| Rank | Average Family Size ▼ | School District / Population |
| 1. | 3.85 | Pequea Valley School District / 21,736 |
| 2. | 3.71 | Philadelphia City School District / 1,546,920 |
| 3. | 3.67 | Reading School District / 88,051 |
| 4. | 3.59 | Allentown City School District / 118,793 |
| 5. | 3.54 | Chester-Upland School District / 41,324 |
| 6. | 3.53 | Midland Borough School District / 2,608 |
| 7. | 3.53 | Upper Darby School District / 90,751 |
| 8. | 3.53 | Bristol Borough School District / 9,657 |
| 9. | 3.52 | York City School District / 43,817 |
| 10. | 3.49 | Pocono Mountain School District / 64,049 |
| 11. | 3.49 | William Penn School District / 42,189 |
| 12. | 3.49 | Solanco School District / 32,403 |
| 13. | 3.48 | Octorara Area School District / 18,010 |
| 14. | 3.47 | Oxford Area School District / 25,867 |
| 15. | 3.45 | Eastern Lancaster County School District / 32,609 |
| 16. | 3.44 | Southeast Delco School District / 30,371 |
| 17. | 3.44 | Avon Grove School District / 31,219 |
| 18. | 3.42 | Bryn Athyn School District / 1,348 |
| 19. | 3.41 | Lancaster School District / 75,450 |
| 20. | 3.40 | Steelton-Highspire School District / 8,397 |
| 21. | 3.40 | Bristol Township School District / 54,431 |
| 22. | 3.39 | East Stroudsburg Area School District / 47,564 |
| 23. | 3.39 | Lebanon School District / 26,383 |
| 24. | 3.39 | Chichester School District / 24,515 |
| 25. | 3.37 | Pleasant Valley School District / 33,533 |
| 26. | 3.36 | Harrisburg City School District / 49,297 |
| 27. | 3.36 | Conestoga Valley School District / 33,477 |
| 28. | 3.35 | Duquesne City School District / 5,558 |
| 29. | 3.35 | Stroudsburg Area School District / 34,203 |
| 30. | 3.35 | Fannett-Metal School District / 4,556 |
| 31. | 3.34 | Salisbury-Elk Lick School District / 2,975 |
| 32. | 3.34 | Ridley School District / 40,514 |
| 33. | 3.34 | Kennett Consolidated School District / 27,493 |
| 34. | 3.34 | Morrisville Borough School District / 8,689 |
| 35. | 3.32 | Coatesville Area School District / 64,066 |
| 36. | 3.32 | Radnor Township School District / 31,474 |
| 37. | 3.30 | Methacton School District / 35,637 |
| 38. | 3.30 | Delaware Valley School District / 28,859 |
| 39. | 3.30 | Southern Lehigh School District / 21,459 |
| 40. | 3.29 | Spring-Ford Area School District / 48,387 |
| 41. | 3.29 | Interboro School District / 23,614 |
| 42. | 3.28 | Pine-Richland School District / 23,352 |
| 43. | 3.28 | Albert Gallatin Area School District / 23,436 |
| 44. | 3.28 | Canton Area School District / 6,774 |
| 45. | 3.28 | Hatboro-Horsham School District / 33,756 |
| 46. | 3.27 | Centennial School District / 48,903 |
| 47. | 3.27 | Twin Valley School District / 24,180 |
| 48. | 3.27 | Springfield School District / 26,946 |
| 49. | 3.26 | Montgomery Area School District / 7,596 |
| 50. | 3.26 | Norristown Area School District / 64,146 |
| 51. | 3.26 | Haverford Township School District / 48,698 |
| 52. | 3.26 | Tuscarora School District / 18,300 |
| 53. | 3.26 | Columbia Borough School District / 10,399 |
| 54. | 3.26 | Greencastle-Antrim School District / 19,158 |
| 55. | 3.25 | Scranton School District / 75,842 |
| 56. | 3.25 | Central Bucks School District / 115,083 |
| 57. | 3.25 | Downingtown Area School District / 69,907 |
| 58. | 3.25 | Upper Dauphin Area School District / 9,604 |
| 59. | 3.25 | Bensalem Township School District / 60,404 |
| 60. | 3.24 | Peters Township School District / 21,587 |
| 61. | 3.24 | Neshaminy School District / 71,034 |
| 62. | 3.24 | Marple Newtown School District / 35,845 |
