| 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 | 16,897 | 77% | 60.4% |
| South Coventry, CT | 1,470 | 73% | 51.4% |
| Mansfield Center, CT | 1,395 | 71% | 47.4% |
| Colchester, CT | 5,282 | 65% | 35.4% |
| Moodus, CT | 1,844 | 63% | 31.6% |
| South Windham, CT | 1,522 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Munford, AL | 1,522 | 41% | 14.2% |
| Clyde, NC | 1,522 | 66% | 37.5% |
| Park River, ND | 1,522 | 55% | 14.1% |
| Hereford, PA | 1,522 | 55% | 14.6% |
| Pleasant Valley, NY | 1,523 | 43% | 11.5% |
| South Windham, CT | 1,522 | n/a |