| Index | Shelbyville | Illinois | National |
| Average Test Scores | 44% | 33% | 48% |
| Student/Teacher ratio | 19:1 | 18:1 | 16:1 |
| Total public schools | 6 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | 1 | 306 | 7,963 |
| Index | Shelbyville | Illinois | National |
| Completed 8th grade | 89.5% | 86.2% | 84.3% |
| Completed high school | 87.5% | 84.7% | 83.0% |
| Completed some college | 45.7% | 61.8% | 59.4% |
| Completed associate degree | 23.8% | 40.7% | 38.5% |
| Completed bachelors | 15.6% | 32.9% | 30.3% |
| Completed masters | 6.3% | 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 6 public schools, n/a private schools and 1 post-secondary schools in Shelbyville. Using the proficiency score averages, the average test scores for Shelbyville, IL schools is 44%. The average student to teacher ratio is 19:1. In Shelbyville, IL, an average of 89.5% of students have completed 8th grade and an average of 87.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Strasburg, IL | 528 | 37% | 22.4% |
| Herrick, IL | 367 | 32% | 33.3% |
| Sullivan, IL | 4,450 | 29% | 39.2% |
| Moweaqua, IL | 2,215 | 27% | 43.2% |
| Findlay, IL | 703 | 25% | 47.9% |
| Shelbyville, IL | 4,198 | 44% | 8.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Trenton, TN | 4,197 | 34% | 29.4% |
| Red Rock, AZ | 4,196 | 40% | 17.7% |
| Bonsall, CA | 4,194 | 56% | 16.7% |
| Tiptonville, TN | 4,194 | 20% | 58.9% |
| Caseyville, IL | 4,203 | 34% | 30.2% |
| Shelbyville, IL | 4,198 | 44% | 8.3% |
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