| Index | Chester | Illinois | National |
| Average Test Scores | 24% | 31% | 49% |
| Student/Teacher ratio | 14:1 | 18:1 | 16:1 |
| Total public schools | 2 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Chester | Illinois | National |
| Completed 8th grade | 60.9% | 86.2% | 84.3% |
| Completed high school | 57.2% | 84.7% | 83.0% |
| Completed some college | 32.0% | 61.8% | 59.4% |
| Completed associate degree | 12.8% | 40.7% | 38.5% |
| Completed bachelors | 7.8% | 32.9% | 30.3% |
| Completed masters | 1.8% | 12.7% | 11.5% |
| Completed professional degree | 0.5% | 3.4% | 3.3% |
| Completed doctorate | 0.4% | 1.2% | 1.3% |
There are a total of 2 public schools, 2 private schools and n/a post-secondary schools in Chester. Using the proficiency score averages, the average test scores for Chester, IL schools is 24%. The average student to teacher ratio is 14:1. In Chester, IL, an average of 60.9% of students have completed 8th grade and an average of 57.2% have completed high school.
| City, State | Population | Avg. Test Scores | National Avg. |
| Ste. Genevieve, MO | 4,447 | 67% | 35% |
| Perryville, MO | 8,374 | 51% | 3% |
| Evansville, IL | 679 | 42% | 15% |
| Steeleville, IL | 2,327 | 31% | 37% |
| Prairie du Rocher, IL | 622 | 22% | 55% |
| Chester, IL | 8,599 | 24% | 51% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Florence, OR | 8,597 | 42% | 14% |
| Four Corners, MD | 8,596 | 66% | 35% |
| Orange Park, FL | 8,603 | 43% | 12% |
| Willowbrook, IL | 8,603 | 40% | 20% |
| Virginia, MN | 8,594 | 45% | 8% |
| Chester, IL | 8,599 | 24% | 51% |
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