| Rank | Percentage of Population Age 5 or Less ▼ | School District / Population |
| 1. | 10.8% | Pequea Valley School District / 21,127 |
| 2. | 10.2% | North Clarion County School District / 4,613 |
| 3. | 9.8% | York City School District / 43,592 |
| 4. | 9.3% | Steelton-Highspire School District / 8,706 |
| 5. | 9.2% | Morrisville Borough School District / 9,020 |
| 6. | 9.1% | Reading School District / 87,404 |
| 7. | 8.9% | Duquesne City School District / 5,826 |
| 8. | 8.6% | Fannett-Metal School District / 4,457 |
| 9. | 8.6% | Harrisburg City School District / 49,332 |
| 10. | 8.5% | Pottsgrove School District / 20,842 |
| 11. | 8.5% | Solanco School District / 31,452 |
| 12. | 8.4% | Allentown City School District / 116,398 |
| 13. | 8.3% | Sharon City School District / 14,456 |
| 14. | 8.1% | Octorara Area School District / 17,792 |
| 15. | 8.1% | Chester-Upland School District / 41,712 |
| 16. | 8.0% | Central Fulton School District / 6,160 |
| 17. | 8.0% | Oxford Area School District / 25,212 |
| 18. | 7.9% | Eastern Lancaster County School District / 31,459 |
| 19. | 7.9% | Corry Area School District / 14,681 |
| 20. | 7.9% | Coatesville Area School District / 61,322 |
| 21. | 7.8% | Lancaster School District / 74,169 |
| 22. | 7.8% | Eastern Lebanon County School District / 20,267 |
| 23. | 7.6% | Pottstown School District / 22,302 |
| 24. | 7.6% | Kennett Consolidated School District / 26,196 |
| 25. | 7.5% | Chichester School District / 24,200 |
| 25. | 7.5% | Daniel Boone Area School District / 20,669 |
| 27. | 7.5% | Donegal School District / 19,994 |
| 28. | 7.5% | Spring-Ford Area School District / 45,415 |
| 29. | 7.5% | Freeport Area School District / 11,688 |
| 30. | 7.4% | Elk Lake School District / 8,154 |
| 31. | 7.3% | Ephrata Area School District / 32,598 |
| 32. | 7.3% | Midd-West School District / 17,017 |
| 32. | 7.3% | Southeast Delco School District / 30,359 |
| 34. | 7.3% | Littlestown Area School District / 15,093 |
| 35. | 7.3% | Quakertown Community School District / 36,115 |
| 36. | 7.2% | Lebanon School District / 26,360 |
| 37. | 7.2% | Mifflinburg Area School District / 16,305 |
| 38. | 7.2% | Newport School District / 7,946 |
| 39. | 7.2% | Northeastern York School District / 22,577 |
| 40. | 7.1% | New Brighton Area School District / 11,089 |
| 41. | 7.1% | Columbia Borough School District / 10,391 |
| 42. | 7.1% | Upper Darby School District / 90,078 |
| 43. | 7.0% | New Castle Area School District / 24,743 |
| 44. | 7.0% | Erie City School District / 101,635 |
| 45. | 7.0% | Turkeyfoot Valley Area School District / 2,851 |
| 46. | 6.9% | Twin Valley School District / 23,142 |
| 47. | 6.9% | William Penn School District / 42,067 |
| 47. | 6.9% | Waynesboro Area School District / 31,582 |
| 49. | 6.9% | East Allegheny School District / 15,235 |
| 50. | 6.9% | Seneca Valley School District / 46,231 |
| 51. | 6.9% | Union School District / 4,327 |
| 52. | 6.9% | Easton Area School District / 62,149 |
| 52. | 6.9% | Oswayo Valley School District / 3,021 |
| 54. | 6.8% | Williamsburg Community School District / 3,701 |
| 54. | 6.8% | Avonworth School District / 10,018 |
| 54. | 6.8% | Conestoga Valley School District / 32,228 |
| 54. | 6.8% | Cocalico School District / 22,734 |
| 58. | 6.8% | Hatboro-Horsham School District / 33,112 |
| 58. | 6.8% | Blacklick Valley School District / 5,184 |
| 60. | 6.8% | Steel Valley School District / 16,718 |
| 60. | 6.8% | Phoenixville Area School District / 31,591 |
| 62. | 6.8% | Downingtown Area School District / 66,888 |
| 63. | 6.8% | Center Valley School District / 18,061 |
