| Index | Marionville | Missouri | National |
| Average Test Scores | 56% | 44% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 2 | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Marionville | Missouri | National |
| Completed 8th grade | 81.7% | 86.0% | 84.3% |
| Completed high school | 79.1% | 84.2% | 83.0% |
| Completed some college | 45.0% | 57.7% | 59.4% |
| Completed associate degree | 17.2% | 35.2% | 38.5% |
| Completed bachelors | 8.7% | 27.6% | 30.3% |
| Completed masters | 3.7% | 10.4% | 11.5% |
| Completed professional degree | 0.9% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Marionville. Using the proficiency score averages, the average test scores for Marionville, MO schools is 56%. The average student to teacher ratio is 14:1. In Marionville, MO, an average of 81.7% of students have completed 8th grade and an average of 79.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Battlefield, MO | 6,375 | 70% | 45.8% |
| Republic, MO | 16,571 | 59% | 21.9% |
| Mount Vernon, MO | 4,490 | 48% | 0.3% |
| Clever, MO | 2,742 | 43% | 9.9% |
| Billings, MO | 908 | 41% | 15.1% |
| Marionville, MO | 2,633 | 56% | 17.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Summit, MS | 2,633 | 40% | 16.1% |
| Brooklyn, IN | 2,633 | 52% | 8.3% |
| Tool, TX | 2,633 | 72% | 50.0% |
| Winamac, IN | 2,634 | 52% | 7.3% |
| East Newark, NJ | 2,634 | 45% | 7.3% |
| Marionville, MO | 2,633 | 56% | 17.4% |
Here are the best places to live in Missouri
Safest Cities In The US
See the best places to live in Marionville
Check out the 10 most dangerous cities in Missouri