Delaware County schools ranked by test score
Latest PSSA + Keystone year (2024-25). 99 schools in Delaware County, Pennsylvania with reported Mathematics scores. Pennsylvania state average: 43.0%.
| Rank | School | Level | Mathematics | vs state |
|---|---|---|---|---|
| 1 | Ithan El Sch Bryn Mawr · Radnor Township SD | Elementary | 87.3% | +44.3pp |
| 2 | Swarthmore-Rutledge Sch Swarthmore · Wallingford-Swarthmore SD | Elementary | 85.3% | +42.3pp |
| 3 | Coopertown El Sch Bryn Mawr · Haverford Township SD | Elementary | 84.9% | +41.9pp |
| 4 | Scenic Hills El Sch Springfield · Springfield SD | Elementary | 84.8% | +41.8pp |
| 5 | Radnor SHS Radnor · Radnor Township SD | High | 84.6% | +41.6pp |
| 6 | Chatham Park El Sch Havertown · Haverford Township SD | Elementary | 84.3% | +41.3pp |
| 7 | Sabold El Sch Springfield · Springfield SD | Elementary | 83.7% | +40.7pp |
| 8 | Radnor El Sch Radnor · Radnor Township SD | Elementary | 82.9% | +39.9pp |
| 9 | Nether Providence El Sch Wallingford · Wallingford-Swarthmore SD | Elementary | 82.7% | +39.7pp |
| 10 | Wallingford El Sch Wallingford · Wallingford-Swarthmore SD | Elementary | 82.2% | +39.2pp |
| 11 | Wayne El Sch Wayne · Radnor Township SD | Elementary | 82.2% | +39.2pp |
| 12 | Rose Tree El Sch Media · Rose Tree Media SD | Elementary | 80.5% | +37.5pp |
| 13 | Springfield HS Springfield · Springfield SD | High | 79.9% | +36.9pp |
| 14 | Indian Lane El Sch Media · Rose Tree Media SD | Elementary | 79.5% | +36.5pp |
| 15 | Chestnutwold El Sch Ardmore · Haverford Township SD | Elementary | 79.1% | +36.1pp |
| 16 | Glenwood El Sch Media · Rose Tree Media SD | Elementary | 79.1% | +36.1pp |
| 17 | Media El Sch Media · Rose Tree Media SD | Elementary | 77.8% | +34.8pp |
| 18 | Lynnewood El Sch Havertown · Haverford Township SD | Elementary | 77.6% | +34.6pp |
| 19 | Radnor MS Wayne · Radnor Township SD | Middle | 77.0% | +34.0pp |
| 20 | Bethel Springs El Sch Garnet Valley · Garnet Valley SD | Elementary | 75.9% | +32.9pp |
| 21 | Manoa El Sch Havertown · Haverford Township SD | Elementary | 74.9% | +31.9pp |
| 22 | Garnet Valley HS Glen Mills · Garnet Valley SD | High | 74.5% | +31.5pp |
| 23 | Haverford SHS Havertown · Haverford Township SD | High | 72.4% | +29.4pp |
| 24 | Strath Haven HS Wallingford · Wallingford-Swarthmore SD | High | 72.4% | +29.4pp |
| 25 | Garnet Valley El Sch Glen Mills · Garnet Valley SD | Elementary | 69.9% | +26.9pp |
| 26 | Haverford MS Havertown · Haverford Township SD | Middle | 69.8% | +26.8pp |
| 27 | Hilltop El Sch Aston · Chichester SD | Elementary | 69.3% | +26.3pp |
| 28 | Worrall El Sch Broomall · Marple Newtown SD | Elementary | 69.2% | +26.2pp |
| 29 | Penncrest HS Media · Rose Tree Media SD | High | 66.3% | +23.3pp |
| 30 | Garnet Valley MS Glen Mills · Garnet Valley SD | Middle | 64.5% | +21.5pp |
| 31 | Springton Lake MS Media · Rose Tree Media SD | Middle | 64.4% | +21.4pp |
| 32 | Strath Haven MS Wallingford · Wallingford-Swarthmore SD | Middle | 63.9% | +20.9pp |
| 33 | Loomis El Sch Broomall · Marple Newtown SD | Elementary | 63.3% | +20.3pp |
| 34 | Russell El Sch Broomall · Marple Newtown SD | Elementary | 62.6% | +19.6pp |
| 35 | Culbertson El Sch Newtown Square · Marple Newtown SD | Elementary | 62.0% | +19.0pp |
| 36 | Richardson MS Springfield · Springfield SD | Middle | 60.6% | +17.6pp |
| 37 | Boothwyn El Sch Boothwyn · Chichester SD | Elementary | 57.8% | +14.8pp |
| 38 | Amosland El Sch Morton · Ridley SD | Elementary | 57.1% | +14.1pp |
| 39 | Leedom El Sch Ridley Park · Ridley SD | Elementary | 56.0% | +13.0pp |
| 40 | Marple Newtown SHS Newtown Square · Marple Newtown SD | High | 54.5% | +11.5pp |
| 41 | Lakeview El Sch Ridley Park · Ridley SD | Elementary | 51.2% | +8.2pp |
| 42 | Edgewood El Sch Folsom · Ridley SD | Elementary | 51.0% | +8.0pp |
| 43 | Aston El Sch Aston · Penn-Delco SD | Elementary | 50.5% | +7.5pp |
| 44 | Paxon Hollow MS Broomall · Marple Newtown SD | Middle | 50.1% | +7.1pp |
| 45 | Grace Park El Sch Swarthmore · Ridley SD | Elementary | 49.7% | +6.7pp |
| 46 | Ridley HS Folsom · Ridley SD | High | 49.7% | +6.7pp |
| 47 | Pennell El Sch Aston · Penn-Delco SD | Elementary | 49.5% | +6.5pp |
| 48 | Parkside El Sch Parkside · Penn-Delco SD | Elementary | 47.4% | +4.4pp |
| 49 | Coebourn El Sch Brookhaven · Penn-Delco SD | Elementary | 46.3% | +3.3pp |
| 50 | Eddystone El Sch Eddystone · Ridley SD | Elementary | 45.7% | +2.7pp |
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.