| 64. | 6.7% | Norristown Area School District / 62,808 |
| 65. | 6.7% | Fleetwood Area School District / 16,251 |
| 66. | 6.7% | Galeton Area School District / 3,124 |
| 67. | 6.7% | Oil City Area School District / 15,037 |
| 67. | 6.7% | Sayre Area School District / 8,108 |
| 69. | 6.6% | Chambersburg Area School District / 64,902 |
| 70. | 6.6% | Upper Dauphin Area School District / 9,114 |
| 70. | 6.6% | Mifflin County School District / 43,493 |
| 72. | 6.6% | West Allegheny School District / 19,871 |
| 73. | 6.6% | Penns Valley Area School District / 12,083 |
| 74. | 6.6% | Line Mountain School District / 9,195 |
| 74. | 6.6% | Philadelphia City School District / 1,504,950 |
| 76. | 6.6% | Tyrone Area School District / 12,995 |
| 77. | 6.6% | Antietam School District / 7,601 |
| 77. | 6.6% | Sto-Rox School District / 12,497 |
| 77. | 6.6% | Ferndale Area School District / 5,286 |
| 80. | 6.5% | Northwestern School District / 12,095 |
| 81. | 6.5% | Altoona Area School District / 60,134 |
| 82. | 6.5% | Canon-McMillan School District / 32,708 |
| 83. | 6.5% | Palmerton Area School District / 13,956 |
| 84. | 6.5% | Perkiomen Valley School District / 36,601 |
| 84. | 6.5% | Chestnut Ridge School District / 10,992 |
| 86. | 6.5% | Girard School District / 11,146 |
| 86. | 6.5% | Mount Union Area School District / 9,911 |
| 88. | 6.4% | Monessen City School District / 7,863 |
| 89. | 6.4% | Milton Area School District / 16,604 |
| 89. | 6.4% | Mt. Lebanon School District / 32,838 |
| 91. | 6.4% | East Lycoming School District / 9,995 |
| 91. | 6.4% | Juniata County School District / 23,858 |
| 93. | 6.4% | West Perry School District / 18,316 |
| 93. | 6.4% | Dallastown Area School District / 40,104 |
| 93. | 6.4% | Allegheny-Clarion Valley School District / 5,931 |
| 96. | 6.4% | Northern York County School District / 20,662 |
| 97. | 6.4% | Northeast Bradford School District / 5,920 |
| 97. | 6.4% | Northern Potter School District / 4,221 |
| 99. | 6.4% | Montgomery Area School District / 7,310 |
| 100. | 6.3% | Valley Grove School District / 6,771 |
| 101. | 6.3% | Riverside School District / 11,892 |
| 101. | 6.3% | Wyalusing Area School District / 8,636 |
| 103. | 6.3% | Jamestown Area School District / 4,533 |
| 104. | 6.3% | Karns City Area School District / 10,504 |
| 105. | 6.3% | Elizabethtown Area School District / 29,524 |
| 106. | 6.3% | Central Greene School District / 15,999 |
| 106. | 6.3% | Upper Adams School District / 10,436 |
| 106. | 6.3% | Haverford Township School District / 48,546 |
| 109. | 6.2% | Jim Thorpe Area School District / 14,799 |
| 110. | 6.2% | Washington School District / 16,251 |
| 110. | 6.2% | Warwick School District / 30,591 |
| 112. | 6.2% | Marion Center Area School District / 10,490 |
| 113. | 6.2% | Ridley School District / 40,225 |
| 114. | 6.2% | Great Valley School District / 29,396 |
| 114. | 6.2% | Wilson Area School District / 15,198 |
| 116. | 6.2% | Jeannette City School District / 9,788 |
| 116. | 6.2% | Northern Lebanon School District / 16,476 |
| 118. | 6.2% | Tulpehocken Area School District / 12,330 |
| 118. | 6.2% | Halifax Area School District / 7,370 |
| 120. | 6.2% | Upper Perkiomen School District / 21,961 |
| 120. | 6.2% | Titusville Area School District / 14,422 |
| 120. | 6.2% | Cambria Heights School District / 9,997 |
| 123. | 6.1% | Pennridge School District / 47,533 |
| 123. | 6.1% | Midland Borough School District / 2,704 |
| 125. | 6.1% | Forbes Road School District / 3,101 |
| 125. | 6.1% | DuBois Area School District / 31,391 |
| 127. | 6.1% | Hanover Public School District / 15,256 |
