| Rank | Average Family Size ▼ | School District / Population |
| 1. | 5.70 | Kiryas Joel Village Union Free School District / 20,175 |
| 2. | 4.22 | East Ramapo Central School District / 113,031 |
| 3. | 4.17 | Brentwood Union Free School District / 87,253 |
| 4. | 4.08 | Wyandanch Union Free School District / 11,702 |
| 5. | 4.03 | Westbury Union Free School District / 26,294 |
| 6. | 4.00 | Roosevelt Union Free School District / 17,626 |
| 7. | 3.93 | Central Islip Union Free School District / 37,383 |
| 8. | 3.92 | Uniondale Union Free School District / 42,067 |
| 9. | 3.72 | Hempstead Union Free School District / 44,278 |
| 10. | 3.68 | Valley Stream Union Free School District 30 / 17,623 |
| 10. | 3.68 | Elmont Union Free School District / 50,010 |
| 12. | 3.66 | Freeport Union Free School District / 39,967 |
| 13. | 3.60 | Copiague Union Free School District / 30,505 |
| 14. | 3.59 | Jasper-Troupsburg Central School District / 3,415 |
| 15. | 3.58 | Lawrence Union Free School District / 35,590 |
| 16. | 3.53 | West Hempstead Union Free School District / 17,116 |
| 17. | 3.51 | Sewanhaka Central High School District / 117,965 |
| 18. | 3.50 | Valley Stream Central High School District / 59,765 |
| 19. | 3.49 | William Floyd Union Free School District / 49,854 |
| 20. | 3.48 | Port Chester-Rye Union Free School District / 31,910 |
| 21. | 3.46 | Hicksville Union Free School District / 39,700 |
| 22. | 3.45 | Valley Stream Union Free School District 13 / 28,276 |
| 23. | 3.44 | Baldwin Union Free School District / 32,837 |
| 23. | 3.44 | New Hyde Park-Garden City Park Union Free School District / 22,808 |
| 25. | 3.43 | West Islip Union Free School District / 28,042 |
| 26. | 3.42 | Middle Country Central School District / 62,562 |
| 26. | 3.42 | East Islip Union Free School District / 25,176 |
| 26. | 3.42 | North Babylon Union Free School District / 30,052 |
| 29. | 3.41 | Wantagh Union Free School District / 17,808 |
| 29. | 3.41 | Deer Park Union Free School District / 25,760 |
| 29. | 3.41 | Island Trees Union Free School District / 15,424 |
| 29. | 3.41 | Elwood Union Free School District / 13,353 |
| 33. | 3.40 | Rye City School District / 14,677 |
| 33. | 3.40 | Monroe-Woodbury Central School District / 36,585 |
| 33. | 3.40 | Bay Shore Union Free School District / 33,374 |
| 33. | 3.40 | Haverstraw-Stony Point Central School District / 47,775 |
| 37. | 3.39 | Scarsdale Union Free School District / 17,929 |
| 37. | 3.39 | Floral Park-Bellerose Union Free School District / 20,078 |
| 37. | 3.39 | Sherman Central School District / 2,840 |
| 40. | 3.38 | Valley Stream Union Free School District 24 / 13,866 |
| 40. | 3.38 | Plainedge Union Free School District / 19,244 |
| 40. | 3.38 | Malverne Union Free School District / 14,901 |
| 40. | 3.38 | East Williston Union Free School District / 8,834 |
| 40. | 3.38 | Lindenhurst Union Free School District / 42,011 |
| 45. | 3.37 | Franklin Square Union Free School District / 25,069 |
| 45. | 3.37 | Eastport-South Manor Central School District / 18,927 |
| 47. | 3.36 | Levittown Union Free School District / 46,540 |
| 47. | 3.36 | East Meadow Union Free School District / 52,102 |
| 47. | 3.36 | Half Hollow Hills Central School District / 48,558 |
| 47. | 3.36 | Elmsford Union Free School District / 7,734 |
| 47. | 3.36 | Cold Spring Harbor Central School District / 8,556 |
| 47. | 3.36 | Amityville Union Free School District / 26,210 |
| 53. | 3.35 | Miller Place Union Free School District / 15,859 |
| 53. | 3.35 | North Merrick Union Free School District / 14,055 |
| 53. | 3.35 | West Babylon Union Free School District / 27,918 |
| 53. | 3.35 | Newburgh City School District / 65,923 |
| 53. | 3.35 | Sachem Central School District / 83,196 |
| 53. | 3.35 | Patchogue-Medford Union Free School District / 52,929 |
| 53. | 3.35 | Pine Valley Central School District / 4,454 |
| 60. | 3.34 | Islip Union Free School District / 19,401 |
| 60. | 3.34 | Randolph Central School District / 6,597 |
| 60. | 3.34 | Byram Hills Central School District / 11,405 |
| 60. | 3.34 | South Huntington Union Free School District / 38,650 |
| 60. | 3.34 | Mahopac Central School District / 26,662 |
| 60. | 3.34 | Pelham Union Free School District / 12,396 |
| 66. | 3.33 | Hewlett-Woodmere Union Free School District / 20,356 |
| 66. | 3.33 | Washingtonville Central School District / 24,399 |
| 66. | 3.33 | Pearl River Union Free School District / 15,564 |
| 66. | 3.33 | Rocky Point Union Free School District / 17,907 |
| 66. | 3.33 | North Bellmore Union Free School District / 26,085 |
| 66. | 3.33 | Minisink Valley Central School District / 23,035 |
| 66. | 3.33 | Brookhaven-Comsewogue Union Free School District / 23,752 |
| 73. | 3.32 | South Country Central School District / 29,858 |
| 73. | 3.32 | Garden City Union Free School District / 22,139 |
| 73. | 3.32 | Clymer Central School District / 3,208 |
| 73. | 3.32 | New York City Department Of Education / 8,175,133 |
| 73. | 3.32 | Herricks Union Free School District / 24,676 |
| 73. | 3.32 | Commack Union Free School District / 37,453 |
| 73. | 3.32 | Smithtown Central School District / 57,142 |
| 73. | 3.32 | Massapequa Union Free School District / 47,145 |
| 81. | 3.31 | Farmingdale Union Free School District / 39,909 |
| 82. | 3.30 | Seaford Union Free School District / 16,242 |