| 63. | 3.24 | Eastern Lebanon County School District / 21,219 |
| 64. | 3.24 | Lower Moreland Township School District / 13,133 |
| 65. | 3.24 | Erie City School District / 100,844 |
| 66. | 3.23 | West Middlesex Area School District / 7,406 |
| 67. | 3.23 | Pennsbury School District / 70,899 |
| 68. | 3.23 | Pen Argyl Area School District / 12,441 |
| 69. | 3.23 | Union City Area School District / 6,778 |
| 70. | 3.23 | Pottstown School District / 22,519 |
| 71. | 3.22 | Abington School District / 58,112 |
| 72. | 3.22 | Pottsgrove School District / 21,413 |
| 73. | 3.22 | Antietam School District / 7,628 |
| 74. | 3.22 | Northern Potter School District / 4,796 |
| 75. | 3.21 | Penn-Delco School District / 27,024 |
| 76. | 3.21 | Athens Area School District / 14,643 |
| 77. | 3.21 | Perkiomen Valley School District / 38,720 |
| 78. | 3.21 | Iroquois School District / 7,227 |
| 79. | 3.21 | Uniontown Area School District / 23,111 |
| 80. | 3.21 | South Western School District / 27,084 |
| 81. | 3.20 | Quakertown Community School District / 36,274 |
| 82. | 3.20 | Daniel Boone Area School District / 21,371 |
| 83. | 3.20 | Souderton Area School District / 45,992 |
| 84. | 3.20 | Mahanoy Area School District / 11,560 |
| 85. | 3.20 | Coudersport Area School District / 5,629 |
| 86. | 3.20 | Williamsburg Community School District / 3,863 |
| 87. | 3.20 | Titusville Area School District / 14,484 |
| 88. | 3.20 | North East School District / 10,623 |
| 89. | 3.20 | Conewago Valley School District / 27,468 |
| 90. | 3.20 | Council Rock School District / 72,652 |
| 91. | 3.20 | Cocalico School District / 23,293 |
| 92. | 3.19 | Tulpehocken Area School District / 12,041 |
| 93. | 3.19 | Garnet Valley School District / 28,926 |
| 94. | 3.19 | Lampeter-Strasburg School District / 23,117 |
| 95. | 3.19 | Cheltenham Township School District / 36,912 |
| 96. | 3.19 | South Eastern School District / 19,604 |
| 97. | 3.19 | Pennridge School District / 48,827 |
| 98. | 3.18 | Chambersburg Area School District / 67,434 |
| 99. | 3.18 | General McLane School District / 17,381 |
| 100. | 3.18 | North Penn School District / 99,658 |
| 101. | 3.18 | Hazleton Area School District / 72,932 |
| 102. | 3.18 | Corry Area School District / 14,339 |
| 103. | 3.18 | Rose Tree Media School District / 35,453 |
| 104. | 3.17 | Western Wayne School District / 19,070 |
| 105. | 3.17 | Juniata County School District / 24,112 |
| 106. | 3.17 | Avonworth School District / 10,796 |
| 107. | 3.17 | Marion Center Area School District / 10,162 |
| 108. | 3.17 | Wallingford-Swarthmore School District / 21,593 |
| 109. | 3.17 | Warwick School District / 31,174 |
| 110. | 3.17 | Ephrata Area School District / 33,831 |
| 111. | 3.17 | Troy Area School District / 10,767 |
| 112. | 3.16 | Phoenixville Area School District / 32,305 |
| 113. | 3.16 | Girard School District / 11,154 |
| 114. | 3.16 | Upper Dublin School District / 26,042 |
| 115. | 3.16 | Elk Lake School District / 7,826 |
| 116. | 3.16 | Warrior Run School District / 17,447 |
| 117. | 3.16 | Nazareth Area School District / 28,238 |
| 118. | 3.16 | Glendale School District / 5,765 |
| 119. | 3.16 | Middletown Area School District / 18,382 |
| 120. | 3.16 | Purchase Line School District / 7,124 |
| 121. | 3.16 | Wilkes-Barre Area School District / 59,661 |
| 122. | 3.16 | Lackawanna Trail School District / 8,620 |
| 123. | 3.16 | Tredyffrin-Easttown School District / 40,017 |
| 124. | 3.16 | Bethlehem Area School District / 117,254 |
| 125. | 3.16 | Midd-West School District / 17,122 |
| 126. | 3.15 | McGuffey School District / 12,899 |
