| Name |
County |
| Holy Family Academy |
Allegheny County |
| Holy Ghost Preparatory School |
Bucks County |
| Holy Redeemer High School |
Luzerne County |
| Honesdale High School |
Wayne County |
| Hopewell Area High School |
Beaver County |
| Horace Furness High School |
Philadelphia County |
| Huntingdon Area High School |
Huntingdon County |
| I - LEAD Charter School |
Berks County |
| Ignite Learning Center |
Lebanon County |
| Imhotep Institute Charter High School |
Philadelphia County |
| Indiana Area Senior High School |
Indiana County |
| Indiana County Technology Center |
Indiana County |
| Interboro High School |
Delaware County |
| International Christian High School |
Philadelphia County |
| James Buchanan High School |
Franklin County |
| James M Coughlin High School |
Luzerne County |
| Jersey Shore Area Senior High School |
Lycoming County |
| Jim Thorpe Area High School |
Carbon County |
| John Bartram High School |
Philadelphia County |
| John W Hallahan Catholic Girls? High School |
Philadelphia County |
| JP McCaskey High School |
Lancaster County |
| Jules E Mastbaum High School |
Philadelphia County |
| Juniata Senior High School |
Juniata County |
| Kane Area High School |
McKean County |
| Kennard Dale High School |
York County |
| Kennett High School |
Chester County |
| Kensington Health Sciences Academy |
Philadelphia County |
| Kensington High School |
Philadelphia County |
| Kensington High School for the Creative and Performing Arts |
Philadelphia County |
| Keystone Oaks High School |
Allegheny County |
| KIPP DuBois Collegiate Academy |
Philadelphia County |
| Kiski Area High School |
Westmoreland County |
| Knoch High School |
Butler County |
| Kohelet Yeshiva High School |
Montgomery County |
| Kosloff Torah Academy High School for Girls |
Montgomery County |
| Kutztown Area High School |
Berks County |
| La Salle College High School |
Montgomery County |
| Lampeter - Strasburg High School |
Lancaster County |
| Lancaster Catholic High School |
Lancaster County |
| Lancaster County Academy |
Lancaster County |
| Lancaster County Career and Technology Center - Mount Joy Campus |
Lancaster County |
| Lancaster County Career and Technology Center - Willow Street Campus |
Lancaster County |
| Lankenau Environmental Science Magnet High School |
Philadelphia County |
| Lansdale Catholic High School |
Montgomery County |
| Laurel Highlands High School |
Fayette County |
| Lebanon Senior High School |
Lebanon County |
| Lehigh Valley Charter High School for the Arts |
Northampton County |
| Lehigh Valley Christian High School |
Lehigh County |
| Lehigh Valley Christian High School |
Northampton County |
| Lehighton Area High School |
Carbon County |
| Lenape Technical School |
Armstrong County |
| Lewisburg Area High School |
Union County |
| Liberty High School |
Northampton County |
| Ligonier Valley High School |
Westmoreland County |
| Line Mountain High School |
Northumberland County |
| Linville Hill Christian High School |
Lancaster County |
| Little Flower High School |
Philadelphia County |
| Littlestown Senior High School |
Adams County |
| Louis E Dieruff High School |
Lehigh County |
| Lower Dauphin High School |
Dauphin County |
| Lower Merion High School |
Montgomery County |
| Lower Moreland High School |
Montgomery County |
| Loyalsock Township Senior High School |
Lycoming County |
| Manheim Central High School |
Lancaster County |
| Manheim Township High School |
Lancaster County |
| Marian Catholic High School |
Schuylkill County |
| Marple Newtown High School |
Delaware County |
| Mars Area High School |
Butler County |
| Martin Luther King High School |
Philadelphia County |
| Martin Saints Classical High School |
Montgomery County |
| Mastery Charter School - Simon Gratz High School |
Philadelphia County |
| McCaskey East High School |
Lancaster County |
| McDowell Senior High School |
Erie County |
| McGuffey High School |
Washington County |
| McKeesport Area High School |
Allegheny County |
