| Index | Pinckneyville | Illinois | National |
| Average Test Scores | 36% | 33% | 48% |
| Student/Teacher ratio | 13:1 | 18:1 | 16:1 |
| Total public schools | 5 | 3,938 | 79,221 |
| Total private schools | 1 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Pinckneyville | Illinois | National |
| Completed 8th grade | 62.2% | 86.2% | 84.3% |
| Completed high school | 60.6% | 84.7% | 83.0% |
| Completed some college | 39.2% | 61.8% | 59.4% |
| Completed associate degree | 20.7% | 40.7% | 38.5% |
| Completed bachelors | 13.1% | 32.9% | 30.3% |
| Completed masters | 3.6% | 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 5 public schools, 1 private schools and n/a post-secondary schools in Pinckneyville. Using the proficiency score averages, the average test scores for Pinckneyville, IL schools is 36%. The average student to teacher ratio is 13:1. In Pinckneyville, IL, an average of 62.2% of students have completed 8th grade and an average of 60.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oakdale, IL | 291 | 45% | 6.3% |
| Tamaroa, IL | 740 | 40% | 17.7% |
| Vergennes, IL | 238 | 37% | 22.9% |
| Coulterville, IL | 881 | 33% | 32.3% |
| Du Quoin, IL | 5,723 | 32% | 33.3% |
| Pinckneyville, IL | 5,391 | 36% | 25.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Chester, SC | 5,392 | 29% | 38.9% |
| Fruitland, ID | 5,390 | 49% | 1.8% |
| Sinton, TX | 5,389 | 46% | 4.2% |
| Frankenmuth, MI | 5,396 | 69% | 42.7% |
| Sayre, PA | 5,403 | 48% | = 100 |
| Pinckneyville, IL | 5,391 | 36% | 25.3% |
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