| 127. | 3.15 | Towanda Area School District / 10,808 |
| 128. | 3.15 | Upper Perkiomen School District / 22,692 |
| 129. | 3.15 | Northwest Area School District / 9,062 |
| 130. | 3.15 | Northeastern York School District / 23,951 |
| 131. | 3.15 | Northern Bedford County School District / 6,817 |
| 132. | 3.15 | Owen J. Roberts School District / 33,212 |
| 133. | 3.15 | Altoona Area School District / 59,300 |
| 134. | 3.15 | Bethlehem-Center School District / 8,845 |
| 135. | 3.14 | South Fayette Township School District / 14,898 |
| 136. | 3.14 | Southern York County School District / 20,748 |
| 137. | 3.14 | Northwestern Lehigh School District / 14,952 |
| 138. | 3.14 | Selinsgrove Area School District / 22,800 |
| 139. | 3.14 | Upper Saint Clair School District / 19,303 |
| 140. | 3.14 | Parkland School District / 56,803 |
| 141. | 3.14 | Sullivan County School District / 6,400 |
| 142. | 3.14 | Tunkhannock Area School District / 19,156 |
| 143. | 3.13 | Catasauqua Area School District / 11,022 |
| 144. | 3.13 | Punxsutawney Area School District / 21,001 |
| 145. | 3.13 | Upper Moreland Township School District / 24,167 |
| 146. | 3.13 | Hampton Township School District / 18,444 |
| 147. | 3.13 | Wilson School District / 38,929 |
| 148. | 3.13 | Plum Borough School District / 27,386 |
| 149. | 3.13 | West Allegheny School District / 20,749 |
| 150. | 3.13 | Wissahickon School District / 37,045 |
| 151. | 3.12 | Carbondale Area School District / 11,010 |
| 152. | 3.12 | Bangor Area School District / 23,150 |
| 153. | 3.12 | Northeast Bradford School District / 5,787 |
| 154. | 3.12 | Galeton Area School District / 2,913 |
| 155. | 3.12 | West Chester Area School District / 110,007 |
| 156. | 3.12 | Meyersdale Area School District / 6,892 |
| 157. | 3.12 | Tyrone Area School District / 12,597 |
| 158. | 3.12 | Saint Clair Area School District / 6,797 |
| 159. | 3.12 | Dunmore School District / 13,974 |
| 160. | 3.12 | Forest City Regional School District / 6,174 |
| 161. | 3.12 | Great Valley School District / 30,141 |
| 162. | 3.12 | Wattsburg Area School District / 10,352 |
| 163. | 3.12 | Manheim Central School District / 24,778 |
| 164. | 3.12 | Easton Area School District / 64,301 |
| 165. | 3.12 | North Allegheny School District / 51,144 |
| 166. | 3.11 | Brownsville Area School District / 14,990 |
| 167. | 3.11 | North Clarion County School District / 4,882 |
| 168. | 3.11 | West Branch Area School District / 7,557 |
| 169. | 3.11 | Spring Grove Area School District / 27,906 |
| 170. | 3.11 | Northern Cambria School District / 7,581 |
| 171. | 3.11 | Central York School District / 37,736 |
| 172. | 3.11 | Springfield Township School District / 19,510 |
| 173. | 3.11 | Bald Eagle Area School District / 13,242 |
| 174. | 3.11 | Seneca Valley School District / 47,680 |
| 175. | 3.11 | Jersey Shore Area School District / 18,494 |
| 176. | 3.11 | Oil City Area School District / 14,916 |
| 177. | 3.11 | Upper Adams School District / 10,721 |
| 178. | 3.11 | Boyertown Area School District / 47,336 |
| 179. | 3.10 | Penns Valley Area School District / 13,087 |
| 180. | 3.10 | Wyomissing Area School District / 12,727 |
| 181. | 3.10 | North Pocono School District / 20,983 |
| 182. | 3.10 | Susquehanna Community School District / 5,151 |
| 183. | 3.10 | Blackhawk School District / 18,030 |
| 184. | 3.10 | Shenango Area School District / 8,016 |
| 185. | 3.10 | Williamsport Area School District / 41,849 |
| 186. | 3.10 | Fairfield Area School District / 8,045 |
| 187. | 3.10 | Palmerton Area School District / 14,173 |
