| Index | Castle Hayne | North Carolina | National |
| Average Test Scores | 49% | 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 | Castle Hayne | North Carolina | National |
| Completed 8th grade | 81.5% | 83.4% | 84.3% |
| Completed high school | 81.5% | 81.9% | 83.0% |
| Completed some college | 51.6% | 59.9% | 59.4% |
| Completed associate degree | 31.5% | 38.1% | 38.5% |
| Completed bachelors | 21.8% | 29.0% | 30.3% |
| Completed masters | 0.0% | 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 Castle Hayne. Using the proficiency score averages, the average test scores for Castle Hayne, NC schools is 49%. The average student to teacher ratio is n/a. In Castle Hayne, NC, an average of 81.5% of students have completed 8th grade and an average of 81.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hampstead, NC | 7,098 | 60% | 25.6% |
| Wilmington, NC | 125,049 | 46% | 4.3% |
| Burgaw, NC | 4,262 | 42% | 13.0% |
| Leland, NC | 22,366 | 42% | 13.1% |
| Rocky Point, NC | 1,687 | 38% | 20.1% |
| Castle Hayne, NC | 1,017 | 49% | 2.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Forrest, IL | 1,017 | 46% | 3.6% |
| Fremont, NC | 1,017 | 43% | 11.5% |
| Crawford, TX | 1,017 | 75% | 55.2% |
| Marine, IL | 1,017 | 55% | 13.5% |
| Sonora, KY | 1,017 | 35% | 27.6% |
| Castle Hayne, NC | 1,017 | 49% | 2.6% |