| Adams County | 6 | Gettysburg Area School District29,323 people |
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| Allegheny County | 43 | Pittsburgh School District308,078 people |
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| Armstrong County | 8 | Armstrong School District40,849 people |
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| Beaver County | 14 | Ambridge Area School District23,295 people |
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| Bedford County | 6 | Bedford Area School District16,198 people |
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| Berks County | 19 | Reading School District95,242 people |
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| Blair County | 7 | Altoona Area School District56,459 people |
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| Bradford County | 7 | Athens Area School District14,432 people |
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| Bucks County | 13 | Central Bucks School District121,422 people |
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| Butler County | 9 | Seneca Valley School District56,601 people |
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| Cambria County | 13 | Greater Johnstown School District24,064 people |
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| Cameron County | 1 | Cameron County School District4,427 people |
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| Carbon County | 6 | Hazleton Area School District78,908 people |
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| Centre County | 7 | State College Area School District95,318 people |
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| Chester County | 13 | West Chester Area School District115,022 people |
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| Clarion County | 8 | Karns City Area School District9,459 people |
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| Clearfield County | 9 | DuBois Area School District31,351 people |
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| Clinton County | 3 | Keystone Central School District36,264 people |
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| Columbia County | 7 | Berwick Area School District21,998 people |
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| Crawford County | 7 | Crawford Central School District28,657 people |
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| Cumberland County | 9 | Cumberland Valley School District68,596 people |
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| Dauphin County | 12 | Central Dauphin School District104,750 people |
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| Delaware County | 17 | West Chester Area School District115,022 people |
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| Elk County | 6 | St. Marys Area School District18,236 people |
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| Erie County | 13 | Erie City School District93,850 people |
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| Fayette County | 8 | Connellsville Area School District31,303 people |
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| Forest County | 1 | Forest Area School District7,249 people |
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| Franklin County | 6 | Chambersburg Area School District71,372 people |
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| Fulton County | 3 | Central Fulton School District6,213 people |
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| Greene County | 5 | Central Greene School District14,378 people |
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| Huntingdon County | 6 | Huntingdon Area School District19,818 people |
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| Indiana County | 10 | Armstrong School District40,849 people |
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| Jefferson County | 5 | DuBois Area School District31,351 people |
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| Juniata County | 2 | Juniata County School District22,785 people |
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| Lackawanna County | 11 | Scranton School District76,033 people |
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| Lancaster County | 17 | Lancaster School District75,890 people |
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| Lawrence County | 8 | New Castle Area School District22,635 people |
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| Lebanon County | 6 | Cornwall-Lebanon School District38,642 people |
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| Lehigh County | 10 | Bethlehem Area School District123,622 people |
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| Luzerne County | 12 | Hazleton Area School District78,908 people |
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| Lycoming County | 11 | Williamsport Area School District39,635 people |
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| McKean County | 6 | Bradford Area School District18,999 people |
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| Mercer County | 14 | Crawford Central School District28,657 people |
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| Mifflin County | 2 | Mifflin County School District43,217 people |
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| Monroe County | 4 | Pocono Mountain School District63,442 people |
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| Montgomery County | 23 | North Penn School District106,423 people |
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| Montour County | 2 | Danville Area School District19,043 people |
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| Northampton County | 10 | Bethlehem Area School District123,622 people |
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| Northumberland County | 8 | Shikellamy School District22,297 people |
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| Perry County | 5 | West Perry School District19,251 people |
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| Philadelphia County | 1 | Philadelphia City School District1,579,706 people |
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| Pike County | 3 | East Stroudsburg Area School District48,514 people |
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| Potter County | 7 | Keystone Central School District36,264 people |
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| Schuylkill County | 14 | Hazleton Area School District78,908 people |
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| Snyder County | 2 | Selinsgrove Area School District22,580 people |
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| Somerset County | 11 | Somerset Area School District20,097 people |
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| Sullivan County | 1 | Sullivan County School District5,888 people |
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| Susquehanna County | 6 | Montrose Area School District10,660 people |
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| Tioga County | 5 | Southern Tioga School District14,611 people |
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| Union County | 4 | Lewisburg Area School District17,956 people |
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| Venango County | 8 | Penncrest School District22,826 people |
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| Warren County | 3 | Warren County School District34,764 people |
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| Washington County | 14 | Canon-McMillan School District41,017 people |
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| Wayne County | 6 | Wallenpaupack Area School District25,650 people |
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| Westmoreland County | 19 | Hempfield Area School District48,638 people |
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| Wyoming County | 6 | Wyoming Area School District19,330 people |
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| York County | 16 | West Shore School District67,264 people |
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