| District | Name | Housing Eligible |
|---|---|---|
| 2 | MMI Preparatory School | |
| 7 | Mohawk HS | |
| 7 | Monessen HS | |
| 9 | Moniteau HS | |
| 4 | Montgomery Area HS | |
| 7 | Montour HS | |
| 4 | Montoursville Area HS | |
| 2 | Montrose HS | |
| 7 | Moon Area HS | |
| 11 | Moravian Academy | |
| 1 | Morrisville HS | |
| 6 | Moshannon Valley HS | |
| 12 | Motivation High School | |
| 3 | Mount Calvary Christian School | |
| 4 | Mount Carmel Area HS | |
| 7 | Mount Lebanon HS | |
| 7 | Mount Pleasant Area HS | |
| 1 | Mount Saint Joseph Academy | |
| 6 | Mount Union Area HS | |
| 2 | Mountain View HS | |
| 12 | Msgr Bonner & Abp Prendergast HS | |
| 3 | Muhlenberg HS | |
| 4 | Muncy HS | |
| 12 | Murrell Dobbins CTE HS | |
| 11 | Nativity BVM HS | |
| 12 | Nazareth Academy HS | |
| 11 | Nazareth Area HS | |
| 7 | Nazareth Prep | |
| 1 | Neshaminy HS | |
| 7 | Neshannock HS |