| Index | Millville | 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 | Millville | Ohio | National |
| Completed 8th grade | 81.2% | 86.9% | 84.3% |
| Completed high school | 80.3% | 85.6% | 83.0% |
| Completed some college | 47.4% | 55.7% | 59.4% |
| Completed associate degree | 22.9% | 35.1% | 38.5% |
| Completed bachelors | 16.2% | 26.7% | 30.3% |
| Completed masters | 6.3% | 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 Millville. Using the proficiency score averages, the average test scores for Millville, OH schools is n/a. The average student to teacher ratio is n/a. In Millville, OH, an average of 81.2% of students have completed 8th grade and an average of 80.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Madeira, OH | 9,211 | 94% | 94.8% |
| Wyoming, OH | 8,540 | 92% | 91.9% |
| Miamitown, OH | 1,391 | 82% | 70.8% |
| Harrison, OH | 12,763 | 79% | 64.4% |
| Beckett Ridge, OH | 9,493 | 76% | 57.3% |
| Millville, OH | 644 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Saxton, PA | 644 | 47% | 1.7% |
| Kingston, GA | 644 | 32% | 34.4% |
| Merrillan, WI | 644 | 42% | 12.5% |
| Farmington, IA | 644 | 65% | 34.4% |
| Morris, NY | 643 | 52% | 8.3% |
| Millville, OH | 644 | n/a |
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