| Index | Fairfax | California | National |
| Average Test Scores | 71% | 43% | 48% |
| Student/Teacher ratio | 18:1 | 20:1 | 16:1 |
| Total public schools | 2 | 8,308 | 79,221 |
| Total private schools | 3 | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Fairfax | California | National |
| Completed 8th grade | 96.2% | 81.1% | 84.3% |
| Completed high school | 96.2% | 79.8% | 83.0% |
| Completed some college | 86.3% | 61.5% | 59.4% |
| Completed associate degree | 69.5% | 39.8% | 38.5% |
| Completed bachelors | 60.1% | 32.0% | 30.3% |
| Completed masters | 23.7% | 11.9% | 11.5% |
| Completed professional degree | 9.1% | 3.9% | 3.3% |
| Completed doctorate | 4.1% | 1.6% | 1.3% |
There are a total of 2 public schools, 3 private schools and n/a post-secondary schools in Fairfax. Using the proficiency score averages, the average test scores for Fairfax, CA schools is 71%. The average student to teacher ratio is 18:1. In Fairfax, CA, an average of 96.2% of students have completed 8th grade and an average of 96.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ross, CA | 2,453 | 83% | 71.9% |
| Tiburon, CA | 9,167 | 81% | 69.3% |
| Corte Madera, CA | 9,793 | 80% | 66.1% |
| Mill Valley, CA | 14,456 | 79% | 65.3% |
| San Anselmo, CA | 12,623 | 76% | 59.1% |
| Fairfax, CA | 7,629 | 71% | 48.3% |
| City | Population | Avg. Test Scores | National Avg. |
| South Weber, UT | 7,631 | 49% | 2.1% |
| Bernardsville, NJ | 7,641 | 63% | 30.6% |
| Rhinelander, WI | 7,617 | 35% | 26.9% |
| Milan, TN | 7,642 | 41% | 14.9% |
| Decorah, IA | 7,615 | 81% | 68.5% |
| Fairfax, CA | 7,629 | 71% | 48.3% |
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