| 82. | 3.30 | Bronxville Union Free School District / 6,323 |
| 82. | 3.30 | New Rochelle City School District / 77,062 |
| 82. | 3.30 | Briarcliff Manor Union Free School District / 7,834 |
| 82. | 3.30 | Shoreham-Wading River Central School District / 12,878 |
| 82. | 3.30 | Bethpage Union Free School District / 19,166 |
| 82. | 3.30 | Manhasset Union Free School District / 16,166 |
| 89. | 3.29 | Bellmore-Merrick Central High School District / 70,643 |
| 90. | 3.28 | Center Moriches Union Free School District / 7,546 |
| 90. | 3.28 | Middletown City School District / 40,892 |
| 90. | 3.28 | Chappaqua Central School District / 16,126 |
| 90. | 3.28 | Highland Falls Central School District / 12,482 |
| 90. | 3.28 | Syosset Central School District / 34,200 |
| 95. | 3.27 | Clarkstown Central School District / 48,526 |
| 95. | 3.27 | Yorktown Central School District / 20,644 |
| 95. | 3.27 | Kings Park Central School District / 22,894 |
| 95. | 3.27 | Mount Sinai Union Free School District / 12,985 |
| 95. | 3.27 | Yonkers City School District / 195,976 |
| 95. | 3.27 | Edgemont Union Free School District / 7,454 |
| 95. | 3.27 | Harborfields Central School District / 18,722 |
| 95. | 3.27 | Springs Union Free School District / 6,592 |
| 95. | 3.27 | Fallsburg Central School District / 10,674 |
| 104. | 3.26 | Rye Neck Union Free School District / 8,657 |
| 104. | 3.26 | Nanuet Union Free School District / 13,468 |
| 104. | 3.26 | Rockville Centre Union Free School District / 21,962 |
| 104. | 3.26 | Heuvelton Central School District / 4,089 |
| 104. | 3.26 | South Orangetown Central School District / 21,190 |
| 104. | 3.26 | Ramapo Central School District / 28,617 |
| 104. | 3.26 | Cornwall Central School District / 16,841 |
| 104. | 3.26 | Connetquot Central School District / 40,162 |
| 104. | 3.26 | Goshen Central School District / 18,063 |
| 113. | 3.25 | Lakeland Central School District / 35,349 |
| 113. | 3.25 | Valley Central School District / 26,891 |
| 113. | 3.25 | Hauppauge Union Free School District / 23,481 |
| 113. | 3.25 | Sayville Union Free School District / 18,580 |
| 117. | 3.24 | Three Village Central School District / 48,424 |
| 117. | 3.24 | Ardsley Union Free School District / 9,616 |
| 117. | 3.24 | Pine Bush Central School District / 33,183 |
| 117. | 3.24 | Bellmore Union Free School District / 12,539 |
| 117. | 3.24 | Carle Place Union Free School District / 9,416 |
| 117. | 3.24 | Harrison Central School District / 27,483 |
| 117. | 3.24 | Pleasantville Union Free School District / 8,102 |
| 117. | 3.24 | Great Neck Union Free School District / 44,580 |
| 117. | 3.24 | Fort Plain Central School District / 5,592 |
| 126. | 3.23 | Florida Union Free School District / 4,991 |
| 126. | 3.23 | Oceanside Union Free School District / 36,847 |
| 126. | 3.23 | Dundee Central School District / 6,524 |
| 126. | 3.23 | Mount Pleasant Central School District / 12,955 |
| 126. | 3.23 | Huntington Union Free School District / 34,810 |
| 131. | 3.22 | Glen Cove City School District / 26,964 |
| 131. | 3.22 | Wallkill Central School District / 20,628 |
| 131. | 3.22 | Peekskill City School District / 22,370 |
| 131. | 3.22 | Plainview-Old Bethpage Central School District / 28,676 |
| 131. | 3.22 | Mount Vernon City School District / 67,292 |
| 131. | 3.22 | Merrick Union Free School District / 17,964 |
| 131. | 3.22 | Locust Valley Central School District / 15,620 |
| 131. | 3.22 | Tuckahoe Common School District / 3,350 |
| 131. | 3.22 | Bayport-Blue Point Union Free School District / 13,965 |
| 131. | 3.22 | Roslyn Union Free School District / 17,435 |
| 141. | 3.21 | Blind Brook-Rye Union Free School District / 6,393 |
| 141. | 3.21 | Lynbrook Union Free School District / 17,607 |
| 141. | 3.21 | Mamaroneck Union Free School District / 28,393 |
| 141. | 3.21 | North Salem Central School District / 7,438 |
| 145. | 3.20 | Putnam Valley Central School District / 10,706 |
| 145. | 3.20 | Arlington Central School District / 58,107 |
| 147. | 3.19 | Jericho Union Free School District / 17,348 |
| 147. | 3.19 | Mineola Union Free School District / 23,533 |
| 147. | 3.19 | Brewster Central School District / 22,139 |
| 147. | 3.19 | Carmel Central School District / 30,273 |
| 147. | 3.19 | Warwick Valley Central School District / 23,647 |
| 147. | 3.19 | North Shore Central School District / 16,334 |
| 147. | 3.19 | Wappingers Central School District / 73,111 |
| 147. | 3.19 | Northport-East Northport Union Free School District / 36,113 |
| 155. | 3.18 | Ossining Union Free School District / 34,230 |
| 155. | 3.18 | Katonah-Lewisboro Union Free School District / 18,229 |
| 155. | 3.18 | Longwood Central School District / 65,435 |
| 155. | 3.18 | LaFargeville Central School District / 3,093 |
| 155. | 3.18 | Hampton Bays Union Free School District / 13,136 |
| 160. | 3.17 | Valhalla Union Free School District / 9,604 |
| 160. | 3.17 | Babylon Union Free School District / 11,797 |
| 160. | 3.17 | Poughkeepsie City School District / 32,602 |
| 160. | 3.17 | Pocantico Hills Central School District / 4,402 |
| 160. | 3.17 | Bedford Central School District / 28,644 |
| 160. | 3.17 | Island Park Union Free School District / 8,370 |
| 166. | 3.16 | Utica City School District / 62,275 |
| 166. | 3.16 | Westhampton Beach Union Free School District / 5,571 |
