| Index | Mount Vernon | Missouri | National |
| Average Test Scores | 48% | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Mount Vernon | Missouri | National |
| Completed 8th grade | 80.5% | 86.0% | 84.3% |
| Completed high school | 79.6% | 84.2% | 83.0% |
| Completed some college | 43.2% | 57.7% | 59.4% |
| Completed associate degree | 17.4% | 35.2% | 38.5% |
| Completed bachelors | 11.0% | 27.6% | 30.3% |
| Completed masters | 2.7% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mount Vernon. Using the proficiency score averages, the average test scores for Mount Vernon, MO schools is 48%. The average student to teacher ratio is n/a. In Mount Vernon, MO, an average of 80.5% of students have completed 8th grade and an average of 79.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Marionville, MO | 2,633 | 56% | 17.4% |
| Ash Grove, MO | 1,404 | 48% | 0.5% |
| Pierce City, MO | 1,462 | 45% | 6.9% |
| Monett, MO | 9,035 | 43% | 11.2% |
| Billings, MO | 908 | 41% | 15.1% |
| Mount Vernon, MO | 4,490 | 48% | 0.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Ligonier, IN | 4,489 | 41% | 15.6% |
| Scottsville, KY | 4,489 | 48% | 0.5% |
| Denton, MD | 4,488 | 40% | 17.7% |
| Mount Vernon, IA | 4,487 | 82% | 71.5% |
| Newton Falls, OH | 4,494 | 66% | 37.5% |
| Mount Vernon, MO | 4,490 | 48% | 0.3% |
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