| Index | Mount Vernon | Illinois | National |
| Average Test Scores | 28% | 33% | 48% |
| Student/Teacher ratio | 13:1 | 18:1 | 16:1 |
| Total public schools | 14 | 3,938 | 79,221 |
| Total private schools | 3 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Mount Vernon | Illinois | National |
| Completed 8th grade | 83.2% | 86.2% | 84.3% |
| Completed high school | 80.5% | 84.7% | 83.0% |
| Completed some college | 55.0% | 61.8% | 59.4% |
| Completed associate degree | 28.3% | 40.7% | 38.5% |
| Completed bachelors | 18.1% | 32.9% | 30.3% |
| Completed masters | 8.1% | 12.7% | 11.5% |
| Completed professional degree | 3.0% | 3.4% | 3.3% |
| Completed doctorate | 1.0% | 1.2% | 1.3% |
There are a total of 14 public schools, 3 private schools and n/a post-secondary schools in Mount Vernon. Using the proficiency score averages, the average test scores for Mount Vernon, IL schools is 28%. The average student to teacher ratio is 13:1. In Mount Vernon, IL, an average of 83.2% of students have completed 8th grade and an average of 80.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dahlgren, IL | 699 | 52% | 8.3% |
| Opdyke, IL | 303 | 42% | 12.5% |
| Woodlawn, IL | 555 | 36% | 26.0% |
| Irvington, IL | 588 | 35% | 27.1% |
| Bluford, IL | 662 | 34% | 29.2% |
| Mount Vernon, IL | 14,769 | 28% | 40.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Gloversville, NY | 14,771 | 45% | 6.3% |
| Hobe Sound, FL | 14,764 | 59% | 21.9% |
| Sterling, IL | 14,774 | 28% | 41.7% |
| Whitewater, WI | 14,762 | 41% | 14.9% |
| Grovetown, GA | 14,777 | 48% | 0.3% |
| Mount Vernon, IL | 14,769 | 28% | 40.9% |
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