| 166. | 3.16 | Irvington Union Free School District / 9,215 |
| 166. | 3.16 | Chester Union Free School District / 6,448 |
| 166. | 3.16 | The Tarrytowns Union Free School District / 19,514 |
| 166. | 3.16 | Port Washington Union Free School District / 31,071 |
| 166. | 3.16 | East Rockaway Union Free School District / 9,767 |
| 173. | 3.15 | Fillmore Central School District / 5,204 |
| 173. | 3.15 | Rochester City School District / 210,596 |
| 173. | 3.15 | Marlboro Central School District / 12,688 |
| 173. | 3.15 | Clarence Central School District / 27,832 |
| 173. | 3.15 | Gananda Central School District / 5,640 |
| 178. | 3.14 | East Quogue Union Free School District / 4,643 |
| 178. | 3.14 | Syracuse City School District / 145,259 |
| 178. | 3.14 | Hermon-DeKalb Central School District / 2,645 |
| 178. | 3.14 | Pawling Central School District / 9,030 |
| 178. | 3.14 | Owen D. Young Central School District / 1,624 |
| 178. | 3.14 | Oyster Bay-East Norwich Central School District / 13,207 |
| 184. | 3.13 | Eastchester Union Free School District / 18,602 |
| 184. | 3.13 | Salmon River Central School District / 7,455 |
| 184. | 3.13 | Romulus Central School District / 5,109 |
| 184. | 3.13 | Clyde-Savannah Central School District / 5,507 |
| 184. | 3.13 | Tuckahoe Union Free School District / 7,438 |
| 189. | 3.12 | White Plains City School District / 56,853 |
| 189. | 3.12 | Barker Central School District / 5,079 |
| 189. | 3.12 | Hendrick Hudson Central School District / 16,618 |
| 192. | 3.11 | East Moriches Union Free School District / 5,755 |
| 192. | 3.11 | Spackenkill Union Free School District / 8,870 |
| 192. | 3.11 | Georgetown-South Otselic Central School District / 2,745 |
| 192. | 3.11 | Nyack Union Free School District / 23,526 |
| 196. | 3.10 | Lisbon Central School District / 4,401 |
| 196. | 3.10 | Schenectady City School District / 66,116 |
| 196. | 3.10 | Port Jervis City School District / 17,498 |
| 196. | 3.10 | Croton-Harmon Union Free School District / 9,454 |
| 200. | 3.09 | Friendship Central School District / 2,181 |
| 200. | 3.09 | Dover Union Free School District / 10,260 |
| 200. | 3.09 | Dobbs Ferry Union Free School District / 9,499 |
| 200. | 3.09 | Altmar-Parish-Williamstown Central School District / 7,356 |
| 200. | 3.09 | Oakfield-Alabama Central School District / 5,441 |
| 205. | 3.08 | Elba Central School District / 2,772 |
| 205. | 3.08 | Somers Central School District / 19,543 |
| 205. | 3.08 | Cincinnatus Central School District / 3,821 |
| 208. | 3.07 | Beaver River Central School District / 5,548 |
| 208. | 3.07 | Starpoint Central School District / 17,830 |
| 208. | 3.07 | Indian River Central School District / 13,232 |
| 208. | 3.07 | Highland Central School District / 12,514 |
| 208. | 3.07 | Buffalo City School District / 261,310 |
| 213. | 3.06 | Victor Central School District / 22,766 |
| 213. | 3.06 | Lyndonville Central School District / 4,146 |
| 213. | 3.06 | Orchard Park Central School District / 32,987 |
| 213. | 3.06 | Beacon City School District / 27,294 |
| 213. | 3.06 | Honeoye Falls-Lima Central School District / 13,753 |
| 213. | 3.06 | Fabius-Pompey Central School District / 4,821 |
| 213. | 3.06 | North Collins Central School District / 4,186 |
| 213. | 3.06 | Greenwood Lake Union Free School District / 6,189 |
| 213. | 3.06 | Copenhagen Central School District / 2,872 |
| 213. | 3.06 | Riverhead Central School District / 38,457 |
| 213. | 3.06 | West Canada Valley Central School District / 4,714 |
| 213. | 3.06 | Spencerport Central School District / 23,676 |
| 213. | 3.06 | Tioga Central School District / 5,638 |
| 213. | 3.06 | Lowville Academy and Central School District / 8,762 |
| 213. | 3.06 | East Hampton Union Free School District / 8,540 |
| 228. | 3.05 | Alexander Central School District / 5,217 |
| 228. | 3.05 | Addison Central School District / 7,115 |
| 228. | 3.05 | Schuylerville Central School District / 9,881 |
| 228. | 3.05 | Onondaga Central School District / 5,828 |
| 228. | 3.05 | Whitesville Central School District / 1,125 |
| 233. | 3.04 | Brockport Central School District / 27,321 |
| 233. | 3.04 | Marcus Whitman Central School District / 10,019 |
| 233. | 3.04 | Pittsford Central School District / 33,975 |
| 233. | 3.04 | Hilton Central School District / 26,553 |
| 233. | 3.04 | Hannibal Central School District / 8,212 |
| 233. | 3.04 | Fayetteville-Manlius Central School District / 25,090 |
| 233. | 3.04 | South Jefferson Central School District / 11,237 |
| 233. | 3.04 | Hastings-on-Hudson Union Free School District / 8,514 |
| 233. | 3.04 | Bethlehem Central School District / 27,878 |
| 233. | 3.04 | Brasher Falls Central School District / 5,837 |
| 233. | 3.04 | Andover Central School District / 2,196 |
| 244. | 3.03 | Scio Central School District / 2,330 |
| 244. | 3.03 | Grand Island Central School District / 20,374 |
| 244. | 3.03 | Red Hook Central School District / 14,033 |
| 244. | 3.03 | Liberty Central School District / 10,650 |
| 244. | 3.03 | Fonda-Fultonville Central School District / 8,746 |
| 244. | 3.03 | Tully Central School District / 5,968 |
| 244. | 3.03 | Williamsville Central School District / 72,714 |
| 244. | 3.03 | Lancaster Central School District / 40,398 |
| 244. | 3.03 | Eden Central School District / 9,957 |
