| Index | Forrest | Illinois | National |
| Average Test Scores | 46% | 33% | 48% |
| Student/Teacher ratio | 18:1 | 18:1 | 16:1 |
| Total public schools | 3 | 3,938 | 79,221 |
| Total private schools | 1 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Forrest | Illinois | National |
| Completed 8th grade | 80.4% | 86.2% | 84.3% |
| Completed high school | 80.0% | 84.7% | 83.0% |
| Completed some college | 39.9% | 61.8% | 59.4% |
| Completed associate degree | 17.7% | 40.7% | 38.5% |
| Completed bachelors | 10.6% | 32.9% | 30.3% |
| Completed masters | 2.3% | 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 3 public schools, 1 private schools and n/a post-secondary schools in Forrest. Using the proficiency score averages, the average test scores for Forrest, IL schools is 46%. The average student to teacher ratio is 18:1. In Forrest, IL, an average of 80.4% of students have completed 8th grade and an average of 80.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kempton, IL | 317 | 50% | 4.2% |
| Piper City, IL | 855 | 42% | 12.5% |
| Fairbury, IL | 3,604 | 39% | 18.2% |
| Colfax, IL | 1,088 | 27% | 43.4% |
| Saunemin, IL | 398 | 27% | 43.8% |
| Forrest, IL | 995 | 46% | 3.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Hustisford, WI | 994 | 35% | 28.1% |
| Marine, IL | 994 | 55% | 13.5% |
| Mertzon, TX | 996 | 57% | 18.8% |
| Central Lake, MI | 996 | 30% | 38.5% |
| Wheatland, IA | 997 | 80% | 65.6% |
| Forrest, IL | 995 | 46% | 3.6% |
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