| Index | Coolville | Ohio | National |
| Average Test Scores | 70% | 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 | Coolville | Ohio | National |
| Completed 8th grade | 72.4% | 86.9% | 84.3% |
| Completed high school | 71.9% | 85.6% | 83.0% |
| Completed some college | 23.7% | 55.7% | 59.4% |
| Completed associate degree | 10.7% | 35.1% | 38.5% |
| Completed bachelors | 5.3% | 26.7% | 30.3% |
| Completed masters | 1.9% | 10.0% | 11.5% |
| Completed professional degree | 0.2% | 2.7% | 3.3% |
| Completed doctorate | 0.2% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Coolville. Using the proficiency score averages, the average test scores for Coolville, OH schools is 70%. The average student to teacher ratio is n/a. In Coolville, OH, an average of 72.4% of students have completed 8th grade and an average of 71.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Little Hocking, OH | 759 | 80% | 65.6% |
| Belpre, OH | 6,387 | 65% | 34.9% |
| Vincent, OH | 273 | 62% | 29.2% |
| Stewart, OH | 326 | 57% | 17.7% |
| Pomeroy, OH | 1,752 | 50% | 4.7% |
| Coolville, OH | 556 | 70% | 44.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Adams, NE | 556 | 62% | 29.2% |
| Dorchester, NE | 556 | 43% | 11.5% |
| Schulter, OK | 556 | 29% | 39.1% |
| Schenevus, NY | 556 | 45% | 7.3% |
| Aniak, AK | 557 | 20% | 58.3% |
| Coolville, OH | 556 | 70% | 44.8% |
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