| Index | Mill Shoals | 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 | Mill Shoals | Illinois | National |
| Completed 8th grade | 78.7% | 86.2% | 84.3% |
| Completed high school | 74.3% | 84.7% | 83.0% |
| Completed some college | 47.1% | 61.8% | 59.4% |
| Completed associate degree | 22.8% | 40.7% | 38.5% |
| Completed bachelors | 12.5% | 32.9% | 30.3% |
| Completed masters | 4.4% | 12.7% | 11.5% |
| Completed professional degree | 1.5% | 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 Mill Shoals. Using the proficiency score averages, the average test scores for Mill Shoals, IL schools is n/a. The average student to teacher ratio is n/a. In Mill Shoals, IL, an average of 78.7% of students have completed 8th grade and an average of 74.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fairfield, IL | 4,912 | 40% | 17.3% |
| McLeansboro, IL | 2,539 | 39% | 19.3% |
| Jeffersonville, IL | 333 | 35% | 28.1% |
| Carmi, IL | 4,865 | 33% | 30.4% |
| Wayne City, IL | 934 | 31% | 35.4% |
| Mill Shoals, IL | 171 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Banks, AL | 171 | 51% | 5.2% |
| Lima, MT | 171 | 50% | 4.2% |
| Reeves, LA | 171 | 77% | 60.4% |
| Concord, AR | 171 | 46% | 4.7% |
| East Nicolaus, CA | 172 | 42% | 13.0% |
| Mill Shoals, IL | 171 | n/a |
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