| 244. | 3.03 | Greenburgh Central School District / 21,801 |
| 244. | 3.03 | DeRuyter Central School District / 2,854 |
| 255. | 3.02 | Monticello Central School District / 21,934 |
| 255. | 3.02 | Cato-Meridian Central School District / 5,818 |
| 255. | 3.02 | North Syracuse Central School District / 59,027 |
| 255. | 3.02 | Hyde Park Central School District / 32,065 |
| 255. | 3.02 | Churchville-Chili Central School District / 27,380 |
| 255. | 3.02 | Waterville Central School District / 5,820 |
| 255. | 3.02 | Morrisville-Eaton Central School District / 6,716 |
| 255. | 3.02 | Brookfield Central School District / 1,459 |
| 255. | 3.02 | Millbrook Central School District / 7,905 |
| 255. | 3.02 | Gouverneur Central School District / 11,199 |
| 255. | 3.02 | Marcellus Central School District / 10,311 |
| 255. | 3.02 | Hoosic Valley Central School District / 6,679 |
| 267. | 3.01 | Haldane Central School District / 5,421 |
| 267. | 3.01 | Carthage Central School District / 14,592 |
| 267. | 3.01 | Southampton Union Free School District / 10,093 |
| 267. | 3.01 | Kendall Central School District / 5,146 |
| 267. | 3.01 | Harpursville Central School District / 5,268 |
| 267. | 3.01 | General Brown Central School District / 8,909 |
| 267. | 3.01 | Marathon Central School District / 4,526 |
| 267. | 3.01 | Fulton City School District / 20,616 |
| 267. | 3.01 | Akron Central School District / 9,659 |
| 267. | 3.01 | Northeast Central School District / 6,750 |
| 267. | 3.01 | Morristown Central School District / 2,639 |
| 267. | 3.01 | Webster Central School District / 55,982 |
| 267. | 3.01 | Avoca Central School District / 3,695 |
| 280. | 3.00 | Jordan-Elbridge Central School District / 9,065 |
| 280. | 3.00 | Gowanda Central School District / 11,537 |
| 280. | 3.00 | Hamburg Central School District / 24,568 |
| 280. | 3.00 | East Aurora Union Free School District / 12,828 |
| 280. | 3.00 | Tuxedo Union Free School District / 2,680 |
| 280. | 3.00 | Holland Patent Central School District / 9,411 |
| 280. | 3.00 | Mexico Central School District / 12,289 |
| 280. | 3.00 | Hornell City School District / 10,765 |
| 280. | 3.00 | Byron-Bergen Central School District / 7,318 |
| 280. | 3.00 | Central Square Central School District / 25,262 |
| 280. | 3.00 | Port Jefferson Union Free School District / 7,570 |
| 280. | 3.00 | Glens Falls Common School District / 2,325 |
| 280. | 3.00 | Pulaski Central School District / 5,966 |
| 280. | 3.00 | Belfast Central School District / 2,347 |
| 280. | 3.00 | Belleville Henderson Central School District / 3,237 |
| 280. | 3.00 | Lackawanna City School District / 18,141 |
| 280. | 3.00 | Jamesville-DeWitt Central School District / 18,577 |
| 297. | 2.99 | New Paltz Central School District / 19,569 |
| 297. | 2.99 | Stockbridge Valley Central School District / 2,885 |
| 297. | 2.99 | Madison Central School District / 3,064 |
| 297. | 2.99 | Tri-Valley Central School District / 6,402 |
| 297. | 2.99 | Niagara-Wheatfield Central School District / 27,558 |
| 297. | 2.99 | Hoosick Falls Central School District / 7,967 |
| 297. | 2.99 | Duanesburg Central School District / 5,119 |
| 297. | 2.99 | North Colonie Central School District / 39,534 |
| 297. | 2.99 | Averill Park Central School District / 19,313 |
| 297. | 2.99 | Niskayuna Central School District / 23,182 |
| 297. | 2.99 | Albion Central School District / 15,392 |
| 297. | 2.99 | North Rose-Wolcott Central School District / 8,952 |
| 297. | 2.99 | Shenendehowa Central School District / 62,406 |
| 297. | 2.99 | Penn Yan Central School District / 15,221 |
| 297. | 2.99 | Weedsport Central School District / 5,375 |
| 297. | 2.99 | Homer Central School District / 12,531 |
| 297. | 2.99 | Brocton Central School District / 4,784 |
| 297. | 2.99 | Marion Central School District / 5,699 |
| 297. | 2.99 | Medina Central School District / 11,216 |
| 297. | 2.99 | Deposit Central School District / 3,888 |
| 297. | 2.99 | Windsor Central School District / 10,775 |
| 297. | 2.99 | Wyoming Central School District / 1,755 |
| 297. | 2.99 | Fort Edward Union Free School District / 3,315 |
| 297. | 2.99 | West Genesee Central School District / 31,468 |
| 321. | 2.98 | Westhill Central School District / 12,623 |
| 321. | 2.98 | Greenville Central School District / 8,326 |
| 321. | 2.98 | Corinth Central School District / 7,576 |
| 321. | 2.98 | Hammond Central School District / 1,812 |
| 321. | 2.98 | Attica Central School District / 13,793 |
| 321. | 2.98 | Iroquois Central School District / 17,069 |
| 321. | 2.98 | Edwards-Knox Central School District / 3,401 |
| 321. | 2.98 | Rush-Henrietta Central School District / 51,588 |
| 321. | 2.98 | Port Byron Central School District / 6,397 |
| 321. | 2.98 | Oriskany Central School District / 4,848 |
| 321. | 2.98 | South Seneca Central School District / 7,153 |
| 321. | 2.98 | Letchworth Central School District / 6,002 |
| 321. | 2.98 | Schodack Central School District / 6,395 |
| 321. | 2.98 | Brushton-Moira Central School District / 4,797 |
| 321. | 2.98 | Sauquoit Valley Central School District / 6,700 |
| 321. | 2.98 | Camden Central School District / 13,328 |
| 321. | 2.98 | Albany City School District / 97,839 |
| 321. | 2.98 | St. Johnsville Central School District / 3,324 |
| 339. | 2.97 | Granville Central School District / 7,638 |
| 339. | 2.97 | Skaneateles Central School District / 8,945 |
