| 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 | 496 | 50% | 4.2% |
| Ohio, IL | 520 | 48% | 1.0% |
| Steward, IL | 364 | 40% | 16.7% |
| Mendota, IL | 7,151 | 33% | 31.9% |
| Amboy, IL | 2,539 | 30% | 37.2% |
| Sublette, IL | 399 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hermon, NY | 399 | 38% | 20.3% |
| Hartsburg, IL | 399 | 32% | 33.3% |
| Maupin, OR | 399 | 42% | 12.0% |
| Beallsville, OH | 399 | 43% | 9.9% |
| Alexandria, PA | 399 | 48% | 0.5% |
| Sublette, IL | 399 | n/a |