| 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 |
| 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 | 753 | 89% | 85.9% |
| Powell, OH | 13,353 | 88% | 82.9% |
| New Albany, OH | 11,085 | 87% | 81.3% |
| Dublin, OH | 47,824 | 81% | 68.7% |
| Gahanna, OH | 35,442 | 76% | 58.6% |
| Sunbury, OH | 5,934 | 79% | 65.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Taylor, PA | 5,935 | 50% | 4.2% |
| Lake Mills, WI | 5,936 | 48% | 0.7% |
| Portland, CT | 5,937 | 61% | 26.3% |
| Roanoke, AL | 5,931 | 38% | 20.1% |
| Hilmar-Irwin, CA | 5,937 | 40% | 16.9% |
| Sunbury, OH | 5,934 | 79% | 65.3% |
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