| 128. | 6.1% | Penns Manor Area School District / 6,234 |
| 129. | 6.1% | Minersville Area School District / 9,166 |
| 130. | 6.1% | Palmyra Area School District / 21,859 |
| 130. | 6.1% | Farrell Area School District / 5,957 |
| 132. | 6.1% | Derry Township School District / 24,030 |
| 132. | 6.1% | Portage Area School District / 6,445 |
| 134. | 6.1% | Red Lion Area School District / 37,810 |
| 135. | 6.1% | Bentworth School District / 8,514 |
| 135. | 6.1% | Albert Gallatin Area School District / 24,007 |
| 137. | 6.1% | Shippensburg Area School District / 27,578 |
| 138. | 6.0% | Towanda Area School District / 10,664 |
| 138. | 6.0% | Greenwood School District / 5,238 |
| 140. | 6.0% | Manheim Central School District / 23,504 |
| 140. | 6.0% | Iroquois School District / 7,348 |
| 142. | 6.0% | East Penn School District / 52,513 |
| 142. | 6.0% | Wilkinsburg Borough School District / 16,348 |
| 144. | 6.0% | West Middlesex Area School District / 7,472 |
| 145. | 6.0% | Derry Area School District / 17,830 |
| 145. | 6.0% | Carlisle Area School District / 36,496 |
| 145. | 6.0% | Armstrong School District / 43,927 |
| 145. | 6.0% | Smethport Area School District / 6,189 |
| 149. | 6.0% | West Shore School District / 61,672 |
| 149. | 6.0% | Valley View School District / 18,187 |
| 151. | 5.9% | Athens Area School District / 14,637 |
| 152. | 5.9% | South Western School District / 26,171 |
| 153. | 5.9% | Harmony Area School District / 2,252 |
| 153. | 5.9% | Shikellamy School District / 22,335 |
| 155. | 5.9% | Greencastle-Antrim School District / 18,480 |
| 155. | 5.9% | Boyertown Area School District / 44,963 |
| 155. | 5.9% | Pottsville Area School District / 20,051 |
| 155. | 5.9% | Rockwood Area School District / 5,842 |
| 159. | 5.9% | Brookville Area School District / 11,567 |
| 159. | 5.9% | Salisbury-Elk Lick School District / 2,910 |
| 161. | 5.9% | United School District / 8,320 |
| 161. | 5.9% | Conneaut School District / 18,287 |
| 161. | 5.9% | Jersey Shore Area School District / 18,283 |
| 161. | 5.9% | Schuylkill Haven Area School District / 8,430 |
| 161. | 5.9% | Union City Area School District / 6,971 |
| 166. | 5.9% | Spring Grove Area School District / 27,013 |
| 166. | 5.9% | Susquehanna Community School District / 5,309 |
| 166. | 5.9% | Greater Johnstown School District / 28,498 |
| 169. | 5.9% | Deer Lakes School District / 14,093 |
| 169. | 5.9% | Catasauqua Area School District / 10,918 |
| 171. | 5.8% | Moniteau School District / 9,611 |
| 172. | 5.8% | Central Bucks School District / 112,467 |
| 173. | 5.8% | Upper Merion Area School District / 33,982 |
| 173. | 5.8% | South Fayette Township School District / 13,915 |
| 175. | 5.8% | North Pocono School District / 20,047 |
| 176. | 5.8% | Canton Area School District / 6,292 |
| 176. | 5.8% | Big Beaver Falls Area School District / 13,764 |
| 178. | 5.8% | North Penn School District / 97,098 |
| 178. | 5.8% | Gettysburg Area School District / 27,403 |
| 180. | 5.8% | Souderton Area School District / 44,653 |
| 180. | 5.8% | Philipsburg-Osceola Area School District / 15,254 |
| 182. | 5.8% | Crestwood School District / 19,680 |
| 183. | 5.8% | Springfield School District / 26,717 |
| 183. | 5.8% | Pocono Mountain School District / 63,678 |
| 185. | 5.8% | Penn-Delco School District / 26,760 |
| 185. | 5.8% | Peters Township School District / 20,528 |
| 185. | 5.8% | Lakeview School District / 8,438 |
| 188. | 5.7% | Panther Valley School District / 13,074 |
| 188. | 5.7% | Exeter Township School District / 26,754 |
| 188. | 5.7% | Williams Valley School District / 7,422 |
