| Index | Gilson | Illinois | National |
| Average Test Scores | n/a | 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 | Gilson | Illinois | National |
| Completed 8th grade | 70.4% | 86.2% | 84.3% |
| Completed high school | 65.5% | 84.7% | 83.0% |
| Completed some college | 29.6% | 61.8% | 59.4% |
| Completed associate degree | 23.9% | 40.7% | 38.5% |
| Completed bachelors | 9.2% | 32.9% | 30.3% |
| Completed masters | 0.0% | 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 Gilson. Using the proficiency score averages, the average test scores for Gilson, IL schools is n/a. The average student to teacher ratio is n/a. In Gilson, IL, an average of 70.4% of students have completed 8th grade and an average of 65.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Elmwood, IL | 2,492 | 51% | 5.9% |
| Williamsfield, IL | 509 | 44% | 8.3% |
| London Mills, IL | 326 | 38% | 20.5% |
| Oneida, IL | 778 | 36% | 25.5% |
| Farmington, IL | 1,939 | 32% | 33.3% |
| Gilson, IL | 194 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Marble City, OK | 194 | 20% | 58.3% |
| Canadian, OK | 194 | 26% | 45.8% |
| Laurel, IA | 194 | 80% | 66.7% |
| New Paris, PA | 194 | 68% | 40.6% |
| Russian Mission, AK | 193 | 5% | 89.6% |
| Gilson, IL | 194 | n/a |
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