| Index | Garrettsville | Ohio | National |
| Average Test Scores | 70% | 61% | 48% |
| Student/Teacher ratio | 17:1 | 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 | Garrettsville | Ohio | National |
| Completed 8th grade | 91.3% | 86.9% | 84.3% |
| Completed high school | 91.2% | 85.6% | 83.0% |
| Completed some college | 63.8% | 55.7% | 59.4% |
| Completed associate degree | 37.2% | 35.1% | 38.5% |
| Completed bachelors | 27.9% | 26.7% | 30.3% |
| Completed masters | 9.4% | 10.0% | 11.5% |
| Completed professional degree | 1.7% | 2.7% | 3.3% |
| Completed doctorate | 1.1% | 1.1% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Garrettsville. Using the proficiency score averages, the average test scores for Garrettsville, OH schools is 70%. The average student to teacher ratio is 17:1. In Garrettsville, OH, an average of 91.3% of students have completed 8th grade and an average of 91.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Aurora, OH | 16,165 | 87% | 80.9% |
| Burton, OH | 1,443 | 71% | 47.9% |
| Kent, OH | 29,698 | 70% | 46.6% |
| Mantua, OH | 950 | 68% | 41.3% |
| Leavittsburg, OH | 1,468 | 67% | 39.9% |
| Garrettsville, OH | 2,497 | 70% | 45.8% |
| City | Population | Avg. Test Scores | National Avg. |
| De Leon, TX | 2,497 | 54% | 11.8% |
| Silver Lake, OH | 2,496 | 82% | 70.8% |
| Yardley, PA | 2,496 | 71% | 47.2% |
| Redfield, SD | 2,496 | 34% | 29.5% |
| Lake Crystal, MN | 2,496 | 60% | 24.0% |
| Garrettsville, OH | 2,497 | 70% | 45.8% |
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