| Index | Sheridan | Illinois | National |
| Average Test Scores | 40% | 33% | 48% |
| Student/Teacher ratio | 9:1 | 18:1 | 16:1 |
| Total public schools | 2 | 3,938 | 79,221 |
| Total private schools | 1 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
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| Index | Sheridan | Illinois | National |
| Completed 8th grade | 59.5% | 86.2% | 84.3% |
| Completed high school | 57.9% | 84.7% | 83.0% |
| Completed some college | 36.0% | 61.8% | 59.4% |
| Completed associate degree | 7.0% | 40.7% | 38.5% |
| Completed bachelors | 2.1% | 32.9% | 30.3% |
| Completed masters | 0.5% | 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 2 public schools, 1 private schools and n/a post-secondary schools in Sheridan. Using the proficiency score averages, the average test scores for Sheridan, IL schools is 40%. The average student to teacher ratio is 9:1. In Sheridan, IL, an average of 59.5% of students have completed 8th grade and an average of 57.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Millbrook, IL | 367 | 52% | 8.3% |
| Newark, IL | 1,376 | 50% | 3.5% |
| Yorkville, IL | 19,794 | 46% | 4.4% |
| Sandwich, IL | 7,547 | 46% | 5.2% |
| Somonauk, IL | 2,099 | 46% | 5.2% |
| Sheridan, IL | 2,894 | 40% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Carson, WA | 2,895 | 39% | 19.8% |
| Delhi, LA | 2,895 | 43% | 10.2% |
| Hillsboro, KS | 2,896 | 48% | 0.5% |
| Kings Beach, CA | 2,892 | 47% | 2.1% |
| Winner, SD | 2,891 | 41% | 15.6% |
| Sheridan, IL | 2,894 | 40% | 16.7% |
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