 2.96 | Lewiston-Porter Central School District / 18,783 |
| 542. | 2.96 | Corning City School District / 34,413 |
| 543. | 2.96 | Avoca Central School District / 3,342 |
| 544. | 2.96 | Sherrill City School District / 11,692 |
| 545. | 2.96 | Chatham Central School District / 8,923 |
| 546. | 2.96 | Hornell City School District / 10,675 |
| 547. | 2.95 | Amagansett Union Free School District / 1,236 |
| 548. | 2.95 | East Hampton Union Free School District / 9,173 |
| 549. | 2.95 | Canandaigua City School District / 25,878 |
| 550. | 2.95 | Seneca Falls Central School District / 9,794 |
| 551. | 2.95 | Newark Central School District / 14,999 |
| 552. | 2.95 | New Hartford Central School District / 16,474 |
| 553. | 2.95 | Genesee Valley Central School District at Angelica-Belmont / 4,234 |
| 554. | 2.95 | Alden Central School District / 13,550 |
| 555. | 2.95 | Watervliet City School District / 10,917 |
| 556. | 2.95 | Clifton-Fine Central School District / 2,327 |
| 557. | 2.94 | Lyme Central School District / 2,475 |
| 558. | 2.94 | Roxbury Central School District / 2,863 |
| 559. | 2.94 | Hudson City School District / 15,952 |
| 560. | 2.94 | Pavilion Central School District / 4,695 |
| 561. | 2.94 | West Valley Central School District / 2,133 |
| 562. | 2.94 | Holland Central School District / 6,699 |
| 563. | 2.94 | Palmyra-Macedon Central School District / 12,180 |
| 564. | 2.94 | Cheektowaga-Sloan Union Free School District / 11,795 |
| 565. | 2.93 | Sodus Central School District / 7,773 |
| 566. | 2.93 | Chautauqua Lake Central School District / 5,778 |
| 567. | 2.93 | Glens Falls Common School District / 2,159 |
| 568. | 2.93 | Pembroke Central School District / 6,864 |
| 569. | 2.93 | Margaretville Central School District / 3,772 |
| 570. | 2.93 | Westport Central School District / 1,412 |
| 571. | 2.93 | Watkins Glen Central School District / 8,355 |
| 572. | 2.93 | Mattituck-Cutchogue Union Free School District / 9,593 |
| 573. | 2.93 | Keene Central School District / 954 |
| 574. | 2.93 | Horseheads Central School District / 26,894 |
| 575. | 2.93 | Beekmantown Central School District / 13,083 |
| 576. | 2.93 | Sag Harbor Union Free School District / 6,906 |
| 577. | 2.92 | Madrid-Waddington Central School District / 4,254 |
| 578. | 2.92 | Highland Central School District / 12,072 |
| 579. | 2.92 | Queensbury Union Free School District / 22,258 |
| 580. | 2.92 | Hammond Central School District / 2,234 |
| 581. | 2.91 | Sauquoit Valley Central School District / 7,035 |
| 582. | 2.91 | Odessa-Montour Central School District / 5,482 |
| 583. | 2.91 | Little Falls City School District / 7,544 |
| 584. | 2.91 | Hartford Central School District / 3,011 |
| 585. | 2.91 | Worcester Central School District / 2,747 |
| 586. | 2.91 | Chazy Union Free School District / 2,879 |
| 587. | 2.91 | Dansville Central School District / 10,120 |
| 588. | 2.91 | Fredonia Central School District / 14,825 |
| 589. | 2.90 | Peru Central School District / 12,873 |
| 590. | 2.90 | Bloomfield Central School District / 6,369 |
| 591. | 2.90 | Geneseo Central School District / 11,415 |
| 592. | 2.90 | Arkport Central School District / 3,004 |
| 593. | 2.90 | Geneva City School District / 17,556 |
| 594. | 2.90 | Glens Falls City School District / 15,004 |
| 595. | 2.90 | Gilboa-Conesville Central School District / 2,655 |
| 596. | 2.90 | LaFargeville Central School District / 3,179 |
| 597. | 2.89 | Fishers Island Union Free School District / 307 |
| 598. | 2.89 | Cuba-Rushford Central School District / 6,507 |
| 599. | 2.89 | Allegany-Limestone Central School District / 9,385 |
| 600. | 2.89 | Tuxedo Union Free School District / 2,622 |
| 601. | 2.89 | Wheatland-Chili Central School District / 6,004 |
| 602. | 2.88 | Parishville-Hopkinton Central School District / 2,667 |
| 603. | 2.88 | Ithaca City School District / 66,182 |
| 604. | 2.88 | Minerva Central School District / 648 |
| 605. | 2.87 | Hadley-Luzerne Central School District / 6,565 |
| 606. | 2.87 | Mayfield Central School District / 6,228 |
| 607. | 2.87 | AuSable Valley Central School District / 9,568 |
| 608. | 2.87 | Cooperstown Central School District / 6,387 |
| 609. | 2.87 | Putnam Central School District / 827 |
| 610. | 2.87 | Honeoye Central School District / 6,025 |
| 611. | 2.87 | Scio Central School District / 2,362 |
| 612. | 2.87 | Remsenburg-Speonk Union Free School District / 1,521 |
| 613. | 2.87 | Walton Central School District / 6,613 |
| 614. | 2.87 | Naples Central School District / 5,210 |
