| Index | Sunbury | North Carolina | National |
| Average Test Scores | 25% | 43% | 48% |
| Student/Teacher ratio | n/a | 15:1 | 16:1 |
| Total public schools | n/a | 1,895 | 79,221 |
| Total private schools | n/a | 510 | 24,874 |
| Total post-secondary schools | n/a | 183 | 7,963 |

| Index | Sunbury | North Carolina | National |
| Completed 8th grade | 88.2% | 83.4% | 84.3% |
| Completed high school | 88.2% | 81.9% | 83.0% |
| Completed some college | 64.5% | 59.9% | 59.4% |
| Completed associate degree | 26.9% | 38.1% | 38.5% |
| Completed bachelors | 26.9% | 29.0% | 30.3% |
| Completed masters | 17.2% | 10.2% | 11.5% |
| Completed professional degree | 0.0% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.3% | 1.3% |
There are a total of n/a 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, NC schools is 25%. The average student to teacher ratio is n/a. In Sunbury, NC, an average of 88.2% of students have completed 8th grade and an average of 88.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Gatesville, NC | 248 | 45% | 7.3% |
| Sunbury, NC | 248 | 25% | 49.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Upper Kalskag, AK | 248 | 10% | 79.2% |
| Gatesville, NC | 248 | 45% | 7.3% |
| Halifax, NC | 248 | 18% | 63.5% |
| Mulhall, OK | 248 | 55% | 13.5% |
| Koyuk, AK | 248 | 10% | 79.2% |
| Sunbury, NC | 248 | 25% | 49.0% |