| 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 | 445 | 69% | 43.2% |
| Meadville, MO | 559 | 58% | 21.4% |
| Tina, MO | 332 | 53% | 9.4% |
| Bosworth, MO | 173 | 50% | 4.2% |
| Brookfield, MO | 4,265 | 48% | = 100 |
| Sumner, MO | 117 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Tony, WI | 117 | 26% | 46.9% |
| Theodosia, MO | 116 | 23% | 53.1% |
| West Elkton, OH | 116 | 62% | 28.1% |
| Centerville, WA | 118 | 65% | 35.4% |
| Long Island, KS | 116 | 20% | 58.3% |
| Sumner, MO | 117 | n/a |
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