| 191. | 5.7% | Northampton Area School District / 41,449 |
| 191. | 5.7% | Wilkes-Barre Area School District / 59,972 |
| 193. | 5.7% | South Williamsport Area School District / 9,224 |
| 193. | 5.7% | Juniata Valley School District / 5,389 |
| 195. | 5.7% | Avon Grove School District / 29,201 |
| 195. | 5.7% | Pine Grove Area School District / 11,559 |
| 195. | 5.7% | Scranton School District / 76,065 |
| 198. | 5.7% | Bristol Township School District / 55,003 |
| 198. | 5.7% | Kane Area School District / 7,440 |
| 198. | 5.7% | Bensalem Township School District / 60,173 |
| 198. | 5.7% | Governor Mifflin School District / 30,776 |
| 202. | 5.7% | Manheim Township School District / 37,360 |
| 203. | 5.7% | Springfield Township School District / 19,458 |
| 203. | 5.7% | Abington School District / 57,966 |
| 203. | 5.7% | Bald Eagle Area School District / 13,389 |
| 203. | 5.7% | Cumberland Valley School District / 53,263 |
| 207. | 5.6% | Whitehall-Coplay School District / 29,738 |
| 207. | 5.6% | Centennial School District / 48,646 |
| 207. | 5.6% | West Chester Area School District / 107,674 |
| 210. | 5.6% | Shaler Area School District / 39,406 |
| 210. | 5.6% | Wilson School District / 37,854 |
| 210. | 5.6% | McKeesport Area School District / 31,829 |
| 210. | 5.6% | Sharpsville Area School District / 7,762 |
| 214. | 5.6% | Wellsboro Area School District / 11,439 |
| 215. | 5.6% | Southern York County School District / 20,526 |
| 216. | 5.6% | North East School District / 10,659 |
| 216. | 5.6% | Shenandoah Valley School District / 8,060 |
| 218. | 5.6% | Pen Argyl Area School District / 12,488 |
| 218. | 5.6% | Hempfield School District / 46,411 |
| 218. | 5.6% | Loyalsock Township School District / 10,959 |
| 218. | 5.6% | North Allegheny School District / 49,124 |
| 222. | 5.6% | Norwin School District / 35,282 |
| 222. | 5.6% | Eastern York School District / 19,207 |
| 224. | 5.6% | Southern Huntingdon County School District / 8,193 |
| 225. | 5.6% | South Eastern School District / 19,685 |
| 226. | 5.6% | East Pennsboro Area School District / 19,812 |
| 227. | 5.5% | Pennsbury School District / 71,441 |
| 228. | 5.5% | Keystone Central School District / 36,934 |
| 228. | 5.5% | Spring Cove School District / 13,924 |
| 228. | 5.5% | Port Allegany School District / 5,776 |
| 231. | 5.5% | Susquehanna Township School District / 23,614 |
| 232. | 5.5% | Northern Bedford County School District / 7,006 |
| 233. | 5.5% | Camp Hill School District / 7,829 |
| 234. | 5.5% | Middletown Area School District / 18,304 |
| 234. | 5.5% | Jenkintown School District / 4,446 |
| 234. | 5.5% | Colonial School District / 41,428 |
| 234. | 5.5% | Benton Area School District / 5,160 |
| 234. | 5.5% | Hazleton Area School District / 71,258 |
| 239. | 5.5% | Hamburg Area School District / 17,991 |
| 240. | 5.4% | Berwick Area School District / 22,119 |
| 241. | 5.4% | Dallas School District / 20,419 |
| 242. | 5.4% | Keystone School District / 7,551 |
| 242. | 5.4% | Carbondale Area School District / 11,217 |
| 244. | 5.4% | Crawford Central School District / 30,518 |
| 244. | 5.4% | Conrad Weiser Area School District / 18,544 |
| 246. | 5.4% | Forest Hills School District / 12,774 |
| 246. | 5.4% | Carlynton School District / 14,502 |
| 246. | 5.4% | Plum Borough School District / 26,849 |
| 249. | 5.4% | Cornwall-Lebanon School District / 33,892 |
| 250. | 5.4% | Montoursville Area School District / 13,241 |
| 250. | 5.4% | Southern Lehigh School District / 20,633 |
| 250. | 5.4% | Bellefonte Area School District / 25,249 |
| 253. | 5.4% | Brentwood Borough School District / 9,711 |
