| Index | Somersworth | New Hampshire | National |
| Average Test Scores | 39% | 52% | 48% |
| Student/Teacher ratio | 13:1 | 13:1 | 16:1 |
| Total public schools | 4 | 234 | 79,221 |
| Total private schools | 3 | 144 | 24,874 |
| Total post-secondary schools | 1 | 40 | 7,963 |
| Index | Somersworth | New Hampshire | National |
| Completed 8th grade | 87.8% | 89.5% | 84.3% |
| Completed high school | 87.0% | 88.4% | 83.0% |
| Completed some college | 55.8% | 64.2% | 59.4% |
| Completed associate degree | 37.5% | 45.3% | 38.5% |
| Completed bachelors | 28.1% | 35.5% | 30.3% |
| Completed masters | 7.7% | 13.4% | 11.5% |
| Completed professional degree | 2.0% | 3.3% | 3.3% |
| Completed doctorate | 1.1% | 1.4% | 1.3% |
There are a total of 4 public schools, 3 private schools and 1 post-secondary schools in Somersworth. Using the proficiency score averages, the average test scores for Somersworth, NH schools is 39%. The average student to teacher ratio is 13:1. In Somersworth, NH, an average of 87.8% of students have completed 8th grade and an average of 87.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Durham, NH | 12,016 | 76% | 57.8% |
| Portsmouth, NH | 21,418 | 75% | 55.8% |
| York Harbor, ME | 3,484 | 66% | 36.5% |
| Cape Neddick, ME | 2,563 | 65% | 34.4% |
| Kittery Point, ME | 1,034 | 65% | 34.4% |
| Somersworth, NH | 12,027 | 39% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Hasbrouck Heights, NJ | 12,026 | 64% | 32.8% |
| Green River, WY | 12,025 | 59% | 22.6% |
| Minden, LA | 12,035 | 55% | 14.6% |
| Neosho, MO | 12,036 | 45% | 6.0% |
| North Merrick, NY | 12,037 | 71% | 47.4% |
| Somersworth, NH | 12,027 | 39% | 18.8% |
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