| Index | Gann | Ohio | National |
| Average Test Scores | n/a | 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 | Gann | Ohio | National |
| Completed 8th grade | 88.0% | 86.9% | 84.3% |
| Completed high school | 88.0% | 85.6% | 83.0% |
| Completed some college | 31.5% | 55.7% | 59.4% |
| Completed associate degree | 19.6% | 35.1% | 38.5% |
| Completed bachelors | 7.6% | 26.7% | 30.3% |
| Completed masters | 0.0% | 10.0% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Gann. Using the proficiency score averages, the average test scores for Gann, OH schools is n/a. The average student to teacher ratio is n/a. In Gann, OH, an average of 88.0% of students have completed 8th grade and an average of 88.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Gambier, OH | 2,428 | 85% | 76.0% |
| Killbuck, OH | 898 | 82% | 70.8% |
| Shreve, OH | 1,753 | 81% | 68.8% |
| Holmesville, OH | 298 | 80% | 65.6% |
| Butler, OH | 878 | 75% | 55.2% |
| Gann, OH | 132 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Divide, CO | 132 | 37% | 22.9% |
| Hookstown, PA | 132 | 66% | 36.8% |
| Sweetwater, OK | 132 | 35% | 28.1% |
| Delco, NC | 132 | 32% | 33.3% |
| Goodnews Bay, AK | 132 | 18% | 63.5% |
| Gann, OH | 132 | n/a |