Delaware County schools ranked by test score
Latest PSSA + Keystone year (2024-25). 16 schools in Delaware County, Pennsylvania with reported English Language Arts scores. Pennsylvania state average: 51.1%.
| Rank | School | Level | English Language Arts | vs state |
|---|---|---|---|---|
| 1 | Springfield HS Springfield · Springfield SD | High | 91.9% | +40.8pp |
| 2 | Radnor SHS Radnor · Radnor Township SD | High | 90.8% | +39.7pp |
| 3 | Haverford SHS Havertown · Haverford Township SD | High | 86.3% | +35.2pp |
| 4 | Penncrest HS Media · Rose Tree Media SD | High | 86.3% | +35.2pp |
| 5 | Garnet Valley HS Glen Mills · Garnet Valley SD | High | 86.2% | +35.1pp |
| 6 | Strath Haven HS Wallingford · Wallingford-Swarthmore SD | High | 82.5% | +31.4pp |
| 7 | Marple Newtown SHS Newtown Square · Marple Newtown SD | High | 67.7% | +16.6pp |
| 8 | Sun Valley HS Aston · Penn-Delco SD | High | 65.8% | +14.7pp |
| 9 | Interboro SHS Prospect Park · Interboro SD | High | 63.5% | +12.4pp |
| 10 | Ridley HS Folsom · Ridley SD | High | 60.0% | +8.9pp |
| 11 | Chichester SHS Boothwyn · Chichester SD | High | 59.6% | +8.5pp |
| 12 | Academy Park HS Sharon Hill · Southeast Delco SD | High | 41.4% | -9.7pp |
| 13 | Penn Wood HS Lansdowne · William Penn SD | High | 35.4% | -15.7pp |
| 14 | Upper Darby SHS Drexel Hill · Upper Darby SD | High | 32.4% | -18.7pp |
| 15 | STEM at Showalter Chester · Chester-Upland SD | High | 28.4% | -22.7pp |
| 16 | Chester HS Chester · Chester-Upland SD | High | 12.8% | -38.3pp |
About this ranking
Schools are ranked by the percentage of students who scored at or above the PSSA + Keystone % Proficient or Advanced threshold on the latest available PSSA + Keystone English Language Arts test (school year 2024-25). Only public schools in Delaware County, Pennsylvania with a reasonable cohort size are shown. A higher percentage is better.
The comparison column shows the gap to the Pennsylvania statewide enrollment-weighted average. To compare against neighboring counties, use the full Pennsylvania ranking.