| Index | Colfax | California | National |
| Average Test Scores | 43% | 43% | 48% |
| Student/Teacher ratio | 16:1 | 20:1 | 16:1 |
| Total public schools | 3 | 8,308 | 79,221 |
| Total private schools | 1 | 3,438 | 24,874 |
| Total post-secondary schools | 1 | 1,085 | 7,963 |
| Index | Colfax | California | National |
| Completed 8th grade | 93.5% | 81.1% | 84.3% |
| Completed high school | 91.3% | 79.8% | 83.0% |
| Completed some college | 64.0% | 61.5% | 59.4% |
| Completed associate degree | 28.8% | 39.8% | 38.5% |
| Completed bachelors | 13.8% | 32.0% | 30.3% |
| Completed masters | 2.6% | 11.9% | 11.5% |
| Completed professional degree | 0.4% | 3.9% | 3.3% |
| Completed doctorate | 0.4% | 1.6% | 1.3% |
There are a total of 3 public schools, 1 private schools and 1 post-secondary schools in Colfax. Using the proficiency score averages, the average test scores for Colfax, CA schools is 43%. The average student to teacher ratio is 16:1. In Colfax, CA, an average of 93.5% of students have completed 8th grade and an average of 91.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Meadow Vista, CA | 3,508 | 62% | 29.2% |
| Alta, CA | 703 | 50% | 4.2% |
| Grass Valley, CA | 12,817 | 47% | 2.7% |
| Penn Valley, CA | 1,073 | 44% | 8.7% |
| Foresthill, CA | 1,545 | 42% | 12.0% |
| Colfax, CA | 2,258 | 43% | 11.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Lake Village, AR | 2,258 | 25% | 47.6% |
| Eldorado, TX | 2,258 | 45% | 6.3% |
| Brewster, NY | 2,257 | 59% | 22.6% |
| Yorktown, TX | 2,257 | 33% | 30.6% |
| Westbrook Center, CT | 2,257 | 77% | 60.4% |
| Colfax, CA | 2,258 | 43% | 11.1% |
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