| Name |
County |
| Catasauqua High School |
Northampton County |
| Cathedral Preparatory School |
Erie County |
| Cedar Cliff High School |
Cumberland County |
| Cedar Crest High School |
Lebanon County |
| Central Bucks High School East |
Bucks County |
| Central Bucks High School South |
Bucks County |
| Central Bucks High School West |
Bucks County |
| Central Cambria High School |
Cambria County |
| Central Catholic High School |
Allegheny County |
| Central Columbia High School |
Columbia County |
| Central Dauphin East Senior High School |
Dauphin County |
| Central Dauphin Senior High School |
Dauphin County |
| Central High School |
Blair County |
| Central High School |
Philadelphia County |
| Central Mountain High School |
Clinton County |
| Central Pennsylvania Institute of Science and Technology |
Centre County |
| Central Valley High School |
Beaver County |
| Central York High School |
York County |
| Chambersburg Area Career Magnet School |
Franklin County |
| Chambersburg Area Senior High School |
Franklin County |
| Charleroi Area High School |
Washington County |
| Chartiers Valley High School |
Allegheny County |
| Cheltenham High School |
Montgomery County |
| Chester County Intermediate Unit Learning Center |
Chester County |
| Chester County Technical College High School Brandywine Campus |
Chester County |
| Chester County Technical College High School Pennock's Bridge Campus |
Chester County |
| Chester High School |
Delaware County |
| Chestnut Ridge Senior High School |
Bedford County |
| Chichester High School |
Delaware County |
| City Charter High School |
Allegheny County |
| Clarion - Limestone High School |
Clarion County |
| Claysburg - Kimmel High School |
Blair County |
| Cocalico High School |
Lancaster County |
| Columbia High School |
Lancaster County |
| Conestoga High School |
Chester County |
| Conestoga Valley High School |
Lancaster County |
| Conneaut Area Senior High School |
Crawford County |
| Connellsville Area Career and Technical Center |
Fayette County |
| Connellsville Area High School |
Fayette County |
| Conrad Weiser High School |
Berks County |
| Constitution High School |
Philadelphia County |
| Conwell - Egan Catholic High School |
Bucks County |
| Council Rock High School North |
Bucks County |
| Council Rock High School South |
Bucks County |
| Cranberry Senior High School |
Venango County |
| Cristo Rey Philadelphia High School |
Philadelphia County |
| Cumberland Perry Area Vocational Technical School |
Cumberland County |
| Cumberland Valley High School |
Cumberland County |
| Curwensville High School |
Clearfield County |
| Dallas High School |
Luzerne County |
| Dallastown Area Senior High School |
York County |
| Daniel Boone Area High School |
Berks County |
| Danville Area High School |
Montour County |
| Dauphin County Technical School |
Dauphin County |
| De La Salle Vocational School |
Bucks County |
| Deer Lakes High School |
Allegheny County |
| Delaware County Technical High School - Aston |
Delaware County |
| Delaware County Technical High School - Folcroft Campus |
Delaware County |
| Delaware County Technical High School - Marple Education Center |
Delaware County |
| Delaware Valley Charter High School |
Philadelphia County |
| Delaware Valley High School |
Pike County |
| Delone Catholic High School |
Adams County |
| Delta Program Democratic School |
Centre County |
| Derry Area High School |
Westmoreland County |
| Dock Mennonite Academy 9 - 12 Campus |
Montgomery County |
| Donegal Senior High School |
Lancaster County |
| Dover Area High School |
York County |
| Downingtown High School East |
Chester County |
| Downingtown High School West |
Chester County |
| DuBois Area Senior High School |
Clearfield County |
| Dunmore High School |
Lackawanna County |
| East Pennsboro Area Senior High School |
Cumberland County |
| East Stroudsburg Senior High School North |
Pike County |
| East Stroudsburg Senior High School South |
Monroe County |
| Eastern Lebanon County Senior High School |
Lebanon County |