| 253. | 5.4% | Selinsgrove Area School District / 22,383 |
| 255. | 5.4% | Troy Area School District / 10,970 |
| 256. | 5.3% | Central Dauphin School District / 89,004 |
| 256. | 5.3% | Blue Ridge School District / 8,152 |
| 256. | 5.3% | Union Area School District / 5,526 |
| 259. | 5.3% | Baldwin-Whitehall School District / 35,527 |
| 260. | 5.3% | North Hills School District / 37,909 |
| 261. | 5.3% | Mars Area School District / 18,203 |
| 261. | 5.3% | Northgate School District / 13,137 |
| 261. | 5.3% | Williamsport Area School District / 42,476 |
| 261. | 5.3% | Bethlehem Area School District / 116,078 |
| 265. | 5.3% | Danville Area School District / 18,613 |
| 265. | 5.3% | Woodland Hills School District / 47,481 |
| 265. | 5.3% | McGuffey School District / 12,939 |
| 265. | 5.3% | Tussey Mountain School District / 6,872 |
| 269. | 5.3% | Lower Dauphin School District / 24,315 |
| 269. | 5.3% | Lower Merion School District / 62,315 |
| 269. | 5.3% | Claysburg-Kimmel School District / 5,635 |
| 272. | 5.3% | Brownsville Area School District / 14,984 |
| 273. | 5.3% | Tredyffrin-Easttown School District / 40,018 |
| 273. | 5.3% | Ellwood City Area School District / 14,876 |
| 275. | 5.3% | Punxsutawney Area School District / 20,825 |
| 275. | 5.3% | Curwensville Area School District / 7,233 |
| 277. | 5.2% | Bethel Park School District / 32,813 |
| 277. | 5.2% | West York Area School District / 23,407 |
| 279. | 5.2% | Cheltenham Township School District / 36,795 |
| 280. | 5.2% | Tamaqua Area School District / 16,378 |
| 280. | 5.2% | Southern Columbia Area School District / 10,274 |
| 280. | 5.2% | Brockway Area School District / 7,283 |
| 283. | 5.2% | Johnsonburg Area School District / 4,814 |
| 284. | 5.2% | Southern Tioga School District / 15,602 |
| 284. | 5.2% | Stroudsburg Area School District / 34,377 |
| 284. | 5.2% | Penn Manor School District / 40,554 |
| 287. | 5.2% | Tuscarora School District / 18,181 |
| 287. | 5.2% | Homer-Center School District / 6,634 |
| 287. | 5.2% | Fort LeBoeuf School District / 13,924 |
| 290. | 5.2% | Shade-Central City School District / 4,070 |
| 290. | 5.2% | Upper Moreland Township School District / 24,245 |
| 290. | 5.2% | Bradford Area School District / 21,393 |
| 293. | 5.2% | Methacton School District / 34,270 |
| 293. | 5.2% | Lackawanna Trail School District / 8,361 |
| 293. | 5.2% | Ambridge Area School District / 23,900 |
| 293. | 5.2% | Conewago Valley School District / 26,476 |
| 297. | 5.2% | Mid Valley School District / 15,241 |
| 297. | 5.2% | Ringgold School District / 26,316 |
| 299. | 5.2% | Wilmington Area School District / 11,972 |
| 299. | 5.2% | Pleasant Valley School District / 33,771 |
| 301. | 5.1% | Penncrest School District / 25,026 |
| 302. | 5.1% | Bellwood-Antis School District / 8,495 |
| 302. | 5.1% | Clearfield Area School District / 19,187 |
| 304. | 5.1% | Interboro School District / 23,667 |
| 304. | 5.1% | Warren County School District / 38,845 |
| 306. | 5.1% | Bristol Borough School District / 9,831 |
| 306. | 5.1% | Gateway School District / 31,647 |
| 306. | 5.1% | Susquenita School District / 14,777 |
| 309. | 5.1% | Conemaugh Township Area School District / 8,369 |
| 309. | 5.1% | Millcreek Township School District / 52,960 |
| 311. | 5.1% | Central York School District / 35,526 |
| 311. | 5.1% | Coudersport Area School District / 5,780 |
| 311. | 5.1% | Southern Fulton School District / 5,578 |
| 314. | 5.1% | Uniontown Area School District / 24,156 |
| 314. | 5.1% | Laurel School District / 8,196 |
| 316. | 5.1% | Dover Area School District / 25,495 |
