| Index | Belleville | Illinois | National |
| Average Test Scores | 28% | 33% | 48% |
| Student/Teacher ratio | 26:1 | 18:1 | 16:1 |
| Total public schools | 25 | 3,938 | 79,221 |
| Total private schools | 15 | 1,438 | 24,874 |
| Total post-secondary schools | 3 | 306 | 7,963 |
| Index | Belleville | Illinois | National |
| Completed 8th grade | 88.7% | 86.2% | 84.3% |
| Completed high school | 88.0% | 84.7% | 83.0% |
| Completed some college | 63.9% | 61.8% | 59.4% |
| Completed associate degree | 35.6% | 40.7% | 38.5% |
| Completed bachelors | 23.1% | 32.9% | 30.3% |
| Completed masters | 7.6% | 12.7% | 11.5% |
| Completed professional degree | 1.3% | 3.4% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of 25 public schools, 15 private schools and 3 post-secondary schools in Belleville. Using the proficiency score averages, the average test scores for Belleville, IL schools is 28%. The average student to teacher ratio is 26:1. In Belleville, IL, an average of 88.7% of students have completed 8th grade and an average of 88.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| St. Jacob, IL | 1,529 | 67% | 39.6% |
| Maryville, IL | 7,962 | 65% | 34.4% |
| Smithton, IL | 4,019 | 61% | 27.1% |
| Waterloo, IL | 10,417 | 59% | 22.4% |
| Columbia, IL | 10,692 | 56% | 16.7% |
| Belleville, IL | 41,256 | 28% | 42.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Bremerton, WA | 41,258 | 51% | 6.9% |
| Greenacres, FL | 41,242 | 48% | 0.9% |
| Moline, IL | 41,213 | 23% | 52.3% |
| Westfield, MA | 41,303 | 48% | 0.7% |
| Kearny, NJ | 41,190 | 41% | 13.7% |
| Belleville, IL | 41,256 | 28% | 42.3% |
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