| Index | Mullins | South Carolina | National |
| Average Test Scores | 30% | 47% | 48% |
| Student/Teacher ratio | 16:1 | 16:1 | 16:1 |
| Total public schools | 6 | 932 | 79,221 |
| Total private schools | 2 | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Mullins | South Carolina | National |
| Completed 8th grade | 76.3% | 83.0% | 84.3% |
| Completed high school | 74.4% | 81.6% | 83.0% |
| Completed some college | 48.7% | 56.6% | 59.4% |
| Completed associate degree | 26.2% | 35.6% | 38.5% |
| Completed bachelors | 21.7% | 26.5% | 30.3% |
| Completed masters | 5.1% | 9.6% | 11.5% |
| Completed professional degree | 0.4% | 2.5% | 3.3% |
| Completed doctorate | 0.2% | 1.1% | 1.3% |
There are a total of 6 public schools, 2 private schools and n/a post-secondary schools in Mullins. Using the proficiency score averages, the average test scores for Mullins, SC schools is 30%. The average student to teacher ratio is 16:1. In Mullins, SC, an average of 76.3% of students have completed 8th grade and an average of 74.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Aynor, SC | 785 | 64% | 32.6% |
| Latta, SC | 1,627 | 50% | 3.1% |
| Lake View, SC | 714 | 35% | 26.6% |
| Marion, SC | 6,598 | 26% | 46.6% |
| Mullins, SC | 4,276 | 30% | 38.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Holmes Beach, FL | 4,276 | 80% | 65.6% |
| Prescott, WI | 4,278 | 52% | 7.3% |
| Hugoton, KS | 4,274 | 23% | 51.7% |
| Argyle, TX | 4,278 | 71% | 48.4% |
| Osawatomie, KS | 4,279 | 23% | 52.1% |
| Mullins, SC | 4,276 | 30% | 38.5% |
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