| 339. | 2.97 | Hartford Central School District / 3,027 |
| 339. | 2.97 | Red Creek Central School District / 5,516 |
| 339. | 2.97 | Alden Central School District / 14,052 |
| 339. | 2.97 | Mount Markham Central School District / 7,273 |
| 339. | 2.97 | Sharon Springs Central School District / 2,103 |
| 339. | 2.97 | St. Regis Falls Central School District / 2,069 |
| 339. | 2.97 | Royalton-Hartland Central School District / 9,071 |
| 339. | 2.97 | Phoenix Central School District / 12,188 |
| 339. | 2.97 | Guilderland Central School District / 36,131 |
| 339. | 2.97 | Sackets Harbor Central School District / 3,207 |
| 339. | 2.97 | Whitney Point Central School District / 9,080 |
| 339. | 2.97 | Wilson Central School District / 8,430 |
| 339. | 2.97 | South Glens Falls Central School District / 19,546 |
| 339. | 2.97 | Sodus Central School District / 7,686 |
| 339. | 2.97 | Oneida City School District / 15,565 |
| 339. | 2.97 | Groton Central School District / 6,024 |
| 339. | 2.97 | Cattaraugus-Little Valley Central School District / 6,675 |
| 339. | 2.97 | Dolgeville Central School District / 5,362 |
| 359. | 2.96 | McGraw Central School District / 3,559 |
| 359. | 2.96 | Wayne Central School District / 15,070 |
| 359. | 2.96 | Mechanicville City School District / 9,536 |
| 359. | 2.96 | Newfane Central School District / 10,595 |
| 359. | 2.96 | Frankfort-Schuyler Central School District / 7,502 |
| 359. | 2.96 | Fairport Central School District / 40,174 |
| 359. | 2.96 | Parishville-Hopkinton Central School District / 2,907 |
| 359. | 2.96 | Remsenburg-Speonk Union Free School District / 1,953 |
| 359. | 2.96 | Caledonia-Mumford Central School District / 5,744 |
| 359. | 2.96 | Ellenville Central School District / 12,869 |
| 359. | 2.96 | Bolivar-Richburg Central School District / 4,547 |
| 359. | 2.96 | Alfred-Almond Central School District / 7,414 |
| 359. | 2.96 | Campbell-Savona Central School District / 5,647 |
| 359. | 2.96 | Newark Valley Central School District / 7,784 |
| 359. | 2.96 | Springville-Griffith Institute Central School District / 13,422 |
| 359. | 2.96 | Susquehanna Valley Central School District / 10,954 |
| 359. | 2.96 | Evans-Brant Central School District / 17,797 |
| 359. | 2.96 | Bradford Central School District / 2,063 |
| 359. | 2.96 | Sherrill City School District / 12,553 |
| 359. | 2.96 | Poland Central School District / 4,323 |
| 359. | 2.96 | Cazenovia Central School District / 10,532 |
| 359. | 2.96 | Greenwich Central School District / 6,686 |
| 359. | 2.96 | Lansingburgh Central School District / 17,151 |
| 359. | 2.96 | Canajoharie Central School District / 6,320 |
| 359. | 2.96 | Ballston Spa Central School District / 27,535 |
| 359. | 2.96 | Ripley Central School District / 2,056 |
| 359. | 2.96 | Phelps-Clifton Springs Central School District / 11,506 |
| 359. | 2.96 | Pavilion Central School District / 4,718 |
| 359. | 2.96 | Frontier Central School District / 35,885 |
| 388. | 2.95 | Baldwinsville Central School District / 35,258 |
| 388. | 2.95 | Williamson Central School District / 6,847 |
| 388. | 2.95 | Warsaw Central School District / 6,415 |
| 388. | 2.95 | Yorkshire-Pioneer Central School District / 16,029 |
| 388. | 2.95 | Cambridge Central School District / 6,547 |
| 388. | 2.95 | Long Beach City School District / 38,655 |
| 388. | 2.95 | Mattituck-Cutchogue Union Free School District / 9,193 |
| 388. | 2.95 | Brunswick Central School District (Brittonkill) / 7,903 |
| 388. | 2.95 | Burnt Hills-Ballston Lake Central School District / 18,789 |
| 388. | 2.95 | Fort Ann Central School District / 5,830 |
| 388. | 2.95 | Greece Central School District / 82,633 |
| 388. | 2.95 | Little Falls City School District / 7,343 |
| 388. | 2.95 | Chenango Forks Central School District / 9,779 |
| 388. | 2.95 | Watertown City School District / 30,934 |
| 388. | 2.95 | Eldred Central School District / 5,156 |
| 388. | 2.95 | Frewsburg Central School District / 4,904 |
| 388. | 2.95 | Ilion Central School District / 9,484 |
| 405. | 2.94 | Whitesboro Central School District / 26,133 |
| 405. | 2.94 | Panama Central School District / 3,502 |
| 405. | 2.94 | Canisteo-Greenwood Central School District / 5,884 |
| 405. | 2.94 | Canandaigua City School District / 25,745 |
| 405. | 2.94 | Amsterdam City School District / 25,711 |
| 405. | 2.94 | Canton Central School District / 11,821 |
| 405. | 2.94 | Binghamton City School District / 47,376 |
| 405. | 2.94 | Argyle Central School District / 3,996 |
| 405. | 2.94 | Cassadaga Valley Central School District / 7,154 |
| 405. | 2.94 | Broadalbin-Perth Central School District / 11,286 |
| 405. | 2.94 | Coxsackie-Athens Central School District / 12,764 |
| 405. | 2.94 | Gates-Chili Central School District / 33,006 |
| 405. | 2.94 | Elmira City School District / 48,734 |
| 405. | 2.94 | Holley Central School District / 7,720 |
| 405. | 2.94 | West Irondequoit Central School District / 23,754 |
| 405. | 2.94 | Vestal Central School District / 31,793 |
| 405. | 2.94 | Prattsburgh Central School District / 2,839 |
| 405. | 2.94 | Kingston City School District / 51,596 |
| 405. | 2.94 | Pembroke Central School District / 6,816 |
| 405. | 2.94 | Westmoreland Central School District / 6,377 |
| 405. | 2.94 | Norwood-Norfolk Central School District / 6,652 |
