| Index | McLeansboro | Illinois | National |
| Average Test Scores | 39% | 33% | 48% |
| Student/Teacher ratio | 20:1 | 18:1 | 16:1 |
| Total public schools | 4 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | McLeansboro | Illinois | National |
| Completed 8th grade | 85.7% | 86.2% | 84.3% |
| Completed high school | 81.8% | 84.7% | 83.0% |
| Completed some college | 53.7% | 61.8% | 59.4% |
| Completed associate degree | 22.5% | 40.7% | 38.5% |
| Completed bachelors | 12.5% | 32.9% | 30.3% |
| Completed masters | 6.2% | 12.7% | 11.5% |
| Completed professional degree | 1.2% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in McLeansboro. Using the proficiency score averages, the average test scores for McLeansboro, IL schools is 39%. The average student to teacher ratio is 20:1. In McLeansboro, IL, an average of 85.7% of students have completed 8th grade and an average of 81.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dahlgren, IL | 699 | 52% | 8.3% |
| Opdyke, IL | 303 | 42% | 12.5% |
| Enfield, IL | 541 | 25% | 49.0% |
| Norris City, IL | 1,325 | 21% | 56.3% |
| Thompsonville, IL | 527 | 19% | 61.5% |
| McLeansboro, IL | 2,539 | 39% | 19.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Colby, WI | 2,539 | 30% | 37.2% |
| Sisseton, SD | 2,539 | 35% | 28.1% |
| Galva, IL | 2,539 | 30% | 38.5% |
| Madelia, MN | 2,539 | 53% | 10.9% |
| Clinton, AR | 2,538 | 56% | 16.7% |
| McLeansboro, IL | 2,539 | 39% | 19.3% |
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