| 316. | 5.1% | Avella Area School District / 4,097 |
| 318. | 5.0% | Penn Hills School District / 42,856 |
| 318. | 5.0% | Millersburg Area School District / 6,690 |
| 318. | 5.0% | Northern Lehigh School District / 13,068 |
| 321. | 5.0% | Lampeter-Strasburg School District / 22,357 |
| 321. | 5.0% | New Kensington-Arnold School District / 18,626 |
| 323. | 5.0% | Big Spring School District / 20,386 |
| 323. | 5.0% | Butler Area School District / 55,253 |
| 325. | 5.0% | Trinity Area School District / 25,984 |
| 325. | 5.0% | Pine-Richland School District / 21,423 |
| 327. | 5.0% | Pittston Area School District / 27,834 |
| 328. | 5.0% | Everett Area School District / 10,030 |
| 328. | 5.0% | Muhlenberg School District / 23,118 |
| 328. | 5.0% | North Schuylkill School District / 17,040 |
| 331. | 5.0% | Franklin Area School District / 16,585 |
| 331. | 5.0% | Blackhawk School District / 17,625 |
| 331. | 5.0% | Old Forge School District / 8,374 |
| 334. | 5.0% | Rose Tree Media School District / 35,322 |
| 335. | 5.0% | Pittsburgh School District / 311,470 |
| 335. | 5.0% | Blue Mountain School District / 20,410 |
| 337. | 5.0% | Delaware Valley School District / 29,248 |
| 337. | 5.0% | Riverside Beaver County School District / 10,520 |
| 339. | 4.9% | East Stroudsburg Area School District / 46,994 |
| 339. | 4.9% | Mercer Area School District / 10,585 |
| 339. | 4.9% | Greater Latrobe School District / 31,057 |
| 342. | 4.9% | Owen J. Roberts School District / 31,934 |
| 342. | 4.9% | Abington Heights School District / 23,647 |
| 344. | 4.9% | Northern Tioga School District / 14,714 |
| 344. | 4.9% | St. Marys Area School District / 19,401 |
| 344. | 4.9% | Yough School District / 16,604 |
| 347. | 4.9% | Neshaminy School District / 71,039 |
| 347. | 4.9% | Quaker Valley School District / 13,478 |
| 349. | 4.9% | Harbor Creek School District / 16,992 |
| 349. | 4.9% | Moon Area School District / 26,199 |
| 351. | 4.9% | Wyoming Area School District / 19,449 |
| 351. | 4.9% | North Star School District / 9,172 |
| 351. | 4.9% | Penn Cambria School District / 17,435 |
| 351. | 4.9% | Beaver Area School District / 14,777 |
| 355. | 4.9% | Connellsville Area School District / 35,324 |
| 356. | 4.8% | Upper Dublin School District / 25,606 |
| 356. | 4.8% | Berlin Brothersvalley School District / 5,805 |
| 356. | 4.8% | Rochester Area School District / 7,272 |
| 356. | 4.8% | Conemaugh Valley School District / 6,753 |
| 360. | 4.8% | Mechanicsburg Area School District / 28,023 |
| 360. | 4.8% | Franklin Regional School District / 22,656 |
| 362. | 4.8% | West Greene School District / 5,005 |
| 362. | 4.8% | Lake-Lehman School District / 16,708 |
| 362. | 4.8% | West Mifflin Area School District / 21,922 |
| 362. | 4.8% | Fox Chapel Area School District / 28,519 |
| 366. | 4.8% | Penn-Trafford School District / 25,802 |
| 367. | 4.8% | Laurel Highlands School District / 23,820 |
| 367. | 4.8% | Millville Area School District / 5,223 |
| 369. | 4.8% | Wallenpaupack Area School District / 24,713 |
| 369. | 4.8% | Hanover Area School District / 15,628 |
| 369. | 4.8% | Upper Saint Clair School District / 19,188 |
| 372. | 4.8% | Bermudian Springs School District / 13,299 |
| 373. | 4.8% | Bloomsburg Area School District / 20,052 |
| 374. | 4.7% | Montrose Area School District / 12,320 |
| 374. | 4.7% | Lehighton Area School District / 17,883 |
| 376. | 4.7% | Wissahickon School District / 36,426 |
| 376. | 4.7% | Hempfield Area School District / 51,051 |
| 376. | 4.7% | Nazareth Area School District / 27,438 |
| 376. | 4.7% | South Butler County School District / 18,902 |
