| Index | Fairbury | Illinois | National |
| Average Test Scores | 39% | 33% | 48% |
| Student/Teacher ratio | 14:1 | 18:1 | 16:1 |
| Total public schools | 2 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |


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| Index | Fairbury | Illinois | National |
| Completed 8th grade | 90.3% | 86.2% | 84.3% |
| Completed high school | 87.2% | 84.7% | 83.0% |
| Completed some college | 50.7% | 61.8% | 59.4% |
| Completed associate degree | 26.3% | 40.7% | 38.5% |
| Completed bachelors | 18.6% | 32.9% | 30.3% |
| Completed masters | 10.3% | 12.7% | 11.5% |
| Completed professional degree | 2.4% | 3.4% | 3.3% |
| Completed doctorate | 1.3% | 1.2% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Fairbury. Using the proficiency score averages, the average test scores for Fairbury, IL schools is 39%. The average student to teacher ratio is 14:1. In Fairbury, IL, an average of 90.3% of students have completed 8th grade and an average of 87.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kempton, IL | 328 | 50% | 4.2% |
| Forrest, IL | 1,017 | 46% | 3.6% |
| Lexington, IL | 2,107 | 36% | 24.3% |
| Colfax, IL | 1,124 | 27% | 43.4% |
| Saunemin, IL | 409 | 27% | 43.8% |
| Fairbury, IL | 3,744 | 39% | 18.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Northfield, OH | 3,744 | 84% | 74.7% |
| Marshall, IL | 3,744 | 34% | 29.5% |
| Wrightsville, GA | 3,744 | 38% | 21.2% |
| Palmyra, MO | 3,744 | 47% | 1.7% |
| French Camp, CA | 3,745 | 25% | 47.9% |
| Fairbury, IL | 3,744 | 39% | 18.2% |