| Index | New London | New Hampshire | National |
| Average Test Scores | 67% | 52% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 234 | 79,221 |
| Total private schools | n/a | 144 | 24,874 |
| Total post-secondary schools | n/a | 40 | 7,963 |
| Index | New London | New Hampshire | National |
| Completed 8th grade | 95.0% | 89.5% | 84.3% |
| Completed high school | 91.6% | 88.4% | 83.0% |
| Completed some college | 69.7% | 64.2% | 59.4% |
| Completed associate degree | 56.5% | 45.3% | 38.5% |
| Completed bachelors | 44.6% | 35.5% | 30.3% |
| Completed masters | 25.1% | 13.4% | 11.5% |
| Completed professional degree | 2.8% | 3.3% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in New London. Using the proficiency score averages, the average test scores for New London, NH schools is 67%. The average student to teacher ratio is n/a. In New London, NH, an average of 95.0% of students have completed 8th grade and an average of 91.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Contoocook, NH | 1,353 | 68% | 42.0% |
| Lebanon, NH | 13,718 | 66% | 36.5% |
| Bradford, NH | 306 | 62% | 29.2% |
| Warner, NH | 638 | 52% | 8.3% |
| Bristol, NH | 1,970 | 51% | 5.7% |
| New London, NH | 1,364 | 67% | 39.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Antrim, NH | 1,364 | 37% | 23.4% |
| Parshall, ND | 1,364 | 17% | 64.1% |
| Wisner, NE | 1,364 | 58% | 21.4% |
| Peach Springs, AZ | 1,363 | 9% | 81.8% |
| Irwindale, CA | 1,365 | 20% | 58.3% |
| New London, NH | 1,364 | 67% | 39.6% |
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