| Index | Mendon | Ohio | National |
| Average Test Scores | n/a | 61% | 48% |
| Student/Teacher ratio | n/a | 17:1 | 16:1 |
| Total public schools | n/a | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |

| Index | Mendon | Ohio | National |
| Completed 8th grade | 90.0% | 86.9% | 84.3% |
| Completed high school | 88.1% | 85.6% | 83.0% |
| Completed some college | 41.4% | 55.7% | 59.4% |
| Completed associate degree | 18.6% | 35.1% | 38.5% |
| Completed bachelors | 8.1% | 26.7% | 30.3% |
| Completed masters | 2.8% | 10.0% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 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, OH schools is n/a. The average student to teacher ratio is n/a. In Mendon, OH, an average of 90.0% of students have completed 8th grade and an average of 88.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Rockford, OH | 908 | 83% | 72.6% |
| Coldwater, OH | 4,092 | 82% | 70.8% |
| Delphos, OH | 7,315 | 82% | 70.1% |
| New Knoxville, OH | 1,166 | 80% | 66.1% |
| Spencerville, OH | 2,271 | 79% | 64.6% |
| Mendon, OH | 656 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Vernon, FL | 656 | 50% | 3.8% |
| New Florence, PA | 656 | 37% | 22.9% |
| Wellington, MO | 656 | 42% | 12.5% |
| Bunker Hill, IN | 656 | 43% | 10.8% |
| Alton, MO | 656 | 30% | 37.5% |
| Mendon, OH | 656 | n/a |