| 405. | 2.94 | Stillwater Central School District / 7,444 |
| 427. | 2.93 | Waverly Central School District / 10,086 |
| 427. | 2.93 | Greene Central School District / 6,971 |
| 427. | 2.93 | Saratoga Springs City School District / 49,070 |
| 427. | 2.93 | Canastota Central School District / 9,917 |
| 427. | 2.93 | Hudson Falls Central School District / 15,389 |
| 427. | 2.93 | Sherburne-Earlville Central School District / 8,599 |
| 427. | 2.93 | Liverpool Central School District / 50,947 |
| 427. | 2.93 | Spencer-Van Etten Central School District / 6,087 |
| 427. | 2.93 | Southern Cayuga Central School District / 6,599 |
| 427. | 2.93 | Le Roy Central School District / 8,405 |
| 427. | 2.93 | Berne-Knox-Westerlo Central School District / 6,602 |
| 427. | 2.93 | Binghamton Common School District / 468 |
| 427. | 2.93 | Jamestown City School District / 32,517 |
| 427. | 2.93 | Holland Central School District / 6,907 |
| 427. | 2.93 | Livonia Central School District / 10,900 |
| 427. | 2.93 | Edmeston Central School District / 2,955 |
| 427. | 2.93 | East Greenbush Central School District / 29,561 |
| 427. | 2.93 | Penfield Central School District / 30,712 |
| 427. | 2.93 | Corning City School District / 34,133 |
| 427. | 2.93 | Peru Central School District / 13,328 |
| 427. | 2.93 | Sandy Creek Central School District / 5,720 |
| 427. | 2.93 | York Central School District / 5,229 |
| 427. | 2.93 | Ravena-Coeymans-Selkirk Central School District / 14,064 |
| 427. | 2.93 | Brighton Central School District / 24,163 |
| 451. | 2.92 | Kinderhook Central School District / 13,856 |
| 451. | 2.92 | Unadilla Valley Central School District / 5,602 |
| 451. | 2.92 | Johnson City Central School District / 20,127 |
| 451. | 2.92 | Newark Central School District / 15,174 |
| 451. | 2.92 | Afton Central School District / 3,974 |
| 451. | 2.92 | Morris Central School District / 2,696 |
| 451. | 2.92 | Lyons Central School District / 6,746 |
| 451. | 2.92 | Moravia Central School District / 7,584 |
| 451. | 2.92 | Lockport City School District / 36,270 |
| 451. | 2.92 | Maine-Endwell Central School District / 15,013 |
| 451. | 2.92 | Saugerties Central School District / 20,744 |
| 451. | 2.92 | Amherst Central School District / 23,962 |
| 451. | 2.92 | Avon Central School District / 7,255 |
| 451. | 2.92 | South Lewis Central School District / 6,803 |
| 451. | 2.92 | Lansing Central School District / 7,354 |
| 451. | 2.92 | South Colonie Central School District / 39,307 |
| 451. | 2.92 | Jefferson Central School District / 1,871 |
| 451. | 2.92 | Union Springs Central School District / 6,241 |
| 451. | 2.92 | Hinsdale Central School District / 2,979 |
| 451. | 2.92 | Whitehall Central School District / 4,939 |
| 451. | 2.92 | Palmyra-Macedon Central School District / 13,054 |
| 451. | 2.92 | Oppenheim-Ephratah Central School District / 2,725 |
| 451. | 2.92 | Genesee Valley Central School District at Angelica-Belmont / 4,036 |
| 451. | 2.92 | Cleveland Hill Union Free School District / 11,251 |
| 451. | 2.92 | Gloversville City School District / 19,244 |
| 451. | 2.92 | Queensbury Union Free School District / 22,046 |
| 451. | 2.92 | Galway Central School District / 7,029 |
| 451. | 2.92 | Oxford Academy and Central School District / 5,359 |
| 451. | 2.92 | Franklinville Central School District / 4,675 |
| 451. | 2.92 | Salamanca City School District / 7,712 |
| 481. | 2.91 | Dansville Central School District / 10,145 |
| 481. | 2.91 | East Syracuse-Minoa Central School District / 22,315 |
| 481. | 2.91 | Berlin Central School District / 6,638 |
| 481. | 2.91 | Oswego City School District / 33,089 |
| 481. | 2.91 | Sweet Home Central School District / 36,410 |
| 481. | 2.91 | Dunkirk City School District / 14,101 |
| 481. | 2.91 | Rome City School District / 39,104 |
| 481. | 2.91 | Troy City School District / 40,880 |
| 481. | 2.91 | Chittenango Central School District / 13,920 |
| 481. | 2.91 | Rensselaer City School District / 9,312 |
| 481. | 2.91 | Keshequa Central School District / 5,195 |
| 481. | 2.91 | Bloomfield Central School District / 6,564 |
| 481. | 2.91 | Sag Harbor Union Free School District / 6,741 |
| 481. | 2.91 | Candor Central School District / 5,332 |
| 481. | 2.91 | Niagara Falls City School District / 50,193 |
| 481. | 2.91 | Newfield Central School District / 5,446 |
| 481. | 2.91 | Cortland City School District / 24,558 |
| 481. | 2.91 | Remsen Central School District / 3,177 |
| 481. | 2.91 | Silver Creek Central School District / 6,179 |
| 481. | 2.91 | Adirondack Central School District / 8,676 |
| 481. | 2.91 | Scotia-Glenville Central School District / 18,677 |
| 502. | 2.90 | Wainscott Common School District / 657 |
| 502. | 2.90 | Alexandria Central School District / 3,871 |
| 502. | 2.90 | Cuba-Rushford Central School District / 6,402 |
| 502. | 2.90 | Portville Central School District / 4,993 |
| 502. | 2.90 | Norwich City School District / 13,368 |
| 502. | 2.90 | Wayland-Cohocton Central School District / 9,445 |
| 502. | 2.90 | Ogdensburg City School District / 11,574 |
| 502. | 2.90 | Saranac Central School District / 13,043 |
| 502. | 2.90 | Rondout Valley Central School District / 16,868 |
| 502. | 2.90 | Schalmont Central School District / 13,872 |
| 502. | 2.90 | West Valley Central School District / 2,236 |
