| Index | Colfax | Illinois | National |
| Average Test Scores | 27% | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Colfax | Illinois | National |
| Completed 8th grade | 93.6% | 86.2% | 84.3% |
| Completed high school | 92.2% | 84.7% | 83.0% |
| Completed some college | 50.7% | 61.8% | 59.4% |
| Completed associate degree | 25.1% | 40.7% | 38.5% |
| Completed bachelors | 17.1% | 32.9% | 30.3% |
| Completed masters | 2.0% | 12.7% | 11.5% |
| Completed professional degree | 0.0% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Colfax. Using the proficiency score averages, the average test scores for Colfax, IL schools is 27%. The average student to teacher ratio is n/a. In Colfax, IL, an average of 93.6% of students have completed 8th grade and an average of 92.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Downs, IL | 971 | 65% | 34.7% |
| Towanda, IL | 441 | 65% | 34.0% |
| Forrest, IL | 1,083 | 46% | 3.9% |
| Gibson City, IL | 3,423 | 44% | 8.2% |
| Gridley, IL | 1,426 | 42% | 13.8% |
| Colfax, IL | 1,081 | 27% | 43.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Okeene, OK | 1,081 | 37% | 24.1% |
| Upton, WY | 1,081 | 45% | 6.5% |
| Baxter, IA | 1,081 | 77% | 60.0% |
| Killbuck, OH | 1,080 | 82% | 70.4% |
| Robert Lee, TX | 1,080 | 51% | 5.5% |
| Colfax, IL | 1,081 | 27% | 43.5% |
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