| Index | Mendon | Missouri | National |
| Average Test Scores | 38% | 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 | Mendon | Missouri | National |
| Completed 8th grade | 83.7% | 86.0% | 84.3% |
| Completed high school | 80.9% | 84.2% | 83.0% |
| Completed some college | 36.9% | 57.7% | 59.4% |
| Completed associate degree | 23.4% | 35.2% | 38.5% |
| Completed bachelors | 9.2% | 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 Mendon. Using the proficiency score averages, the average test scores for Mendon, MO schools is 38%. The average student to teacher ratio is n/a. In Mendon, MO, an average of 83.7% of students have completed 8th grade and an average of 80.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hale, MO | 456 | 69% | 43.2% |
| Marceline, MO | 2,090 | 66% | 38.2% |
| Meadville, MO | 571 | 58% | 21.4% |
| Bosworth, MO | 178 | 50% | 4.2% |
| Bucklin, MO | 372 | 49% | 1.6% |
| Mendon, MO | 280 | 38% | 21.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Axis, AL | 280 | 34% | 29.2% |
| Merino, CO | 280 | 40% | 16.7% |
| Beclabito, NM | 280 | 50% | 4.2% |
| Hope, ND | 280 | 40% | 16.7% |
| Ten Sleep, WY | 281 | 55% | 13.5% |
| Mendon, MO | 280 | 38% | 21.9% |