| Index | Derry | New Hampshire | National |
| Average Test Scores | 52% | 52% | 48% |
| Student/Teacher ratio | 14:1 | 13:1 | 16:1 |
| Total public schools | 8 | 234 | 79,221 |
| Total private schools | 7 | 144 | 24,874 |
| Total post-secondary schools | n/a | 40 | 7,963 |
| Index | Derry | New Hampshire | National |
| Completed 8th grade | 88.6% | 89.5% | 84.3% |
| Completed high school | 88.2% | 88.4% | 83.0% |
| Completed some college | 59.3% | 64.2% | 59.4% |
| Completed associate degree | 36.9% | 45.3% | 38.5% |
| Completed bachelors | 25.5% | 35.5% | 30.3% |
| Completed masters | 7.8% | 13.4% | 11.5% |
| Completed professional degree | 1.2% | 3.3% | 3.3% |
| Completed doctorate | 0.6% | 1.4% | 1.3% |
There are a total of 8 public schools, 7 private schools and n/a post-secondary schools in Derry. Using the proficiency score averages, the average test scores for Derry, NH schools is 52%. The average student to teacher ratio is 14:1. In Derry, NH, an average of 88.6% of students have completed 8th grade and an average of 88.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Amherst, NH | 656 | 67% | 38.9% |
| Goffstown, NH | 2,848 | 62% | 29.2% |
| Pepperell, MA | 2,685 | 61% | 26.6% |
| Londonderry, NH | 12,053 | 58% | 21.0% |
| East Merrimack, NH | 4,786 | 57% | 17.7% |
| Derry, NH | 22,891 | 52% | 8.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Marshall, TX | 22,881 | 39% | 18.0% |
| Dickinson, ND | 22,880 | 48% | 0.4% |
| Willoughby, OH | 22,904 | 69% | 43.8% |
| Webster Groves, MO | 22,906 | 64% | 32.8% |
| Lutz, FL | 22,871 | 75% | 56.7% |
| Derry, NH | 22,891 | 52% | 8.3% |
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