| 502. | 2.90 | Geneva City School District / 17,490 |
| 502. | 2.90 | LaFayette Central School District / 5,017 |
| 502. | 2.90 | Tonawanda City School District / 15,130 |
| 502. | 2.90 | Taconic Hills Central School District / 12,275 |
| 502. | 2.90 | Geneseo Central School District / 11,525 |
| 502. | 2.90 | Owego-Apalachin Central School District / 14,608 |
| 502. | 2.90 | New Hartford Central School District / 16,975 |
| 502. | 2.90 | Westport Central School District / 1,408 |
| 502. | 2.90 | Horseheads Central School District / 26,943 |
| 502. | 2.90 | North Greenbush Common School District / 1,749 |
| 523. | 2.89 | Cobleskill-Richmondville Central School District / 14,295 |
| 523. | 2.89 | West Seneca Central School District / 53,795 |
| 523. | 2.89 | North Tonawanda City School District / 31,568 |
| 523. | 2.89 | Greenport Union Free School District / 4,484 |
| 523. | 2.89 | Herkimer Central School District / 10,060 |
| 523. | 2.89 | Northern Adirondack Central School District / 6,570 |
| 523. | 2.89 | Waterloo Central School District / 12,082 |
| 523. | 2.89 | Depew Union Free School District / 16,096 |
| 523. | 2.89 | Chateaugay Central School District / 3,568 |
| 523. | 2.89 | East Rochester Union Free School District / 8,945 |
| 523. | 2.89 | Elmira Heights Central School District / 6,976 |
| 523. | 2.89 | Potsdam Central School District / 14,868 |
| 523. | 2.89 | Richfield Springs Central School District / 4,154 |
| 523. | 2.89 | Perry Central School District / 6,214 |
| 523. | 2.89 | Dryden Central School District / 13,012 |
| 523. | 2.89 | Westfield Central School District / 5,095 |
| 523. | 2.89 | Manchester-Shortsville Central School District / 6,036 |
| 523. | 2.89 | Hudson City School District / 16,078 |
| 523. | 2.89 | Johnstown City School District / 11,690 |
| 523. | 2.89 | Kenmore-Tonawanda Union Free School District / 67,410 |
| 523. | 2.89 | Olean City School District / 15,838 |
| 523. | 2.89 | Allegany-Limestone Central School District / 9,475 |
| 523. | 2.89 | Malone Central School District / 19,958 |
| 523. | 2.89 | Batavia City School District / 19,073 |
| 523. | 2.89 | Lyme Central School District / 2,342 |
| 523. | 2.89 | Warrensburg Central School District / 5,808 |
| 549. | 2.88 | Garrison Union Free School District / 2,729 |
| 549. | 2.88 | Lewiston-Porter Central School District / 18,851 |
| 549. | 2.88 | Mohawk Central School District / 5,502 |
| 549. | 2.88 | Pine Plains Central School District / 9,080 |
| 549. | 2.88 | Germantown Central School District / 4,660 |
| 549. | 2.88 | Charlotte Valley Central School District / 3,047 |
| 549. | 2.88 | Madrid-Waddington Central School District / 4,430 |
| 549. | 2.88 | Wynantskill Union Free School District / 3,530 |
| 549. | 2.88 | Solvay Union Free School District / 9,892 |
| 549. | 2.88 | Harrisville Central School District / 2,350 |
| 549. | 2.88 | Bainbridge-Guilford Central School District / 5,406 |
| 549. | 2.88 | Seneca Falls Central School District / 9,838 |
| 549. | 2.88 | Mount Morris Central School District / 5,808 |
| 549. | 2.88 | Catskill Central School District / 12,473 |
| 549. | 2.88 | Wellsville Central School District / 9,262 |
| 549. | 2.88 | Waterford-Halfmoon Union Free School District / 5,784 |
| 565. | 2.87 | Cohoes City School District / 16,168 |
| 565. | 2.87 | Canaseraga Central School District / 1,697 |
| 565. | 2.87 | Voorheesville Central School District / 7,226 |
| 565. | 2.87 | Worcester Central School District / 2,518 |
| 565. | 2.87 | Chenango Valley Central School District / 12,995 |
| 565. | 2.87 | Rotterdam-Mohonasen Central School District / 20,336 |
| 565. | 2.87 | Chazy Union Free School District / 3,067 |
| 565. | 2.87 | Auburn City School District / 33,825 |
| 565. | 2.87 | Glens Falls City School District / 15,095 |
| 565. | 2.87 | Cheektowaga-Sloan Union Free School District / 11,280 |
| 565. | 2.87 | Moriah Central School District / 4,797 |
| 576. | 2.86 | Inlet Common School District / 333 |
| 576. | 2.86 | Watervliet City School District / 11,009 |
| 576. | 2.86 | Northeastern Clinton Central School District / 9,025 |
| 576. | 2.86 | Lyncourt Union Free School District / 3,729 |
| 576. | 2.86 | Ellicottville Central School District / 3,462 |
| 576. | 2.86 | Otego-Unadilla Central School District / 6,828 |
| 576. | 2.86 | Fredonia Central School District / 14,732 |
| 576. | 2.86 | Livingston Manor Central School District / 3,483 |
| 576. | 2.86 | Schoharie Central School District / 6,725 |
| 576. | 2.86 | Falconer Central School District / 7,329 |
| 576. | 2.86 | Middleburgh Central School District / 6,433 |
| 576. | 2.86 | Schenevus Central School District / 2,505 |
| 576. | 2.86 | Chatham Central School District / 9,459 |
| 576. | 2.86 | Walton Central School District / 6,801 |
| 576. | 2.86 | Union-Endicott Central School District / 31,710 |
| 591. | 2.85 | Watkins Glen Central School District / 8,130 |
| 591. | 2.85 | Southold Union Free School District / 6,332 |
| 591. | 2.85 | Hadley-Luzerne Central School District / 6,585 |
| 591. | 2.85 | Arkport Central School District / 3,097 |
| 591. | 2.85 | Forestville Central School District / 3,736 |
| 591. | 2.85 | Cherry Valley-Springfield Central School District / 3,958 |
| 591. | 2.85 | Fire Island Union Free School District / 408 |
| 591. | 2.85 | Odessa-Montour Central School District / 5,693 |
