| Index | Fairfax | Minnesota | National |
| Average Test Scores | 57% | 52% | 48% |
| Student/Teacher ratio | 13:1 | 16:1 | 16:1 |
| Total public schools | 1 | 2,224 | 79,221 |
| Total private schools | 1 | 477 | 24,874 |
| Total post-secondary schools | n/a | 140 | 7,963 |
| Index | Fairfax | Minnesota | National |
| Completed 8th grade | 83.7% | 90.5% | 84.3% |
| Completed high school | 74.9% | 89.5% | 83.0% |
| Completed some college | 39.6% | 66.9% | 59.4% |
| Completed associate degree | 16.0% | 45.2% | 38.5% |
| Completed bachelors | 9.3% | 34.2% | 30.3% |
| Completed masters | 3.2% | 11.5% | 11.5% |
| Completed professional degree | 1.9% | 3.5% | 3.3% |
| Completed doctorate | 1.1% | 1.4% | 1.3% |
There are a total of 1 public schools, 1 private schools and n/a post-secondary schools in Fairfax. Using the proficiency score averages, the average test scores for Fairfax, MN schools is 57%. The average student to teacher ratio is 13:1. In Fairfax, MN, an average of 83.7% of students have completed 8th grade and an average of 74.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Buffalo Lake, MN | 653 | 77% | 60.4% |
| Franklin, MN | 578 | 72% | 50.0% |
| Gibbon, MN | 806 | 55% | 14.1% |
| Hector, MN | 1,093 | 50% | 3.1% |
| Morgan, MN | 844 | 50% | 3.1% |
| Fairfax, MN | 1,135 | 57% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Sterling City, TX | 1,135 | 47% | 2.1% |
| Advance, NC | 1,135 | 59% | 23.4% |
| Nahunta, GA | 1,135 | 52% | 9.1% |
| Blue Mound, IL | 1,135 | 30% | 38.5% |
| Richfield Springs, NY | 1,136 | 47% | 2.1% |
| Fairfax, MN | 1,135 | 57% | 18.8% |
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