| Index | South Windham | Connecticut | National |
| Average Test Scores | n/a | 53% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 654 | 79,221 |
| Total private schools | n/a | 207 | 24,874 |
| Total post-secondary schools | n/a | 81 | 7,963 |
| Index | South Windham | Connecticut | National |
| Completed 8th grade | 77.3% | 88.0% | 84.3% |
| Completed high school | 77.3% | 86.9% | 83.0% |
| Completed some college | 45.7% | 62.9% | 59.4% |
| Completed associate degree | 20.6% | 45.5% | 38.5% |
| Completed bachelors | 16.1% | 38.0% | 30.3% |
| Completed masters | 4.5% | 16.8% | 11.5% |
| Completed professional degree | 0.0% | 4.6% | 3.3% |
| Completed doctorate | 0.0% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in South Windham. Using the proficiency score averages, the average test scores for South Windham, CT schools is n/a. The average student to teacher ratio is n/a. In South Windham, CT, an average of 77.3% of students have completed 8th grade and an average of 77.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Storrs, CT | 16,392 | 77% | 60.4% |
| South Coventry, CT | 1,413 | 73% | 51.4% |
| Mansfield Center, CT | 1,367 | 71% | 47.4% |
| Colchester, CT | 5,147 | 65% | 35.4% |
| Moodus, CT | 1,802 | 63% | 31.6% |
| South Windham, CT | 1,475 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Vance, AL | 1,475 | 41% | 15.6% |
| Ogden, KS | 1,475 | 45% | 7.3% |
| Ferron, UT | 1,475 | 51% | 5.7% |
| Huntsville, TN | 1,475 | 31% | 34.9% |
| Ontonagon, MI | 1,474 | 37% | 22.9% |
| South Windham, CT | 1,475 | n/a |
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