| Index | Grantsboro | North Carolina | National |
| Average Test Scores | n/a | 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 | Grantsboro | North Carolina | National |
| Completed 8th grade | 76.5% | 83.4% | 84.3% |
| Completed high school | 74.4% | 81.9% | 83.0% |
| Completed some college | 41.6% | 59.9% | 59.4% |
| Completed associate degree | 18.1% | 38.1% | 38.5% |
| Completed bachelors | 8.2% | 29.0% | 30.3% |
| Completed masters | 2.4% | 10.2% | 11.5% |
| Completed professional degree | 0.3% | 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 Grantsboro. Using the proficiency score averages, the average test scores for Grantsboro, NC schools is n/a. The average student to teacher ratio is n/a. In Grantsboro, NC, an average of 76.5% of students have completed 8th grade and an average of 74.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| New Bern, NC | 29,985 | 40% | 17.1% |
| Arapahoe, NC | 397 | 40% | 17.7% |
| Bayboro, NC | 1,242 | 39% | 18.4% |
| Aurora, NC | 772 | 27% | 43.8% |
| Grantsboro, NC | 586 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Upper Marlboro, MD | 586 | 27% | 44.8% |
| Garfield, WA | 586 | 68% | 40.6% |
| Cherry Valley, NY | 586 | 47% | 2.1% |
| Busby, MT | 586 | 5% | 89.6% |
| White City, KS | 586 | 41% | 14.6% |
| Grantsboro, NC | 586 | n/a |
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