| District | Name | Housing Eligible |
|---|---|---|
| 5 | Shanksville Stonycreek HS | |
| 3 | Sharlom Christian Academy HS | |
| 10 | Sharon HS | |
| 10 | Sharpsville Area HS | |
| 9 | Sheffield Area HS | |
| 11 | Shenandoah Valley HS | |
| 7 | Shenango HS | |
| 4 | Shikellamy HS | |
| 3 | Shippensburg Area HS | |
| 12 | Shoemaker Mastery Charter School | |
| 12 | Simon Gratz Mastery Charter School | |
| 10 | Slippery Rock Area HS | |
| 9 | Smethport Area HS | |
| 3 | Solanco HS | |
| 5 | Somerset Area HS | |
| 5 | Somerset Christian HS | |
| 1 | Souderton Area HS | |
| 7 | South Allegheny HS | |
| 7 | South Fayette HS | |
| 7 | South Park HS | |
| 12 | South Philadelphia HS | |
| 7 | South Side HS | |
| 3 | South Western HS | |
| 4 | South Williamsport Area HS | |
| 4 | Southern Columbia Area HS | |
| 5 | Southern Fulton HS | |
| 6 | Southern Huntingdon County HS | |
| 11 | Southern Lehigh HS | |
| 7 | Southmoreland HS | |
| 3 | Spring Grove Area HS |