| Index | St. Johns | 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 | St. Johns | Ohio | National |
| Completed 8th grade | 79.8% | 86.9% | 84.3% |
| Completed high school | 79.8% | 85.6% | 83.0% |
| Completed some college | 36.4% | 55.7% | 59.4% |
| Completed associate degree | 19.2% | 35.1% | 38.5% |
| Completed bachelors | 0.0% | 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 St. Johns. Using the proficiency score averages, the average test scores for St. Johns, OH schools is n/a. The average student to teacher ratio is n/a. In St. Johns, OH, an average of 79.8% of students have completed 8th grade and an average of 79.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Botkins, OH | 1,151 | 84% | 75.5% |
| Anna, OH | 1,608 | 83% | 72.6% |
| New Knoxville, OH | 1,125 | 80% | 66.1% |
| Spencerville, OH | 2,204 | 79% | 64.6% |
| Jackson Center, OH | 1,575 | 77% | 60.4% |
| St. Johns, OH | 178 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mount Vernon, AR | 178 | 50% | 3.1% |
| Kaktovik, AK | 178 | 30% | 37.5% |
| Gaylesville, AL | 178 | 40% | 17.7% |
| Vandervoort, AR | 178 | 50% | 3.1% |
| Starks, LA | 179 | 67% | 39.6% |
| St. Johns, OH | 178 | n/a |
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