| Index | Darby | Pennsylvania | National |
| Average Test Scores | 19% | 55% | 48% |
| Student/Teacher ratio | 15:1 | 16:1 | 16:1 |
| Total public schools | 3 | 2,563 | 79,221 |
| Total private schools | 2 | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Darby | Pennsylvania | National |
| Completed 8th grade | 82.4% | 86.9% | 84.3% |
| Completed high school | 80.9% | 85.6% | 83.0% |
| Completed some college | 40.4% | 53.6% | 59.4% |
| Completed associate degree | 20.7% | 37.4% | 38.5% |
| Completed bachelors | 11.4% | 29.3% | 30.3% |
| Completed masters | 3.8% | 11.5% | 11.5% |
| Completed professional degree | 0.7% | 3.3% | 3.3% |
| Completed doctorate | 0.3% | 1.4% | 1.3% |
There are a total of 3 public schools, 2 private schools and n/a post-secondary schools in Darby. Using the proficiency score averages, the average test scores for Darby, PA schools is 19%. The average student to teacher ratio is 15:1. In Darby, PA, an average of 82.4% of students have completed 8th grade and an average of 80.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Penn Wynne, PA | 5,769 | 87% | 81.3% |
| Berwyn, PA | 3,621 | 86% | 79.9% |
| Bryn Mawr, PA | 5,611 | 86% | 78.1% |
| Ardmore, PA | 13,567 | 85% | 77.1% |
| Devon, PA | 1,830 | 84% | 75.5% |
| Darby, PA | 10,711 | 19% | 61.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Pleasanton, TX | 10,703 | 39% | 19.4% |
| Soquel, CA | 10,721 | 56% | 17.2% |
| Woodbury, NY | 10,700 | 72% | 49.7% |
| Columbia, IL | 10,692 | 56% | 16.7% |
| Fox Lake, IL | 10,739 | 30% | 37.5% |
| Darby, PA | 10,711 | 19% | 61.5% |
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