| Index | Mahnomen | Minnesota | National |
| Average Test Scores | 33% | 52% | 48% |
| Student/Teacher ratio | 13:1 | 16:1 | 16:1 |
| Total public schools | 3 | 2,224 | 79,221 |
| Total private schools | 1 | 477 | 24,874 |
| Total post-secondary schools | 1 | 140 | 7,963 |
| Index | Mahnomen | Minnesota | National |
| Completed 8th grade | 80.7% | 90.5% | 84.3% |
| Completed high school | 77.1% | 89.5% | 83.0% |
| Completed some college | 49.6% | 66.9% | 59.4% |
| Completed associate degree | 22.1% | 45.2% | 38.5% |
| Completed bachelors | 12.1% | 34.2% | 30.3% |
| Completed masters | 2.2% | 11.5% | 11.5% |
| Completed professional degree | 0.6% | 3.5% | 3.3% |
| Completed doctorate | 0.6% | 1.4% | 1.3% |
There are a total of 3 public schools, 1 private schools and 1 post-secondary schools in Mahnomen. Using the proficiency score averages, the average test scores for Mahnomen, MN schools is 33%. The average student to teacher ratio is 13:1. In Mahnomen, MN, an average of 80.7% of students have completed 8th grade and an average of 77.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fertile, MN | 931 | 66% | 37.0% |
| Gary, MN | 297 | 57% | 18.8% |
| Twin Valley, MN | 747 | 51% | 6.3% |
| Ogema, MN | 211 | 47% | 2.1% |
| Waubun, MN | 464 | 33% | 30.7% |
| Mahnomen, MN | 1,160 | 33% | 30.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Mount Ida, AR | 1,160 | 46% | 4.7% |
| Atglen, PA | 1,160 | 55% | 14.2% |
| Riddle, OR | 1,159 | 31% | 35.9% |
| Arlington, GA | 1,159 | 15% | 69.8% |
| Winchester, OH | 1,159 | 58% | 20.8% |
| Mahnomen, MN | 1,160 | 33% | 30.7% |
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