| Index | Gravois Mills | Missouri | National |
| Average Test Scores | n/a | 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 | Gravois Mills | Missouri | National |
| Completed 8th grade | 49.4% | 86.0% | 84.3% |
| Completed high school | 43.4% | 84.2% | 83.0% |
| Completed some college | 8.4% | 57.7% | 59.4% |
| Completed associate degree | 3.6% | 35.2% | 38.5% |
| Completed bachelors | 0.0% | 27.6% | 30.3% |
| Completed masters | 0.0% | 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 Gravois Mills. Using the proficiency score averages, the average test scores for Gravois Mills, MO schools is n/a. The average student to teacher ratio is n/a. In Gravois Mills, MO, an average of 49.4% of students have completed 8th grade and an average of 43.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Osage Beach, MO | 5,033 | 51% | 6.3% |
| Eldon, MO | 4,856 | 51% | 6.0% |
| Sunrise Beach, MO | 419 | 50% | 3.1% |
| Versailles, MO | 3,098 | 43% | 10.4% |
| Stover, MO | 1,044 | 41% | 15.6% |
| Gravois Mills, MO | 156 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hope, NJ | 156 | 62% | 29.2% |
| Custer, MT | 156 | 30% | 37.5% |
| Indianola, OK | 156 | 30% | 38.0% |
| Bluff, UT | 156 | 30% | 37.5% |
| Palmetto, LA | 156 | 92% | 91.7% |
| Gravois Mills, MO | 156 | n/a |