| 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 | 672 | 77% | 60.4% |
| Franklin, MN | 599 | 72% | 50.0% |
| Gibbon, MN | 827 | 55% | 14.1% |
| Hector, MN | 1,134 | 50% | 3.1% |
| Morgan, MN | 862 | 50% | 3.1% |
| Fairfax, MN | 1,162 | 57% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Wilson, AR | 1,162 | 36% | 24.5% |
| Roscommon, MI | 1,162 | 47% | 1.8% |
| Notasulga, AL | 1,162 | 34% | 28.8% |
| Celeste, TX | 1,161 | 52% | 8.5% |
| Solomon, KS | 1,161 | 34% | 30.2% |
| Fairfax, MN | 1,162 | 57% | 18.8% |