Rankings · Pennsylvania
Largest schools in Butler County, Pennsylvania
Ranked by enrollment — academic rankings appear once test-score data is loaded.
| # | School | City | District | Enrollment |
|---|---|---|---|---|
| 1 | Seneca Valley Hs | Harmony | Seneca Valley SD | 2341 |
| 2 | Butler Area Ihs | Butler | Butler Area SD | 1541 |
| 3 | Butler Area Shs | Butler | Butler Area SD | 1479 |
| 4 | Ryan Gloyer Ms | Harmony | Seneca Valley SD | 1148 |
| 5 | Mars Area Shs | Mars | Mars Area SD | 1033 |
| 6 | Butler Ms | Butler | Butler Area SD | 895 |
| 7 | Haine El Sch | Cranberry Twp | Seneca Valley SD | 838 |
| 8 | Mars Area El Sch | Mars | Mars Area SD | 798 |
| 9 | Connoquenessing Valley El Sch | Zelienople | Seneca Valley SD | 768 |
| 10 | Knoch Hs | Saxonburg | Knoch SD | 751 |
| 11 | Karns City Hs | Karns City | Karns City Area SD | 655 |
| 12 | Center Twp Sch | Butler | Butler Area SD | 644 |
| 13 | Dassa Mckinney El Sch | West Sunbury | Moniteau SD | 626 |
| 14 | Slippery Rock Area Hs | Slippery Rock | Slippery Rock Area SD | 611 |
| 15 | Haine Ms | Cranberry Twp | Seneca Valley SD | 574 |
| 16 | Moniteau Jshs | West Sunbury | Moniteau SD | 566 |
| 17 | Buffalo El Sch | Sarver | Freeport Area SD | 556 |
| 18 | Freeport Area Shs | Freeport | Freeport Area SD | 556 |
| 19 | Evans City El Sch | Evans City | Seneca Valley SD | 554 |
| 20 | Mars Area Ms | Mars | Mars Area SD | 514 |
| 21 | Rowan El Sch | Cranberry Twp | Seneca Valley SD | 510 |
| 22 | Evans City Ms | Evans City | Seneca Valley SD | 503 |
| 23 | Mars Area Primary Ctr | Mars | Mars Area SD | 503 |
| 24 | South Butler Primary Sch | Saxonburg | Knoch SD | 501 |
| 25 | Evans City Ms | Evans City | Seneca Valley SD | 489 |
| 26 | Knoch Ms | Saxonburg | Knoch SD | 487 |
| 27 | Slippery Rock Area Ms | Slippery Rock | Slippery Rock Area SD | 463 |
| 28 | Mars Area Centennial Sch | Mars | Mars Area SD | 457 |
| 29 | Freeport Area Ms | Sarver | Freeport Area SD | 446 |
| 30 | Slippery Rock Area El Sch | Slippery Rock | Slippery Rock Area SD | 438 |
| 31 | Mcquistion El Sch | Butler | Butler Area SD | 420 |
| 32 | Chicora El Sch | Chicora | Karns City Area SD | 417 |
| 33 | Moraine El Sch | Prospect | Slippery Rock Area SD | 333 |
| 34 | Northwest El Sch | Butler | Butler Area SD | 312 |
| 35 | South Butler Intermediate El Sch | Saxonburg | Knoch SD | 311 |
| 36 | Connoquenessing El Sch | Renfrew | Butler Area SD | 238 |
| 37 | Summit El Sch | Butler | Butler Area SD | 234 |
| 38 | Emily Brittain El Sch | Butler | Butler Area SD | 231 |
| 39 | Butler County Avts | Butler | Butler County AVTS | 21 |