| Index | Grafton | Ohio | National |
| Average Test Scores | 71% | 61% | 48% |
| Student/Teacher ratio | 20:1 | 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 | Grafton | Ohio | National |
| Completed 8th grade | 67.3% | 86.9% | 84.3% |
| Completed high school | 66.9% | 85.6% | 83.0% |
| Completed some college | 48.1% | 55.7% | 59.4% |
| Completed associate degree | 14.1% | 35.1% | 38.5% |
| Completed bachelors | 6.5% | 26.7% | 30.3% |
| Completed masters | 2.2% | 10.0% | 11.5% |
| Completed professional degree | 0.2% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Grafton. Using the proficiency score averages, the average test scores for Grafton, OH schools is 71%. The average student to teacher ratio is 20:1. In Grafton, OH, an average of 67.3% of students have completed 8th grade and an average of 66.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Rocky River, OH | 20,115 | 91% | 89.6% |
| Bay Village, OH | 15,258 | 91% | 88.9% |
| Avon Lake, OH | 24,309 | 88% | 83.2% |
| Avon, OH | 23,233 | 87% | 80.2% |
| Westlake, OH | 32,154 | 86% | 78.1% |
| Grafton, OH | 6,017 | 71% | 47.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Isanti, MN | 6,016 | 58% | 20.3% |
| Cherryville, NC | 6,018 | 46% | 4.7% |
| Highland, NY | 6,019 | 58% | 20.5% |
| Raton, NM | 6,020 | 20% | 59.4% |
| East Alton, IL | 6,021 | 22% | 54.7% |
| Grafton, OH | 6,017 | 71% | 47.1% |
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