| Index | Oak Harbor | Ohio | National |
| Average Test Scores | 83% | 61% | 48% |
| Student/Teacher ratio | 19:1 | 17:1 | 16:1 |
| Total public schools | 4 | 3,650 | 79,221 |
| Total private schools | 1 | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |
| Index | Oak Harbor | Ohio | National |
| Completed 8th grade | 90.3% | 86.9% | 84.3% |
| Completed high school | 89.9% | 85.6% | 83.0% |
| Completed some college | 52.8% | 55.7% | 59.4% |
| Completed associate degree | 27.9% | 35.1% | 38.5% |
| Completed bachelors | 18.9% | 26.7% | 30.3% |
| Completed masters | 9.4% | 10.0% | 11.5% |
| Completed professional degree | 1.8% | 2.7% | 3.3% |
| Completed doctorate | 0.8% | 1.1% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Oak Harbor. Using the proficiency score averages, the average test scores for Oak Harbor, OH schools is 83%. The average student to teacher ratio is 19:1. In Oak Harbor, OH, an average of 90.3% of students have completed 8th grade and an average of 89.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lindsey, OH | 422 | 88% | 82.3% |
| Curtice, OH | 1,251 | 77% | 60.4% |
| Woodville, OH | 2,027 | 77% | 59.9% |
| Elmore, OH | 1,756 | 72% | 50.0% |
| Genoa, OH | 2,082 | 71% | 46.9% |
| Oak Harbor, OH | 2,708 | 83% | 72.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Kalama, WA | 2,708 | 53% | 10.4% |
| Sewaren, NJ | 2,708 | 42% | 12.5% |
| Victor, NY | 2,709 | 70% | 46.6% |
| New Tazewell, TN | 2,707 | 31% | 35.4% |
| Concordia, MO | 2,709 | 42% | 12.5% |
| Oak Harbor, OH | 2,708 | 83% | 72.2% |
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