Delaware County schools ranked by test score
Latest PSSA + Keystone year (2024-25). 14 schools in Delaware County, Pennsylvania with reported Mathematics scores. Pennsylvania state average: 43.0%.
| Rank | School | Level | Mathematics | vs state |
|---|---|---|---|---|
| 1 | Radnor MS Wayne · Radnor Township SD | Middle | 77.0% | +34.0pp |
| 2 | Haverford MS Havertown · Haverford Township SD | Middle | 69.8% | +26.8pp |
| 3 | Garnet Valley MS Glen Mills · Garnet Valley SD | Middle | 64.5% | +21.5pp |
| 4 | Springton Lake MS Media · Rose Tree Media SD | Middle | 64.4% | +21.4pp |
| 5 | Strath Haven MS Wallingford · Wallingford-Swarthmore SD | Middle | 63.9% | +20.9pp |
| 6 | Richardson MS Springfield · Springfield SD | Middle | 60.6% | +17.6pp |
| 7 | Paxon Hollow MS Broomall · Marple Newtown SD | Middle | 50.1% | +7.1pp |
| 8 | Northley MS Aston · Penn-Delco SD | Middle | 33.8% | -9.2pp |
| 9 | Ridley MS Ridley Park · Ridley SD | Middle | 26.1% | -16.9pp |
| 10 | Chichester MS Boothwyn · Chichester SD | Middle | 20.8% | -22.2pp |
| 11 | Drexel Hill MS Drexel Hill · Upper Darby SD | Middle | 12.1% | -30.9pp |
| 12 | Beverly Hills MS Upper Darby · Upper Darby SD | Middle | 9.6% | -33.4pp |
| 13 | Penn Wood MS Darby · William Penn SD | Middle | 7.0% | -36.0pp |
| 14 | Toby Farms Intermediate School Chester Twp · Chester-Upland SD | Middle | 2.6% | -40.4pp |
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 Mathematics 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.