| Index | Du Quoin | Illinois | National |
| Average Test Scores | 32% | 33% | 48% |
| Student/Teacher ratio | 24:1 | 18:1 | 16:1 |
| Total public schools | 3 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | 1 | 306 | 7,963 |
| Index | Du Quoin | Illinois | National |
| Completed 8th grade | 80.1% | 86.2% | 84.3% |
| Completed high school | 76.0% | 84.7% | 83.0% |
| Completed some college | 47.2% | 61.8% | 59.4% |
| Completed associate degree | 24.9% | 40.7% | 38.5% |
| Completed bachelors | 14.1% | 32.9% | 30.3% |
| Completed masters | 4.9% | 12.7% | 11.5% |
| Completed professional degree | 0.6% | 3.4% | 3.3% |
| Completed doctorate | 0.2% | 1.2% | 1.3% |
There are a total of 3 public schools, 2 private schools and 1 post-secondary schools in Du Quoin. Using the proficiency score averages, the average test scores for Du Quoin, IL schools is 32%. The average student to teacher ratio is 24:1. In Du Quoin, IL, an average of 80.1% of students have completed 8th grade and an average of 76.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Tamaroa, IL | 740 | 40% | 17.7% |
| Vergennes, IL | 238 | 37% | 22.9% |
| Herrin, IL | 12,806 | 36% | 24.7% |
| Pinckneyville, IL | 5,391 | 36% | 25.3% |
| Waltonville, IL | 413 | 32% | 32.8% |
| Du Quoin, IL | 5,723 | 32% | 33.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Harvest, AL | 5,722 | 58% | 21.4% |
| West Bountiful, UT | 5,724 | 54% | 12.5% |
| Belding, MI | 5,729 | 32% | 33.9% |
| Edna, TX | 5,729 | 45% | 5.7% |
| Estherville, IA | 5,729 | 57% | 18.1% |
| Du Quoin, IL | 5,723 | 32% | 33.3% |
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