| Index | Muddy | 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 | Muddy | Illinois | National |
| Completed 8th grade | 85.7% | 86.2% | 84.3% |
| Completed high school | 85.7% | 84.7% | 83.0% |
| Completed some college | 75.0% | 61.8% | 59.4% |
| Completed associate degree | 17.9% | 40.7% | 38.5% |
| Completed bachelors | 3.6% | 32.9% | 30.3% |
| Completed masters | 0.0% | 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 Muddy. Using the proficiency score averages, the average test scores for Muddy, IL schools is n/a. The average student to teacher ratio is n/a. In Muddy, IL, an average of 85.7% of students have completed 8th grade and an average of 85.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Galatia, IL | 1,095 | 26% | 45.8% |
| Junction, IL | 82 | 26% | 46.2% |
| Eldorado, IL | 4,000 | 24% | 49.7% |
| Norris City, IL | 1,325 | 21% | 56.3% |
| Harrisburg, IL | 8,578 | 21% | 57.3% |
| Muddy, IL | 38 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Stony River, AK | 39 | 50% | 4.2% |
| Unity, OR | 39 | 50% | 4.2% |
| Rosebud, MT | 36 | 50% | 4.2% |
| Addy, WA | 40 | 45% | 6.3% |
| Lewiston, NE | 40 | 48% | 1.0% |
| Muddy, IL | 38 | n/a |
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