| 376. | 4.7% | Lakeland School District / 12,493 |
| 376. | 4.7% | Chartiers Valley School District / 30,026 |
| 382. | 4.7% | Tunkhannock Area School District / 19,104 |
| 382. | 4.7% | Wallingford-Swarthmore School District / 21,735 |
| 382. | 4.7% | Annville-Cleona School District / 12,487 |
| 385. | 4.7% | Warrior Run School District / 17,583 |
| 386. | 4.7% | Ridgway Area School District / 7,084 |
| 386. | 4.7% | Redbank Valley School District / 8,190 |
| 388. | 4.7% | Tri-Valley School District / 6,631 |
| 389. | 4.7% | Greater Nanticoke Area School District / 18,842 |
| 390. | 4.7% | Schuylkill Valley School District / 14,909 |
| 390. | 4.7% | Mohawk Area School District / 10,640 |
| 392. | 4.7% | Bedford Area School District / 16,427 |
| 393. | 4.6% | Belle Vernon Area School District / 18,856 |
| 393. | 4.6% | Neshannock Township School District / 9,528 |
| 393. | 4.6% | Shanksville-Stonycreek School District / 2,910 |
| 396. | 4.6% | Northwest Area School District / 9,574 |
| 397. | 4.6% | Purchase Line School District / 7,612 |
| 397. | 4.6% | Aliquippa School District / 9,779 |
| 397. | 4.6% | South Side Area School District / 6,922 |
| 397. | 4.6% | Wayne Highlands School District / 22,060 |
| 401. | 4.6% | Oley Valley School District / 13,436 |
| 402. | 4.6% | South Park School District / 13,448 |
| 402. | 4.6% | Commodore Perry School District / 4,282 |
| 404. | 4.6% | Saint Clair Area School District / 6,799 |
| 404. | 4.6% | Fairfield Area School District / 8,132 |
| 406. | 4.6% | Kiski Area School District / 28,824 |
| 407. | 4.5% | Meyersdale Area School District / 7,141 |
| 408. | 4.5% | Southmoreland School District / 15,390 |
| 408. | 4.5% | Council Rock School District / 72,280 |
| 410. | 4.5% | South Allegheny School District / 11,965 |
| 410. | 4.5% | Hopewell Area School District / 18,310 |
| 410. | 4.5% | Leechburg Area School District / 6,059 |
| 413. | 4.5% | Northwestern Lehigh School District / 14,552 |
| 414. | 4.5% | Highlands School District / 20,690 |
| 414. | 4.5% | Somerset Area School District / 21,052 |
| 416. | 4.5% | Burgettstown Area School District / 10,003 |
| 417. | 4.5% | Lower Moreland Township School District / 12,662 |
| 418. | 4.5% | York Suburban School District / 22,072 |
| 419. | 4.4% | Hermitage School District / 16,155 |
| 420. | 4.4% | Central Cambria School District / 13,860 |
| 421. | 4.4% | Clairton City School District / 7,023 |
| 422. | 4.4% | Indiana Area School District / 32,652 |
| 422. | 4.4% | Mount Pleasant Area School District / 18,184 |
| 424. | 4.4% | Shamokin Area School District / 20,697 |
| 424. | 4.4% | Cameron County School District / 5,197 |
| 426. | 4.4% | West Jefferson Hills School District / 19,342 |
| 427. | 4.4% | Western Beaver County School District / 5,419 |
| 428. | 4.4% | Muncy School District / 7,121 |
| 429. | 4.3% | Garnet Valley School District / 27,007 |
| 430. | 4.3% | Mountain View School District / 8,285 |
| 430. | 4.3% | Westmont Hilltop School District / 13,082 |
| 432. | 4.3% | Parkland School District / 53,681 |
| 433. | 4.3% | Hampton Township School District / 18,055 |
| 434. | 4.3% | Elizabeth Forward School District / 18,139 |
| 434. | 4.3% | Glendale School District / 5,280 |
| 436. | 4.3% | Riverview School District / 9,015 |
| 437. | 4.2% | General McLane School District / 17,348 |
| 437. | 4.2% | Brandywine Heights Area School District / 13,180 |
| 439. | 4.2% | Burrell School District / 13,962 |
| 440. | 4.2% | Fort Cherry School District / 8,823 |
| 440. | 4.2% | South Middleton School District / 14,394 |
