| Index | Sublette | 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 | Sublette | Illinois | National |
| Completed 8th grade | 92.0% | 86.2% | 84.3% |
| Completed high school | 91.0% | 84.7% | 83.0% |
| Completed some college | 47.8% | 61.8% | 59.4% |
| Completed associate degree | 23.8% | 40.7% | 38.5% |
| Completed bachelors | 11.7% | 32.9% | 30.3% |
| Completed masters | 3.1% | 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 Sublette. Using the proficiency score averages, the average test scores for Sublette, IL schools is n/a. The average student to teacher ratio is n/a. In Sublette, IL, an average of 92.0% of students have completed 8th grade and an average of 91.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cherry, IL | 479 | 50% | 4.2% |
| Ohio, IL | 509 | 48% | 1.0% |
| Steward, IL | 350 | 40% | 16.7% |
| Mendota, IL | 6,927 | 33% | 31.9% |
| Amboy, IL | 2,453 | 30% | 37.2% |
| Sublette, IL | 383 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Alpena, AR | 383 | 51% | 5.7% |
| Bruni, TX | 383 | 38% | 21.9% |
| Kismet, KS | 383 | 15% | 69.8% |
| Blunt, SD | 383 | 50% | 4.2% |
| Ackerly, TX | 383 | 60% | 24.0% |
| Sublette, IL | 383 | n/a |
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