| Index | Windham | New York | National |
| Average Test Scores | 50% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |

| Index | Windham | New York | National |
| Completed 8th grade | 87.1% | 83.5% | 84.3% |
| Completed high school | 87.1% | 82.1% | 83.0% |
| Completed some college | 46.9% | 59.5% | 59.4% |
| Completed associate degree | 24.1% | 43.4% | 38.5% |
| Completed bachelors | 17.1% | 34.7% | 30.3% |
| Completed masters | 9.4% | 15.1% | 11.5% |
| Completed professional degree | 0.0% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Windham. Using the proficiency score averages, the average test scores for Windham, NY schools is 50%. The average student to teacher ratio is n/a. In Windham, NY, an average of 87.1% of students have completed 8th grade and an average of 87.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Tannersville, NY | 577 | 65% | 35.4% |
| Cairo, NY | 1,400 | 53% | 9.4% |
| Hunter, NY | 310 | 47% | 2.1% |
| Windham, NY | 337 | 50% | 3.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Kelford, NC | 337 | 20% | 59.4% |
| Stewart, OH | 337 | 57% | 17.7% |
| Keytesville, MO | 337 | 30% | 37.5% |
| Strong, AR | 337 | 17% | 64.6% |
| New Hampton, NH | 338 | 75% | 56.3% |
| Windham, NY | 337 | 50% | 3.1% |