| 188. | 3.10 | Chartiers-Houston School District / 9,118 |
| 189. | 3.10 | Fort Cherry School District / 8,391 |
| 190. | 3.10 | Oswayo Valley School District / 3,079 |
| 191. | 3.10 | Riverside School District / 11,942 |
| 192. | 3.09 | Colonial School District / 41,997 |
| 193. | 3.09 | Shenandoah Valley School District / 7,834 |
| 194. | 3.09 | Donegal School District / 21,531 |
| 195. | 3.09 | Burgettstown Area School District / 9,814 |
| 196. | 3.09 | West Perry School District / 18,972 |
| 197. | 3.09 | Moshannon Valley School District / 8,812 |
| 198. | 3.09 | Saucon Valley School District / 16,669 |
| 199. | 3.09 | Jim Thorpe Area School District / 15,770 |
| 200. | 3.09 | Northern Lebanon School District / 17,286 |
| 201. | 3.09 | Avella Area School District / 4,251 |
| 202. | 3.09 | Exeter Township School District / 27,547 |
| 203. | 3.09 | Abington Heights School District / 23,300 |
| 204. | 3.09 | Northern Lehigh School District / 12,998 |
| 205. | 3.09 | Frazier School District / 8,177 |
| 206. | 3.08 | Bellwood-Antis School District / 8,273 |
| 207. | 3.08 | Lower Merion School District / 62,409 |
| 208. | 3.08 | Schuylkill Valley School District / 15,031 |
| 209. | 3.08 | Portage Area School District / 6,293 |
| 210. | 3.08 | Fox Chapel Area School District / 28,935 |
| 211. | 3.08 | Littlestown Area School District / 14,821 |
| 212. | 3.08 | Keystone Central School District / 37,299 |
| 213. | 3.08 | Conrad Weiser Area School District / 19,346 |
| 214. | 3.08 | East Penn School District / 55,412 |
| 215. | 3.08 | Wayne Highlands School District / 20,514 |
| 216. | 3.08 | Derry Township School District / 24,779 |
| 217. | 3.08 | Bermudian Springs School District / 12,920 |
| 218. | 3.07 | Whitehall-Coplay School District / 30,239 |
| 219. | 3.07 | Panther Valley School District / 12,488 |
| 220. | 3.07 | Mohawk Area School District / 10,748 |
| 221. | 3.07 | Fleetwood Area School District / 16,786 |
| 222. | 3.07 | Red Lion Area School District / 38,485 |
| 223. | 3.07 | Mid Valley School District / 15,304 |
| 224. | 3.07 | New Castle Area School District / 23,998 |
| 225. | 3.07 | Charleroi School District / 11,862 |
| 226. | 3.07 | Northern York County School District / 21,450 |
| 227. | 3.07 | Otto-Eldred School District / 4,171 |
| 228. | 3.07 | Greenwood School District / 5,484 |
| 229. | 3.07 | Harbor Creek School District / 17,336 |
| 230. | 3.07 | North Star School District / 8,970 |
| 231. | 3.07 | South Middleton School District / 14,864 |
| 232. | 3.07 | East Lycoming School District / 10,335 |
| 233. | 3.06 | Shippensburg Area School District / 28,719 |
| 234. | 3.06 | Southern Tioga School District / 16,153 |
| 235. | 3.06 | Pittston Area School District / 27,834 |
| 236. | 3.06 | Dover Area School District / 25,731 |
| 237. | 3.06 | Mount Union Area School District / 9,963 |
| 238. | 3.06 | Claysburg-Kimmel School District / 5,845 |
| 239. | 3.06 | Moon Area School District / 27,603 |
| 240. | 3.06 | Rockwood Area School District / 5,651 |
| 241. | 3.06 | Lehighton Area School District / 17,797 |
| 242. | 3.06 | Mifflin County School District / 43,593 |
| 243. | 3.05 | Lower Dauphin School District / 25,040 |
| 244. | 3.05 | Ellwood City Area School District / 13,945 |
| 245. | 3.05 | West Greene School District / 4,770 |
| 246. | 3.05 | Hanover Public School District / 15,365 |
| 247. | 3.05 | Susquehanna Township School District / 24,332 |
| 248. | 3.05 | Fort LeBoeuf School District / 14,365 |
| 249. | 3.05 | Hamburg Area School District / 17,625 |
| 250. | 3.05 | Brentwood Borough School District / 9,625 |
