| Index | Milledgeville | 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 | Milledgeville | Ohio | National |
| Completed 8th grade | 78.1% | 86.9% | 84.3% |
| Completed high school | 71.2% | 85.6% | 83.0% |
| Completed some college | 32.9% | 55.7% | 59.4% |
| Completed associate degree | 6.8% | 35.1% | 38.5% |
| Completed bachelors | 5.5% | 26.7% | 30.3% |
| Completed masters | 2.7% | 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 Milledgeville. Using the proficiency score averages, the average test scores for Milledgeville, OH schools is n/a. The average student to teacher ratio is n/a. In Milledgeville, OH, an average of 78.1% of students have completed 8th grade and an average of 71.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cedarville, OH | 3,848 | 80% | 66.1% |
| Jamestown, OH | 2,150 | 66% | 38.2% |
| Sabina, OH | 2,624 | 64% | 33.3% |
| Washington Court House, OH | 14,155 | 64% | 33.1% |
| Wilmington, OH | 12,444 | 56% | 16.1% |
| Milledgeville, OH | 116 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Long Island, KS | 116 | 20% | 58.3% |
| Theodosia, MO | 116 | 23% | 53.1% |
| Pomaria, SC | 116 | 50% | 3.1% |
| West Elkton, OH | 116 | 62% | 28.1% |
| Eagle, MI | 116 | 52% | 7.3% |
| Milledgeville, OH | 116 | n/a |
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