| Index | Millersburg | Ohio | National |
| Average Test Scores | 71% | 61% | 48% |
| Student/Teacher ratio | 13:1 | 17:1 | 16:1 |
| Total public schools | 5 | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |

| Index | Millersburg | Ohio | National |
| Completed 8th grade | 84.2% | 86.9% | 84.3% |
| Completed high school | 81.3% | 85.6% | 83.0% |
| Completed some college | 33.4% | 55.7% | 59.4% |
| Completed associate degree | 17.5% | 35.1% | 38.5% |
| Completed bachelors | 10.0% | 26.7% | 30.3% |
| Completed masters | 3.3% | 10.0% | 11.5% |
| Completed professional degree | 1.6% | 2.7% | 3.3% |
| Completed doctorate | 0.4% | 1.1% | 1.3% |
There are a total of 5 public schools, n/a private schools and n/a post-secondary schools in Millersburg. Using the proficiency score averages, the average test scores for Millersburg, OH schools is 71%. The average student to teacher ratio is 13:1. In Millersburg, OH, an average of 84.2% of students have completed 8th grade and an average of 81.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Berlin, OH | 1,190 | 88% | 83.9% |
| Winesburg, OH | 297 | 85% | 76.0% |
| Killbuck, OH | 898 | 82% | 70.8% |
| Walnut Creek, OH | 1,467 | 82% | 70.8% |
| Shreve, OH | 1,753 | 81% | 68.8% |
| Millersburg, OH | 3,280 | 71% | 48.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Mannford, OK | 3,279 | 40% | 16.1% |
| Petersburg, AK | 3,279 | 60% | 24.3% |
| Yerington, NV | 3,282 | 27% | 43.4% |
| Iowa, LA | 3,282 | 75% | 55.7% |
| Brownstown, PA | 3,278 | 70% | 44.8% |
| Millersburg, OH | 3,280 | 71% | 48.3% |