| 251. | 3.05 | Connellsville Area School District / 34,144 |
| 252. | 3.05 | Ferndale Area School District / 5,097 |
| 253. | 3.05 | Newport School District / 7,441 |
| 254. | 3.05 | Brockway Area School District / 7,486 |
| 255. | 3.05 | Oley Valley School District / 13,341 |
| 256. | 3.05 | Belle Vernon Area School District / 18,731 |
| 257. | 3.05 | Canon-McMillan School District / 34,313 |
| 258. | 3.05 | Governor Mifflin School District / 30,967 |
| 259. | 3.05 | Sto-Rox School District / 12,439 |
| 260. | 3.05 | Penn Hills School District / 42,367 |
| 261. | 3.04 | Northampton Area School District / 41,804 |
| 262. | 3.04 | Blue Ridge School District / 7,700 |
| 263. | 3.04 | Lakeview School District / 8,285 |
| 264. | 3.04 | South Allegheny School District / 11,805 |
| 265. | 3.04 | Waynesboro Area School District / 32,612 |
| 266. | 3.04 | Salisbury Township School District / 13,619 |
| 267. | 3.04 | Pottsville Area School District / 19,939 |
| 268. | 3.04 | Quaker Valley School District / 13,711 |
| 269. | 3.04 | United School District / 8,006 |
| 270. | 3.04 | Laurel Highlands School District / 23,300 |
| 271. | 3.04 | Muncy School District / 7,206 |
| 272. | 3.04 | Farrell Area School District / 5,716 |
| 273. | 3.04 | Wilmington Area School District / 11,583 |
| 274. | 3.04 | Unionville-Chadds Ford School District / 24,011 |
| 275. | 3.04 | Hanover Area School District / 15,310 |
| 276. | 3.04 | Penncrest School District / 24,263 |
| 277. | 3.04 | Bentworth School District / 8,314 |
| 278. | 3.04 | Big Beaver Falls Area School District / 13,524 |
| 279. | 3.03 | Harmony Area School District / 2,272 |
| 280. | 3.03 | Central Dauphin School District / 91,628 |
| 281. | 3.03 | Spring Cove School District / 14,266 |
| 282. | 3.03 | Mt. Lebanon School District / 33,085 |
| 283. | 3.03 | Northwestern School District / 12,071 |
| 284. | 3.03 | Keystone School District / 7,503 |
| 285. | 3.03 | Palisades School District / 14,904 |
| 286. | 3.03 | Mars Area School District / 19,603 |
| 287. | 3.03 | Riverside Beaver County School District / 10,503 |
| 288. | 3.03 | Penns Manor Area School District / 5,825 |
| 289. | 3.03 | Sharpsville Area School District / 7,651 |
| 290. | 3.03 | Carlisle Area School District / 37,258 |
| 291. | 3.03 | Carlynton School District / 14,336 |
| 292. | 3.03 | Palmyra Area School District / 22,806 |
| 293. | 3.03 | Deer Lakes School District / 14,285 |
| 294. | 3.03 | Wyalusing Area School District / 8,698 |
| 295. | 3.02 | Laurel School District / 8,189 |
| 296. | 3.02 | Annville-Cleona School District / 12,310 |
| 297. | 3.02 | Millcreek Township School District / 53,902 |
| 298. | 3.02 | Jenkintown School District / 4,441 |
| 299. | 3.02 | South Williamsport Area School District / 9,278 |
| 300. | 3.02 | Wilson Area School District / 15,447 |
| 301. | 3.02 | Halifax Area School District / 7,893 |
| 302. | 3.02 | Karns City Area School District / 10,636 |
| 303. | 3.02 | Penn Cambria School District / 16,496 |
| 304. | 3.02 | Muhlenberg School District / 23,687 |
| 305. | 3.02 | Ringgold School District / 26,000 |
| 306. | 3.02 | East Pennsboro Area School District / 20,620 |
| 307. | 3.02 | Mifflinburg Area School District / 16,479 |
| 308. | 3.02 | Pine Grove Area School District / 11,692 |
| 309. | 3.02 | Wyoming Valley West School District / 41,934 |
| 310. | 3.02 | Valley View School District / 18,237 |
| 311. | 3.01 | Wyoming Area School District / 19,163 |
| 312. | 3.01 | Juniata Valley School District / 5,278 |
| 313. | 3.01 | Elizabethtown Area School District / 30,446 |