| 615. | 2.87 | Bath Central School District / 11,444 |
| 616. | 2.87 | Westhampton Beach Union Free School District / 5,590 |
| 617. | 2.87 | Bolivar-Richburg Central School District / 4,589 |
| 618. | 2.86 | Northeastern Clinton Central School District / 9,115 |
| 619. | 2.86 | Elmira Heights Central School District / 6,999 |
| 620. | 2.86 | Warrensburg Central School District / 5,576 |
| 621. | 2.86 | Forestville Central School District / 3,466 |
| 622. | 2.86 | Red Creek Central School District / 6,135 |
| 623. | 2.85 | Harrisville Central School District / 2,478 |
| 624. | 2.85 | Wells Central School District / 941 |
| 625. | 2.85 | Indian Lake Central School District / 1,447 |
| 626. | 2.85 | Salem Central School District / 3,844 |
| 627. | 2.85 | Westfield Central School District / 5,160 |
| 628. | 2.84 | Portville Central School District / 4,839 |
| 629. | 2.84 | Northern Adirondack Central School District / 6,463 |
| 630. | 2.84 | Dolgeville Central School District / 4,877 |
| 631. | 2.84 | Wellsville Central School District / 9,253 |
| 632. | 2.84 | Ogdensburg City School District / 11,466 |
| 633. | 2.83 | Thousand Islands Central School District / 8,032 |
| 634. | 2.83 | Cherry Valley-Springfield Central School District / 4,019 |
| 635. | 2.83 | Roscoe Central School District / 2,048 |
| 636. | 2.83 | Argyle Central School District / 4,188 |
| 637. | 2.83 | Madison Central School District / 3,125 |
| 638. | 2.82 | Johnsburg Central School District / 2,191 |
| 639. | 2.82 | Whitehall Central School District / 5,001 |
| 640. | 2.82 | Southold Union Free School District / 6,478 |
| 641. | 2.81 | Belfast Central School District / 2,266 |
| 642. | 2.81 | Bemus Point Central School District / 4,952 |
| 643. | 2.81 | New York Mills Union Free School District / 5,321 |
| 644. | 2.80 | Tupper Lake Central School District / 6,277 |
| 645. | 2.80 | Massena Central School District / 17,509 |
| 646. | 2.80 | Edinburg Common School District / 1,511 |
| 647. | 2.79 | Livingston Manor Central School District / 3,394 |
| 648. | 2.79 | Whitesville Central School District / 1,107 |
| 649. | 2.79 | Milford Central School District / 3,049 |
| 650. | 2.78 | Ripley Central School District / 1,549 |
| 651. | 2.77 | Morris Central School District / 2,333 |
| 652. | 2.77 | Ticonderoga Central School District / 5,715 |
| 653. | 2.77 | Johnstown City School District / 11,442 |
| 654. | 2.76 | Long Lake Central School District / 618 |
| 655. | 2.76 | Willsboro Central School District / 2,329 |
| 656. | 2.76 | New Lebanon Central School District / 4,220 |
| 657. | 2.76 | Canaseraga Central School District / 1,683 |
| 658. | 2.75 | Shelter Island Union Free School District / 2,624 |
| 659. | 2.75 | Sullivan West Central School District / 10,814 |
| 660. | 2.75 | Montauk Union Free School District / 3,559 |
| 661. | 2.74 | Saranac Lake Central School District / 13,861 |
| 662. | 2.73 | Northville Central School District / 2,949 |
| 663. | 2.73 | Lake Placid Central School District / 6,133 |
| 664. | 2.73 | Wheelerville Union Free School District / 1,397 |
| 665. | 2.72 | Delhi Central School District / 7,826 |
| 666. | 2.71 | Hammondsport Central School District / 4,166 |
| 667. | 2.71 | Oysterponds Union Free School District / 1,679 |
| 668. | 2.70 | Wainscott Common School District / 625 |
| 669. | 2.70 | Onteora Central School District / 15,534 |
| 670. | 2.70 | Newcomb Central School District / 516 |
| 671. | 2.69 | Bridgehampton Union Free School District / 1,038 |
| 672. | 2.69 | Laurens Central School District / 2,702 |
| 673. | 2.68 | North Warren Central School District / 4,759 |
| 674. | 2.68 | Schroon Lake Central School District / 1,894 |
| 675. | 2.67 | Inlet Common School District / 566 |
| 676. | 2.67 | Brocton Central School District / 4,725 |
| 677. | 2.65 | Colton-Pierrepont Central School District / 2,490 |
| 678. | 2.64 | Lake George Central School District / 6,808 |
| 679. | 2.57 | Bolton Central School District / 2,132 |
| 680. | 2.54 | Quogue Union Free School District / 782 |
| 681. | 2.51 | Lake Pleasant Central School District / 603 |
| 682. | 2.48 | Webb Town Union Free School District / 2,337 |
| 683. | 2.47 | Andes Central School District / 940 |
| 684. | 2.44 | Raquette Lake Union Free School District / 87 |
| 685. | 2.40 | New Suffolk Common School District / 313 |
Please note that we only rank locations with 'Average Family Size' data. The rank above might not be a complete list. Locations without 'Average Family Size' 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.