| 591. | 2.85 | Beekmantown Central School District / 13,387 |
| 591. | 2.85 | Thousand Islands Central School District / 7,923 |
| 591. | 2.85 | Cairo-Durham Central School District / 9,794 |
| 602. | 2.84 | Bridgehampton Union Free School District / 1,519 |
| 602. | 2.84 | Bath Central School District / 11,380 |
| 602. | 2.84 | Massena Central School District / 17,243 |
| 602. | 2.84 | Crown Point Central School District / 2,011 |
| 602. | 2.84 | Chautauqua Lake Central School District / 5,781 |
| 602. | 2.84 | Ticonderoga Central School District / 5,687 |
| 602. | 2.84 | Menands Union Free School District / 3,883 |
| 602. | 2.84 | Hancock Central School District / 2,724 |
| 602. | 2.84 | Franklin Central School District / 2,066 |
| 602. | 2.84 | Clinton Central School District / 11,820 |
| 602. | 2.84 | Wheatland-Chili Central School District / 5,655 |
| 613. | 2.83 | Cooperstown Central School District / 6,743 |
| 613. | 2.83 | Rhinebeck Central School District / 9,711 |
| 613. | 2.83 | Cheektowaga Central School District / 21,116 |
| 613. | 2.83 | Southwestern Central School District / 9,613 |
| 613. | 2.83 | Cheektowaga-Maryvale Union Free School District / 18,609 |
| 613. | 2.83 | South Kortright Central School District / 2,842 |
| 619. | 2.82 | Mayfield Central School District / 6,157 |
| 619. | 2.82 | Green Island Union Free School District / 2,616 |
| 619. | 2.82 | Trumansburg Central School District / 7,273 |
| 619. | 2.82 | Sidney Central School District / 7,667 |
| 619. | 2.82 | AuSable Valley Central School District / 9,058 |
| 619. | 2.82 | Salem Central School District / 4,034 |
| 619. | 2.82 | Hamilton Central School District / 7,189 |
| 626. | 2.81 | Bemus Point Central School District / 5,172 |
| 626. | 2.81 | Downsville Central School District / 2,183 |
| 626. | 2.81 | Johnsburg Central School District / 2,610 |
| 626. | 2.81 | Piseco Common School District / 307 |
| 626. | 2.81 | East Irondequoit Central School District / 27,907 |
| 626. | 2.81 | Montauk Union Free School District / 3,326 |
| 632. | 2.80 | Ithaca City School District / 65,694 |
| 632. | 2.80 | Oneonta City School District / 20,416 |
| 632. | 2.80 | Tupper Lake Central School District / 6,283 |
| 632. | 2.80 | Stamford Central School District / 2,710 |
| 632. | 2.80 | Sullivan West Central School District / 10,576 |
| 632. | 2.80 | Honeoye Central School District / 5,935 |
| 638. | 2.79 | Quogue Union Free School District / 1,080 |
| 638. | 2.79 | Clifton-Fine Central School District / 2,257 |
| 638. | 2.79 | Windham-Ashland-Jewett Central School District / 3,205 |
| 638. | 2.79 | Naples Central School District / 5,288 |
| 638. | 2.79 | Lake Placid Central School District / 6,467 |
| 638. | 2.79 | Roxbury Central School District / 2,731 |
| 644. | 2.78 | Laurens Central School District / 2,657 |
| 644. | 2.78 | Saranac Lake Central School District / 13,583 |
| 644. | 2.78 | New Lebanon Central School District / 4,203 |
| 647. | 2.77 | Gilbertsville-Mount Upton Central School District / 3,017 |
| 647. | 2.77 | Sagaponack Common School District / 308 |
| 647. | 2.77 | Milford Central School District / 3,038 |
| 650. | 2.76 | Delhi Central School District / 8,147 |
| 650. | 2.76 | Minerva Central School District / 828 |
| 652. | 2.75 | Gilboa-Conesville Central School District / 2,588 |
| 652. | 2.75 | Roscoe Central School District / 2,086 |
| 652. | 2.75 | Amagansett Union Free School District / 1,365 |
| 652. | 2.75 | Margaretville Central School District / 3,991 |
| 652. | 2.75 | Wheelerville Union Free School District / 1,274 |
| 652. | 2.75 | Hunter-Tannersville Central School District / 3,688 |
| 652. | 2.75 | New York Mills Union Free School District / 5,549 |
| 652. | 2.75 | Plattsburgh City School District / 19,657 |
| 660. | 2.74 | Schroon Lake Central School District / 1,894 |
| 660. | 2.74 | Northville Central School District / 2,981 |
| 660. | 2.74 | Lake George Central School District / 6,631 |
| 663. | 2.73 | Wells Central School District / 929 |
| 663. | 2.73 | Elizabethtown-Lewis Central School District / 2,576 |
| 663. | 2.73 | Colton-Pierrepont Central School District / 2,495 |
| 663. | 2.73 | Willsboro Central School District / 2,598 |
| 663. | 2.73 | Hammondsport Central School District / 4,171 |
| 668. | 2.72 | Oysterponds Union Free School District / 1,605 |
| 669. | 2.71 | Keene Central School District / 1,114 |
| 670. | 2.69 | Edinburg Common School District / 1,325 |
| 670. | 2.69 | Newcomb Central School District / 436 |
| 670. | 2.69 | North Warren Central School District / 4,489 |
| 673. | 2.68 | Onteora Central School District / 15,372 |
| 673. | 2.68 | Shelter Island Union Free School District / 2,392 |
| 675. | 2.67 | Bolton Central School District / 2,043 |
| 676. | 2.66 | Putnam Central School District / 650 |
| 676. | 2.66 | Fishers Island Union Free School District / 236 |
| 678. | 2.64 | Lake Pleasant Central School District / 781 |
| 679. | 2.59 | Webb Town Union Free School District / 2,228 |
| 680. | 2.57 | Andes Central School District / 1,206 |
| 681. | 2.55 | Indian Lake Central School District / 1,352 |
| 682. | 2.47 | Long Lake Central School District / 597 |
| 683. | 2.39 | New Suffolk Common School District / 349 |
| 684. | 2.30 | Raquette Lake Union Free School District / 114 |
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.
