Districts in Delaware County14 districts, sorted by rating
| District | City | Rating | Zip Codes |
|---|---|---|---|
| Radnor Township School District | Bryn Mawr | 10/10 Excellent · 99th pct | 2 |
| Springfield School District | Springfield | 10/10 Excellent · 97th pct | 1 |
| Haverford Township School District | Ardmore | 10/10 Excellent · 96th pct | 3 |
| Rose Tree Media School District | Lenni | 10/10 Excellent · 96th pct | 2 |
| Wallingford-Swarthmore School District | Swarthmore | 10/10 Excellent · 95th pct | 2 |
| Marple Newtown School District | Broomall | 10/10 Excellent · 93rd pct | 2 |
| Garnet Valley School District | Chester Heights | 9/10 Excellent · 90th pct | 3 |
| Penn-Delco School District | Aston | 6/10 Average · 60th pct | 2 |
| Ridley School District | Crum Lynne | 3/10 Below Average · 30th pct | 6 |
| Interboro School District | Essington | 3/10 Below Average · 25th pct | 5 |
| Chichester School District | Marcus Hook | 2/10 Poor · 12th pct | 1 |
| Upper Darby School District | Clifton Heights | 1/10 Poor · 7th pct | 4 |
| Southeast Delco School District | Darby | 1/10 Poor · 3rd pct | 3 |
| Chester-Upland School District | Chester | 1/10 Poor · 1st pct | 1 |
Zip Codes in Delaware County
School Districts in Delaware County, Pennsylvania
Delaware County has 14 public school districts covering 37 zip codes. The top-rated district in Delaware County is Radnor Township School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts), ranked against all districts in Pennsylvania. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.