| Index | Mills River | North Carolina | National |
| Average Test Scores | 68% | 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 | Mills River | North Carolina | National |
| Completed 8th grade | 87.4% | 83.4% | 84.3% |
| Completed high school | 85.9% | 81.9% | 83.0% |
| Completed some college | 64.4% | 59.9% | 59.4% |
| Completed associate degree | 42.6% | 38.1% | 38.5% |
| Completed bachelors | 30.5% | 29.0% | 30.3% |
| Completed masters | 11.2% | 10.2% | 11.5% |
| Completed professional degree | 3.0% | 2.9% | 3.3% |
| Completed doctorate | 1.3% | 1.3% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mills River. Using the proficiency score averages, the average test scores for Mills River, NC schools is 68%. The average student to teacher ratio is n/a. In Mills River, NC, an average of 87.4% of students have completed 8th grade and an average of 85.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Saluda, NC | 779 | 65% | 34.4% |
| Royal Pines, NC | 4,499 | 65% | 34.4% |
| Etowah, NC | 7,840 | 61% | 26.0% |
| Hendersonville, NC | 14,020 | 53% | 10.5% |
| Fletcher, NC | 8,287 | 51% | 6.3% |
| Mills River, NC | 7,319 | 68% | 42.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Mexia, TX | 7,319 | 36% | 24.7% |
| Washington, IA | 7,318 | 56% | 16.0% |
| Gorham, ME | 7,322 | 57% | 19.2% |
| Hastings, MI | 7,314 | 44% | 7.7% |
| Ponchatoula, LA | 7,311 | 63% | 31.0% |
| Mills River, NC | 7,319 | 68% | 42.2% |
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