| 314. | 3.01 | Dallastown Area School District / 41,349 |
| 315. | 3.01 | Pittsburgh School District / 309,436 |
| 316. | 3.01 | Bethel Park School District / 33,032 |
| 317. | 3.01 | Mercer Area School District / 10,584 |
| 318. | 3.01 | West Jefferson Hills School District / 19,911 |
| 319. | 3.01 | Dallas School District / 20,755 |
| 320. | 3.01 | Penn-Trafford School District / 25,983 |
| 321. | 3.01 | Upper Merion Area School District / 34,464 |
| 322. | 3.01 | Union School District / 4,300 |
| 323. | 3.01 | Highlands School District / 20,586 |
| 324. | 3.01 | Shade-Central City School District / 3,732 |
| 325. | 3.01 | Manheim Township School District / 38,770 |
| 326. | 3.00 | Homer-Center School District / 6,372 |
| 327. | 3.00 | Conneaut School District / 18,110 |
| 328. | 3.00 | Turkeyfoot Valley Area School District / 2,984 |
| 329. | 3.00 | Danville Area School District / 18,983 |
| 330. | 3.00 | New Hope-Solebury School District / 11,200 |
| 331. | 3.00 | Rochester Area School District / 7,011 |
| 332. | 3.00 | Baldwin-Whitehall School District / 35,718 |
| 333. | 3.00 | Southern Fulton School District / 5,446 |
| 334. | 3.00 | Curwensville Area School District / 7,326 |
| 335. | 3.00 | New Kensington-Arnold School District / 18,049 |
| 336. | 3.00 | Clairton City School District / 6,752 |
| 337. | 3.00 | Austin Area School District / 1,127 |
| 338. | 3.00 | DuBois Area School District / 30,964 |
| 339. | 3.00 | Montrose Area School District / 11,985 |
| 340. | 3.00 | Kutztown Area School District / 18,660 |
| 341. | 3.00 | South Side Area School District / 6,637 |
| 342. | 3.00 | Sharon City School District / 13,845 |
| 343. | 3.00 | West Mifflin Area School District / 21,549 |
| 344. | 2.99 | Mountain View School District / 8,565 |
| 345. | 2.99 | Armstrong School District / 42,724 |
| 346. | 2.99 | West York Area School District / 23,531 |
| 347. | 2.99 | Elizabeth Forward School District / 18,063 |
| 348. | 2.99 | Blairsville-Saltsburg School District / 14,070 |
| 349. | 2.99 | Hopewell Area School District / 17,995 |
| 350. | 2.99 | Greater Latrobe School District / 31,099 |
| 351. | 2.99 | Cumberland Valley School District / 56,311 |
| 352. | 2.99 | Blue Mountain School District / 20,811 |
| 353. | 2.99 | Warren County School District / 38,016 |
| 354. | 2.99 | Tamaqua Area School District / 16,588 |
| 355. | 2.99 | Beaver Area School District / 14,854 |
| 356. | 2.99 | Burrell School District / 13,913 |
| 357. | 2.99 | Chestnut Ridge School District / 10,464 |
| 358. | 2.99 | Penn Manor School District / 41,932 |
| 359. | 2.99 | Bellefonte Area School District / 26,787 |
| 360. | 2.99 | Clearfield Area School District / 19,219 |
| 361. | 2.99 | Berlin Brothersvalley School District / 5,764 |
| 362. | 2.99 | Center Valley School District / 18,221 |
| 363. | 2.99 | Freedom Area School District / 11,255 |
| 364. | 2.99 | Grove City Area School District / 17,633 |
| 365. | 2.99 | Hempfield School District / 47,451 |
| 366. | 2.98 | Yough School District / 15,941 |
| 367. | 2.98 | Big Spring School District / 20,937 |
| 368. | 2.98 | Southern Huntingdon County School District / 7,724 |
| 369. | 2.98 | Brandywine Heights Area School District / 13,191 |
| 370. | 2.98 | Williams Valley School District / 6,865 |
| 371. | 2.98 | Lake-Lehman School District / 16,905 |
| 372. | 2.98 | West Shore School District / 63,079 |
| 373. | 2.98 | Old Forge School District / 8,265 |
| 374. | 2.98 | Greater Nanticoke Area School District / 18,916 |
| 375. | 2.98 | Mechanicsburg Area School District / 29,093 |
| 376. | 2.98 | Tussey Mountain School District / 7,388 |
