| Index | Sunbury | Ohio | National |
| Average Test Scores | 79% | 61% | 48% |
| Student/Teacher ratio | 15:1 | 17:1 | 16:1 |
| Total public schools | 4 | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |


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| Index | Sunbury | Ohio | National |
| Completed 8th grade | 94.8% | 86.9% | 84.3% |
| Completed high school | 94.0% | 85.6% | 83.0% |
| Completed some college | 62.9% | 55.7% | 59.4% |
| Completed associate degree | 44.4% | 35.1% | 38.5% |
| Completed bachelors | 36.8% | 26.7% | 30.3% |
| Completed masters | 12.6% | 10.0% | 11.5% |
| Completed professional degree | 1.9% | 2.7% | 3.3% |
| Completed doctorate | 1.6% | 1.1% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Sunbury. Using the proficiency score averages, the average test scores for Sunbury, OH schools is 79%. The average student to teacher ratio is 15:1. In Sunbury, OH, an average of 94.8% of students have completed 8th grade and an average of 94.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Galena, OH | 775 | 89% | 85.9% |
| Powell, OH | 13,792 | 88% | 82.9% |
| New Albany, OH | 11,385 | 87% | 81.3% |
| Dublin, OH | 49,030 | 81% | 68.7% |
| Gahanna, OH | 36,217 | 76% | 58.6% |
| Sunbury, OH | 6,065 | 79% | 65.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Oelwein, IA | 6,065 | 55% | 14.9% |
| Fair Haven, NJ | 6,065 | 86% | 79.7% |
| Woodcliff Lake, NJ | 6,064 | 81% | 68.2% |
| Scituate, MA | 6,062 | 74% | 54.9% |
| Bay Harbor Islands, FL | 6,061 | 81% | 68.8% |
| Sunbury, OH | 6,065 | 79% | 65.3% |