| Index | New London | Ohio | National |
| Average Test Scores | 65% | 61% | 48% |
| Student/Teacher ratio | 17:1 | 17:1 | 16:1 |
| Total public schools | 3 | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |

| Index | New London | Ohio | National |
| Completed 8th grade | 80.7% | 86.9% | 84.3% |
| Completed high school | 78.2% | 85.6% | 83.0% |
| Completed some college | 38.3% | 55.7% | 59.4% |
| Completed associate degree | 16.7% | 35.1% | 38.5% |
| Completed bachelors | 10.1% | 26.7% | 30.3% |
| Completed masters | 2.6% | 10.0% | 11.5% |
| Completed professional degree | 0.9% | 2.7% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of 3 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, OH schools is 65%. The average student to teacher ratio is 17:1. In New London, OH, an average of 80.7% of students have completed 8th grade and an average of 78.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| LaGrange, OH | 2,441 | 73% | 52.4% |
| Milan, OH | 1,596 | 72% | 50.0% |
| Shelby, OH | 8,574 | 70% | 45.6% |
| Oberlin, OH | 8,549 | 68% | 42.3% |
| Norwalk, OH | 17,464 | 67% | 39.6% |
| New London, OH | 2,533 | 65% | 34.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Sour Lake, TX | 2,533 | 62% | 29.7% |
| Middletown, IN | 2,534 | 55% | 13.9% |
| New Stanton, PA | 2,532 | 66% | 37.5% |
| Hayden, CO | 2,534 | 32% | 33.0% |
| Hazen, ND | 2,531 | 53% | 10.4% |
| New London, OH | 2,533 | 65% | 34.4% |