| Index | New London | Iowa | National |
| Average Test Scores | 61% | 69% | 48% |
| Student/Teacher ratio | 12:1 | 13:1 | 16:1 |
| Total public schools | 2 | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | New London | Iowa | National |
| Completed 8th grade | 89.0% | 89.2% | 84.3% |
| Completed high school | 88.1% | 87.7% | 83.0% |
| Completed some college | 56.3% | 59.8% | 59.4% |
| Completed associate degree | 30.5% | 38.4% | 38.5% |
| Completed bachelors | 15.0% | 27.2% | 30.3% |
| Completed masters | 4.6% | 8.7% | 11.5% |
| Completed professional degree | 1.3% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 2 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, IA schools is 61%. The average student to teacher ratio is 12:1. In New London, IA, an average of 89.0% of students have completed 8th grade and an average of 88.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Salem, IA | 492 | 85% | 77.1% |
| Mediapolis, IA | 2,118 | 80% | 65.6% |
| Morning Sun, IA | 726 | 75% | 56.3% |
| West Burlington, IA | 2,909 | 74% | 54.2% |
| Danville, IA | 931 | 74% | 53.1% |
| New London, IA | 2,433 | 61% | 26.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Lennox, SD | 2,432 | 58% | 20.1% |
| Brundidge, AL | 2,432 | 41% | 14.6% |
| Ashford, AL | 2,431 | 41% | 14.1% |
| Kearny, AZ | 2,431 | 25% | 49.0% |
| Bellevue, ID | 2,430 | 50% | 3.1% |
| New London, IA | 2,433 | 61% | 26.6% |
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