| Index | Ada | Ohio | National |
| Average Test Scores | 75% | 61% | 48% |
| Student/Teacher ratio | 16:1 | 17:1 | 16:1 |
| Total public schools | 2 | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | 1 | 393 | 7,963 |
| Index | Ada | Ohio | National |
| Completed 8th grade | 85.5% | 86.9% | 84.3% |
| Completed high school | 85.5% | 85.6% | 83.0% |
| Completed some college | 58.1% | 55.7% | 59.4% |
| Completed associate degree | 33.0% | 35.1% | 38.5% |
| Completed bachelors | 26.7% | 26.7% | 30.3% |
| Completed masters | 14.4% | 10.0% | 11.5% |
| Completed professional degree | 5.2% | 2.7% | 3.3% |
| Completed doctorate | 4.0% | 1.1% | 1.3% |
There are a total of 2 public schools, n/a private schools and 1 post-secondary schools in Ada. Using the proficiency score averages, the average test scores for Ada, OH schools is 75%. The average student to teacher ratio is 16:1. In Ada, OH, an average of 85.5% of students have completed 8th grade and an average of 85.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bluffton, OH | 4,024 | 85% | 77.4% |
| Columbus Grove, OH | 1,743 | 78% | 63.2% |
| Pandora, OH | 1,250 | 76% | 59.0% |
| Arlington, OH | 1,558 | 76% | 57.8% |
| Harrod, OH | 402 | 73% | 52.8% |
| Ada, OH | 5,248 | 75% | 55.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Woodstock, VA | 5,247 | 73% | 52.1% |
| Rockport, MA | 5,247 | 57% | 18.4% |
| Williamston, NC | 5,251 | 40% | 17.1% |
| North Oaks, MN | 5,244 | 77% | 60.4% |
| Islip Terrace, NY | 5,244 | 64% | 33.3% |
| Ada, OH | 5,248 | 75% | 55.2% |
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