| Index | Carey | Ohio | National |
| Average Test Scores | 66% | 61% | 48% |
| Student/Teacher ratio | 15:1 | 17:1 | 16:1 |
| Total public schools | 3 | 3,650 | 79,221 |
| Total private schools | 1 | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |
| Index | Carey | Ohio | National |
| Completed 8th grade | 89.0% | 86.9% | 84.3% |
| Completed high school | 88.3% | 85.6% | 83.0% |
| Completed some college | 40.2% | 55.7% | 59.4% |
| Completed associate degree | 23.0% | 35.1% | 38.5% |
| Completed bachelors | 10.9% | 26.7% | 30.3% |
| Completed masters | 3.4% | 10.0% | 11.5% |
| Completed professional degree | 0.3% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Carey. Using the proficiency score averages, the average test scores for Carey, OH schools is 66%. The average student to teacher ratio is 15:1. In Carey, OH, an average of 89.0% of students have completed 8th grade and an average of 88.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Van Buren, OH | 477 | 85% | 76.4% |
| Arcadia, OH | 676 | 81% | 67.7% |
| Bascom, OH | 189 | 76% | 58.3% |
| Arlington, OH | 1,558 | 76% | 57.8% |
| Vanlue, OH | 390 | 75% | 55.7% |
| Carey, OH | 3,386 | 66% | 38.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Union City, IN | 3,385 | 42% | 12.0% |
| Blountville, TN | 3,387 | 39% | 19.5% |
| Eielson AFB, AK | 3,388 | 51% | 5.2% |
| Rio Dell, CA | 3,388 | 28% | 41.1% |
| Mayfield, OH | 3,388 | 80% | 65.6% |
| Carey, OH | 3,386 | 66% | 38.0% |
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