| Index | Derry | Pennsylvania | National |
| Average Test Scores | 64% | 55% | 48% |
| Student/Teacher ratio | 16:1 | 16:1 | 16:1 |
| Total public schools | 3 | 2,563 | 79,221 |
| Total private schools | 1 | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Derry | Pennsylvania | National |
| Completed 8th grade | 89.0% | 86.9% | 84.3% |
| Completed high school | 88.6% | 85.6% | 83.0% |
| Completed some college | 55.4% | 53.6% | 59.4% |
| Completed associate degree | 30.6% | 37.4% | 38.5% |
| Completed bachelors | 20.3% | 29.3% | 30.3% |
| Completed masters | 7.9% | 11.5% | 11.5% |
| Completed professional degree | 1.3% | 3.3% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Derry. Using the proficiency score averages, the average test scores for Derry, PA schools is 64%. The average student to teacher ratio is 16:1. In Derry, PA, an average of 89.0% of students have completed 8th grade and an average of 88.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Boswell, PA | 1,415 | 68% | 42.2% |
| Greensburg, PA | 14,239 | 68% | 42.0% |
| Saltsburg, PA | 689 | 67% | 39.6% |
| Ligonier, PA | 1,381 | 65% | 34.7% |
| New Alexandria, PA | 466 | 65% | 34.4% |
| Derry, PA | 2,317 | 64% | 33.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Phillipsburg, KS | 2,317 | 37% | 22.6% |
| Victor, ID | 2,317 | 60% | 25.0% |
| Petersburg, IN | 2,315 | 38% | 20.1% |
| Custer, SD | 2,314 | 50% | 3.1% |
| Brownsville, PA | 2,313 | 34% | 29.5% |
| Derry, PA | 2,317 | 64% | 33.3% |
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