| 442. | 4.2% | Wyomissing Area School District / 12,734 |
| 443. | 4.2% | Wattsburg Area School District / 10,254 |
| 443. | 4.2% | Marple Newtown School District / 35,527 |
| 445. | 4.2% | Cranberry Area School District / 9,364 |
| 446. | 4.2% | Freedom Area School District / 10,960 |
| 447. | 4.2% | Northern Cambria School District / 7,862 |
| 448. | 4.2% | Sullivan County School District / 6,467 |
| 449. | 4.2% | Apollo-Ridge School District / 9,571 |
| 450. | 4.1% | Huntingdon Area School District / 19,939 |
| 450. | 4.1% | Fairview School District / 10,062 |
| 452. | 4.1% | Mount Carmel Area School District / 12,529 |
| 453. | 4.1% | Austin Area School District / 1,213 |
| 454. | 4.1% | Bryn Athyn School District / 1,172 |
| 455. | 4.1% | Montour School District / 25,181 |
| 455. | 4.1% | Hollidaysburg Area School District / 26,993 |
| 455. | 4.1% | Saucon Valley School District / 16,623 |
| 458. | 4.1% | West Branch Area School District / 8,252 |
| 459. | 4.1% | Wyoming Valley West School District / 42,421 |
| 459. | 4.1% | Bethlehem-Center School District / 8,410 |
| 461. | 4.1% | Greensburg Salem School District / 26,260 |
| 462. | 4.0% | Southeastern Greene School District / 4,632 |
| 463. | 4.0% | Slippery Rock Area School District / 20,311 |
| 463. | 4.0% | Carmichaels Area School District / 7,081 |
| 465. | 4.0% | Keystone Oaks School District / 20,851 |
| 466. | 4.0% | Shenango Area School District / 7,977 |
| 466. | 4.0% | Otto-Eldred School District / 4,390 |
| 468. | 4.0% | Unionville-Chadds Ford School District / 23,700 |
| 469. | 4.0% | Grove City Area School District / 17,417 |
| 470. | 4.0% | Frazier School District / 8,306 |
| 470. | 4.0% | Salisbury Township School District / 13,545 |
| 472. | 3.9% | Greenville Area School District / 10,835 |
| 472. | 3.9% | Palisades School District / 15,236 |
| 474. | 3.9% | Bangor Area School District / 22,658 |
| 475. | 3.9% | New Hope-Solebury School District / 11,033 |
| 476. | 3.9% | Cornell School District / 6,846 |
| 477. | 3.8% | Western Wayne School District / 18,324 |
| 478. | 3.8% | Kutztown Area School District / 18,595 |
| 479. | 3.8% | Blairsville-Saltsburg School District / 13,651 |
| 480. | 3.8% | Jefferson-Morgan School District / 6,286 |
| 481. | 3.7% | Radnor Township School District / 31,380 |
| 482. | 3.7% | Dunmore School District / 14,092 |
| 483. | 3.7% | Ligonier Valley School District / 16,029 |
| 484. | 3.7% | Central Columbia School District / 15,367 |
| 485. | 3.6% | State College Area School District / 90,446 |
| 486. | 3.6% | Chartiers-Houston School District / 9,081 |
| 487. | 3.6% | California Area School District / 11,275 |
| 488. | 3.4% | Mahanoy Area School District / 11,637 |
| 489. | 3.3% | Windber Area School District / 8,880 |
| 490. | 3.3% | Reynolds School District / 9,973 |
| 490. | 3.3% | Weatherly Area School District / 5,436 |
| 492. | 3.3% | Moshannon Valley School District / 9,018 |
| 493. | 3.3% | Lewisburg Area School District / 19,039 |
| 494. | 3.2% | Clarion-Limestone Area School District / 8,197 |
| 495. | 3.1% | Clarion Area School District / 8,941 |
| 496. | 3.1% | Charleroi School District / 12,114 |
| 497. | 3.0% | Richland School District / 14,515 |
| 498. | 2.9% | Allegheny Valley School District / 9,566 |
| 499. | 2.8% | Forest Area School District / 8,124 |
| 500. | 2.7% | Forest City Regional School District / 5,560 |
Please note that we only rank locations with 'Percentage of Population Age 5 or Less' data. The rank above might not be a complete list. Locations without 'Percentage of Population Age 5 or Less' 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.
