Delaware County schools ranked by test score
Latest PSSA + Keystone year (2024-25). 17 schools in Delaware County, Pennsylvania with reported Science scores. Pennsylvania state average: 50.6%.
| Rank | School | Level | Science | vs state |
|---|---|---|---|---|
| 1 | Haverford SHS Havertown · Haverford Township SD | High | 83.7% | +33.1pp |
| 2 | Penncrest HS Media · Rose Tree Media SD | High | 80.9% | +30.3pp |
| 3 | Radnor SHS Radnor · Radnor Township SD | High | 80.9% | +30.3pp |
| 4 | Springfield HS Springfield · Springfield SD | High | 79.8% | +29.2pp |
| 5 | Garnet Valley HS Glen Mills · Garnet Valley SD | High | 73.6% | +23.0pp |
| 6 | Strath Haven HS Wallingford · Wallingford-Swarthmore SD | High | 72.2% | +21.6pp |
| 7 | Marple Newtown SHS Newtown Square · Marple Newtown SD | High | 69.3% | +18.7pp |
| 8 | Sun Valley HS Aston · Penn-Delco SD | High | 51.1% | +0.5pp |
| 9 | Ridley HS Folsom · Ridley SD | High | 45.1% | -5.5pp |
| 10 | Interboro SHS Prospect Park · Interboro SD | High | 42.6% | -8.0pp |
| 11 | Chichester SHS Boothwyn · Chichester SD | High | 37.3% | -13.3pp |
| 12 | Upper Darby SHS Drexel Hill · Upper Darby SD | High | 31.5% | -19.1pp |
| 13 | Academy Park HS Sharon Hill · Southeast Delco SD | High | 19.0% | -31.6pp |
| 14 | Penn Wood HS Lansdowne · William Penn SD | High | 13.1% | -37.5pp |
| 15 | Chester Charter Scholars Academy CS Chester · Chester Charter Scholars Academy CS | Combined | 10.2% | -40.4pp |
| 16 | STEM at Showalter Chester · Chester-Upland SD | High | 9.0% | -41.6pp |
| 17 | Chester HS Chester · Chester-Upland SD | High | 2.7% | -47.9pp |
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 Science 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.