| Index | South Mills | 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 |


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| Index | South Mills | North Carolina | National |
| Completed 8th grade | 90.6% | 83.4% | 84.3% |
| Completed high school | 90.6% | 81.9% | 83.0% |
| Completed some college | 84.5% | 59.9% | 59.4% |
| Completed associate degree | 28.2% | 38.1% | 38.5% |
| Completed bachelors | 0.0% | 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 South Mills. Using the proficiency score averages, the average test scores for South Mills, NC schools is n/a. The average student to teacher ratio is n/a. In South Mills, NC, an average of 90.6% of students have completed 8th grade and an average of 90.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Camden, NC | 914 | 59% | 23.3% |
| Moyock, NC | 5,180 | 47% | 2.6% |
| Elizabeth City, NC | 17,725 | 33% | 30.9% |
| South Mills, NC | 391 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Davenport, NE | 391 | 60% | 25.0% |
| Hayti, SD | 391 | 64% | 32.6% |
| Grimesland, NC | 392 | 42% | 13.5% |
| Vanlue, OH | 390 | 75% | 55.7% |
| Ekalaka, MT | 392 | 52% | 7.6% |
| South Mills, NC | 391 | n/a |