| Index | Ottoville | Ohio | National |
| Average Test Scores | 90% | 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 | Ottoville | Ohio | National |
| Completed 8th grade | 94.1% | 86.9% | 84.3% |
| Completed high school | 92.2% | 85.6% | 83.0% |
| Completed some college | 56.5% | 55.7% | 59.4% |
| Completed associate degree | 39.8% | 35.1% | 38.5% |
| Completed bachelors | 22.4% | 26.7% | 30.3% |
| Completed masters | 4.7% | 10.0% | 11.5% |
| Completed professional degree | 0.3% | 2.7% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Ottoville. Using the proficiency score averages, the average test scores for Ottoville, OH schools is 90%. The average student to teacher ratio is n/a. In Ottoville, OH, an average of 94.1% of students have completed 8th grade and an average of 92.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kalida, OH | 1,679 | 88% | 83.9% |
| Miller City, OH | 142 | 87% | 80.9% |
| Delphos, OH | 7,066 | 82% | 70.1% |
| Continental, OH | 1,408 | 81% | 68.2% |
| Grover Hill, OH | 417 | 80% | 65.6% |
| Ottoville, OH | 919 | 90% | 88.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Alma, KS | 919 | 53% | 9.4% |
| Eagle, NE | 919 | 45% | 7.3% |
| Sioux Rapids, IA | 920 | 71% | 48.6% |
| Flat Lick, KY | 920 | 53% | 10.9% |
| Howe, OK | 918 | 26% | 45.8% |
| Ottoville, OH | 919 | 90% | 88.0% |
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