| 377. | 2.98 | St. Marys Area School District / 19,105 |
| 378. | 2.97 | South Park School District / 13,492 |
| 379. | 2.97 | Somerset Area School District / 21,244 |
| 380. | 2.97 | Ambridge Area School District / 23,778 |
| 381. | 2.97 | Cornwall-Lebanon School District / 35,180 |
| 382. | 2.97 | Apollo-Ridge School District / 9,439 |
| 383. | 2.97 | Gettysburg Area School District / 27,591 |
| 384. | 2.97 | Crestwood School District / 20,240 |
| 385. | 2.97 | Wallenpaupack Area School District / 25,123 |
| 386. | 2.96 | Woodland Hills School District / 46,785 |
| 387. | 2.96 | Sayre Area School District / 7,961 |
| 388. | 2.96 | Steel Valley School District / 16,310 |
| 389. | 2.96 | Crawford Central School District / 30,636 |
| 390. | 2.96 | Weatherly Area School District / 4,989 |
| 391. | 2.96 | Fairview School District / 10,187 |
| 392. | 2.96 | Minersville Area School District / 8,673 |
| 393. | 2.96 | Bloomsburg Area School District / 20,629 |
| 394. | 2.96 | Derry Area School District / 17,663 |
| 395. | 2.96 | Trinity Area School District / 26,103 |
| 396. | 2.96 | Moniteau School District / 9,422 |
| 397. | 2.95 | Central Greene School District / 15,902 |
| 398. | 2.95 | Norwin School District / 35,638 |
| 399. | 2.95 | Ridgway Area School District / 6,679 |
| 400. | 2.95 | State College Area School District / 93,124 |
| 401. | 2.95 | North Hills School District / 37,860 |
| 402. | 2.95 | Shaler Area School District / 39,247 |
| 403. | 2.95 | Central Fulton School District / 6,432 |
| 404. | 2.95 | Conemaugh Valley School District / 6,517 |
| 405. | 2.95 | Gateway School District / 31,648 |
| 406. | 2.95 | Hollidaysburg Area School District / 27,261 |
| 407. | 2.95 | Bedford Area School District / 16,657 |
| 408. | 2.94 | Lakeland School District / 12,327 |
| 409. | 2.94 | Mount Carmel Area School District / 12,448 |
| 410. | 2.94 | Schuylkill Haven Area School District / 8,203 |
| 411. | 2.94 | Butler Area School District / 54,465 |
| 412. | 2.94 | Berwick Area School District / 22,494 |
| 413. | 2.94 | Northgate School District / 13,042 |
| 414. | 2.94 | Aliquippa School District / 9,356 |
| 415. | 2.94 | McKeesport Area School District / 31,240 |
| 416. | 2.94 | Northern Tioga School District / 14,217 |
| 417. | 2.94 | Western Beaver County School District / 5,488 |
| 418. | 2.94 | Millville Area School District / 5,593 |
| 419. | 2.94 | Forbes Road School District / 2,869 |
| 420. | 2.94 | Washington School District / 15,791 |
| 421. | 2.94 | Camp Hill School District / 7,891 |
| 422. | 2.94 | Chartiers Valley School District / 30,930 |
| 423. | 2.93 | Cornell School District / 6,743 |
| 424. | 2.93 | Montoursville Area School District / 13,152 |
| 425. | 2.93 | Jamestown Area School District / 4,313 |
| 426. | 2.93 | Franklin Regional School District / 23,215 |
| 427. | 2.93 | Eastern York School District / 19,829 |
| 428. | 2.93 | Hempfield Area School District / 50,219 |
| 429. | 2.93 | Smethport Area School District / 6,014 |
| 430. | 2.93 | South Butler County School District / 18,349 |
| 431. | 2.93 | Redbank Valley School District / 8,253 |
| 432. | 2.93 | Carmichaels Area School District / 6,923 |
| 433. | 2.93 | East Allegheny School District / 14,867 |
| 434. | 2.92 | Windber Area School District / 8,478 |
| 435. | 2.92 | Union Area School District / 5,521 |
| 436. | 2.92 | Bradford Area School District / 20,833 |
| 437. | 2.92 | Southmoreland School District / 15,221 |
| 438. | 2.92 | Greater Johnstown School District / 27,158 |
| 439. | 2.92 | Port Allegany School District / 5,768 |
