| Index | Kelleys Island | 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 | Kelleys Island | Ohio | National |
| Completed 8th grade | 91.5% | 86.9% | 84.3% |
| Completed high school | 91.5% | 85.6% | 83.0% |
| Completed some college | 56.2% | 55.7% | 59.4% |
| Completed associate degree | 33.3% | 35.1% | 38.5% |
| Completed bachelors | 26.8% | 26.7% | 30.3% |
| Completed masters | 6.5% | 10.0% | 11.5% |
| Completed professional degree | 4.6% | 2.7% | 3.3% |
| Completed doctorate | 0.7% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Kelleys Island. Using the proficiency score averages, the average test scores for Kelleys Island, OH schools is n/a. The average student to teacher ratio is n/a. In Kelleys Island, OH, an average of 91.5% of students have completed 8th grade and an average of 91.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Huron, OH | 7,056 | 78% | 62.5% |
| Lakeside, OH | 700 | 74% | 53.8% |
| Port Clinton, OH | 6,345 | 69% | 43.4% |
| Put-in-Bay, OH | 58 | 65% | 35.4% |
| Castalia, OH | 1,186 | 49% | 1.4% |
| Kelleys Island, OH | 289 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lyman, WA | 289 | 70% | 44.8% |
| Clarksburg, MO | 289 | 45% | 6.3% |
| Belleville, NY | 289 | 54% | 12.5% |
| El Nido, CA | 289 | 32% | 33.3% |
| Ridgeland, WI | 290 | 50% | 4.2% |
| Kelleys Island, OH | 289 | n/a |
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