| Index | Sumner | 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 | Sumner | Missouri | National |
| Completed 8th grade | 87.3% | 86.0% | 84.3% |
| Completed high school | 87.3% | 84.2% | 83.0% |
| Completed some college | 34.5% | 57.7% | 59.4% |
| Completed associate degree | 16.4% | 35.2% | 38.5% |
| Completed bachelors | 12.7% | 27.6% | 30.3% |
| Completed masters | 9.1% | 10.4% | 11.5% |
| Completed professional degree | 5.5% | 2.8% | 3.3% |
| Completed doctorate | 5.5% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Sumner. Using the proficiency score averages, the average test scores for Sumner, MO schools is n/a. The average student to teacher ratio is n/a. In Sumner, MO, an average of 87.3% of students have completed 8th grade and an average of 87.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hale, MO | 456 | 69% | 43.2% |
| Meadville, MO | 571 | 58% | 21.4% |
| Tina, MO | 344 | 53% | 9.4% |
| Bosworth, MO | 178 | 50% | 4.2% |
| Brookfield, MO | 4,435 | 48% | = 100 |
| Sumner, MO | 122 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Roy, MT | 122 | 50% | 4.2% |
| Hitchcock, SD | 122 | 55% | 14.6% |
| Centerville, WA | 122 | 65% | 35.4% |
| Seibert, CO | 122 | 30% | 37.5% |
| Montgomery Creek, CA | 122 | 30% | 37.5% |
| Sumner, MO | 122 | n/a |