| 440. | 2.92 | Montour School District / 25,926 |
| 441. | 2.92 | Wilkinsburg Borough School District / 15,894 |
| 442. | 2.92 | Shikellamy School District / 22,676 |
| 443. | 2.92 | Greenville Area School District / 10,661 |
| 444. | 2.92 | Wellsboro Area School District / 11,983 |
| 445. | 2.91 | Blacklick Valley School District / 5,186 |
| 446. | 2.91 | Commodore Perry School District / 4,133 |
| 447. | 2.91 | York Suburban School District / 21,654 |
| 448. | 2.91 | Central Cambria School District / 13,649 |
| 449. | 2.91 | Keystone Oaks School District / 20,730 |
| 450. | 2.91 | Kiski Area School District / 28,959 |
| 451. | 2.91 | New Brighton Area School District / 10,660 |
| 452. | 2.91 | Leechburg Area School District / 5,958 |
| 453. | 2.91 | Brookville Area School District / 11,861 |
| 454. | 2.91 | Jeannette City School District / 9,438 |
| 455. | 2.91 | Johnsonburg Area School District / 4,405 |
| 456. | 2.91 | Philipsburg-Osceola Area School District / 15,462 |
| 457. | 2.90 | Clarion-Limestone Area School District / 8,000 |
| 458. | 2.90 | Central Columbia School District / 15,000 |
| 459. | 2.90 | Allegheny-Clarion Valley School District / 5,719 |
| 460. | 2.90 | Valley Grove School District / 6,667 |
| 461. | 2.89 | Shanksville-Stonycreek School District / 2,903 |
| 462. | 2.89 | Hermitage School District / 16,237 |
| 463. | 2.89 | Freeport Area School District / 11,725 |
| 464. | 2.89 | California Area School District / 11,047 |
| 465. | 2.89 | Kane Area School District / 7,351 |
| 466. | 2.88 | Tri-Valley School District / 6,555 |
| 467. | 2.88 | Cranberry Area School District / 9,215 |
| 468. | 2.88 | Franklin Area School District / 16,320 |
| 469. | 2.88 | Forest Hills School District / 12,448 |
| 470. | 2.87 | Shamokin Area School District / 20,929 |
| 471. | 2.87 | Susquenita School District / 14,738 |
| 472. | 2.87 | Cambria Heights School District / 9,801 |
| 473. | 2.87 | Everett Area School District / 9,639 |
| 474. | 2.87 | Southeastern Greene School District / 4,574 |
| 475. | 2.86 | Millersburg Area School District / 6,692 |
| 476. | 2.86 | North Schuylkill School District / 16,690 |
| 477. | 2.86 | Huntingdon Area School District / 20,442 |
| 478. | 2.85 | Jefferson-Morgan School District / 6,002 |
| 479. | 2.85 | Benton Area School District / 5,138 |
| 480. | 2.84 | Line Mountain School District / 8,681 |
| 481. | 2.84 | Slippery Rock Area School District / 20,830 |
| 482. | 2.84 | Riverview School District / 8,860 |
| 483. | 2.84 | Allegheny Valley School District / 9,753 |
| 484. | 2.83 | Greensburg Salem School District / 25,932 |
| 485. | 2.83 | Mount Pleasant Area School District / 17,544 |
| 486. | 2.82 | Conemaugh Township Area School District / 8,226 |
| 487. | 2.82 | Richland School District / 14,634 |
| 488. | 2.82 | Indiana Area School District / 33,154 |
| 489. | 2.82 | Lewisburg Area School District / 18,978 |
| 490. | 2.81 | Clarion Area School District / 8,643 |
| 491. | 2.81 | Milton Area School District / 16,769 |
| 492. | 2.79 | Loyalsock Township School District / 11,144 |
| 493. | 2.79 | Cameron County School District / 4,939 |
| 494. | 2.79 | Monessen City School District / 7,630 |
| 495. | 2.78 | Westmont Hilltop School District / 12,704 |
| 496. | 2.78 | Ligonier Valley School District / 15,767 |
| 497. | 2.76 | Neshannock Township School District / 9,511 |
| 498. | 2.74 | Reynolds School District / 9,436 |
| 499. | 2.73 | Southern Columbia Area School District / 10,154 |
| 500. | 2.57 | Forest Area School District / 8,093 |
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.
