| Index | Limestone | 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 | Limestone | Illinois | National |
| Completed 8th grade | 90.5% | 86.2% | 84.3% |
| Completed high school | 89.9% | 84.7% | 83.0% |
| Completed some college | 55.1% | 61.8% | 59.4% |
| Completed associate degree | 29.6% | 40.7% | 38.5% |
| Completed bachelors | 18.0% | 32.9% | 30.3% |
| Completed masters | 6.1% | 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 Limestone. Using the proficiency score averages, the average test scores for Limestone, IL schools is n/a. The average student to teacher ratio is n/a. In Limestone, IL, an average of 90.5% of students have completed 8th grade and an average of 89.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kempton, IL | 317 | 50% | 4.2% |
| Chebanse, IL | 1,208 | 45% | 7.3% |
| Wilmington, IL | 5,883 | 42% | 12.2% |
| Braidwood, IL | 6,338 | 40% | 17.4% |
| Manteno, IL | 8,545 | 34% | 29.9% |
| Limestone, IL | 1,536 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Eagle River, WI | 1,536 | 37% | 22.9% |
| Decatur, AR | 1,536 | 30% | 36.8% |
| Bokeelia, FL | 1,536 | 72% | 50.0% |
| Farwell, TX | 1,535 | 49% | 1.7% |
| Alton, IA | 1,534 | 81% | 68.8% |
| Limestone, IL | 1,536 | n/a |
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