| Index | Mount Vernon | Iowa | National |
| Average Test Scores | 82% | 69% | 48% |
| Student/Teacher ratio | 15:1 | 13:1 | 16:1 |
| Total public schools | 3 | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | 1 | 96 | 7,963 |
| Index | Mount Vernon | Iowa | National |
| Completed 8th grade | 98.5% | 89.2% | 84.3% |
| Completed high school | 98.2% | 87.7% | 83.0% |
| Completed some college | 90.2% | 59.8% | 59.4% |
| Completed associate degree | 74.0% | 38.4% | 38.5% |
| Completed bachelors | 65.8% | 27.2% | 30.3% |
| Completed masters | 25.8% | 8.7% | 11.5% |
| Completed professional degree | 9.1% | 2.7% | 3.3% |
| Completed doctorate | 6.9% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and 1 post-secondary schools in Mount Vernon. Using the proficiency score averages, the average test scores for Mount Vernon, IA schools is 82%. The average student to teacher ratio is 15:1. In Mount Vernon, IA, an average of 98.5% of students have completed 8th grade and an average of 98.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Solon, IA | 2,690 | 86% | 78.4% |
| Robins, IA | 3,510 | 81% | 67.7% |
| Tiffin, IA | 3,779 | 77% | 61.1% |
| Marion, IA | 39,910 | 77% | 59.8% |
| Lisbon, IA | 2,138 | 76% | 57.3% |
| Mount Vernon, IA | 4,487 | 82% | 71.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Denton, MD | 4,488 | 40% | 17.7% |
| La Vale, MD | 4,486 | 62% | 29.2% |
| Scottsville, KY | 4,489 | 48% | 0.5% |
| Ligonier, IN | 4,489 | 41% | 15.6% |
| Thornwood, NY | 4,484 | 76% | 57.3% |
| Mount Vernon, IA | 4,487 | 82% | 71.5% |
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