| Index | Windom | Minnesota | National |
| Average Test Scores | 45% | 52% | 48% |
| Student/Teacher ratio | 10:1 | 16:1 | 16:1 |
| Total public schools | 9 | 2,224 | 79,221 |
| Total private schools | n/a | 477 | 24,874 |
| Total post-secondary schools | n/a | 140 | 7,963 |
| Index | Windom | Minnesota | National |
| Completed 8th grade | 86.3% | 90.5% | 84.3% |
| Completed high school | 84.3% | 89.5% | 83.0% |
| Completed some college | 55.4% | 66.9% | 59.4% |
| Completed associate degree | 30.8% | 45.2% | 38.5% |
| Completed bachelors | 21.6% | 34.2% | 30.3% |
| Completed masters | 6.0% | 11.5% | 11.5% |
| Completed professional degree | 1.7% | 3.5% | 3.3% |
| Completed doctorate | 0.8% | 1.4% | 1.3% |
There are a total of 9 public schools, n/a private schools and n/a post-secondary schools in Windom. Using the proficiency score averages, the average test scores for Windom, MN schools is 45%. The average student to teacher ratio is 10:1. In Windom, MN, an average of 86.3% of students have completed 8th grade and an average of 84.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mountain Lake, MN | 2,022 | 58% | 21.4% |
| Lakefield, MN | 1,683 | 54% | 11.5% |
| Heron Lake, MN | 701 | 50% | 3.1% |
| Okabena, MN | 208 | 35% | 27.1% |
| Windom, MN | 4,423 | 45% | 6.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Perryville, MD | 4,424 | 42% | 11.8% |
| Hearne, TX | 4,421 | 26% | 45.8% |
| Valdese, NC | 4,420 | 53% | 9.4% |
| Jenkintown, PA | 4,418 | 67% | 39.6% |
| Winnfield, LA | 4,418 | 66% | 36.5% |
| Windom, MN | 4,423 | 45% | 6.9% |
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