| Index | Sesser | Illinois | National |
| Average Test Scores | 26% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 18:1 | 16:1 |
| Total public schools | 3 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |

| Index | Sesser | Illinois | National |
| Completed 8th grade | 86.8% | 86.2% | 84.3% |
| Completed high school | 85.1% | 84.7% | 83.0% |
| Completed some college | 57.4% | 61.8% | 59.4% |
| Completed associate degree | 22.5% | 40.7% | 38.5% |
| Completed bachelors | 14.6% | 32.9% | 30.3% |
| Completed masters | 2.9% | 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 3 public schools, n/a private schools and n/a post-secondary schools in Sesser. Using the proficiency score averages, the average test scores for Sesser, IL schools is 26%. The average student to teacher ratio is 16:1. In Sesser, IL, an average of 86.8% of students have completed 8th grade and an average of 85.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ewing, IL | 326 | 47% | 2.1% |
| Opdyke, IL | 313 | 42% | 12.5% |
| Tamaroa, IL | 767 | 40% | 17.7% |
| Waltonville, IL | 429 | 32% | 32.8% |
| Du Quoin, IL | 5,883 | 32% | 33.3% |
| Sesser, IL | 1,742 | 26% | 46.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Erin, TN | 1,742 | 29% | 39.9% |
| Katonah, NY | 1,742 | 75% | 55.2% |
| Phillips, WI | 1,743 | 40% | 17.4% |
| Pine, AZ | 1,743 | 52% | 8.3% |
| Princeville, IL | 1,741 | 47% | 3.1% |
| Sesser, IL | 1,742 | 26% | 46.9% |