| Index | Fort Mill | South Carolina | National |
| Average Test Scores | 72% | 47% | 48% |
| Student/Teacher ratio | 15:1 | 16:1 | 16:1 |
| Total public schools | 10 | 932 | 79,221 |
| Total private schools | 3 | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Fort Mill | South Carolina | National |
| Completed 8th grade | 89.1% | 83.0% | 84.3% |
| Completed high school | 88.8% | 81.6% | 83.0% |
| Completed some college | 68.0% | 56.6% | 59.4% |
| Completed associate degree | 47.8% | 35.6% | 38.5% |
| Completed bachelors | 36.0% | 26.5% | 30.3% |
| Completed masters | 9.7% | 9.6% | 11.5% |
| Completed professional degree | 1.8% | 2.5% | 3.3% |
| Completed doctorate | 1.2% | 1.1% | 1.3% |
There are a total of 10 public schools, 3 private schools and n/a post-secondary schools in Fort Mill. Using the proficiency score averages, the average test scores for Fort Mill, SC schools is 72%. The average student to teacher ratio is 15:1. In Fort Mill, SC, an average of 89.1% of students have completed 8th grade and an average of 88.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Marvin, NC | 6,672 | 82% | 70.8% |
| Tega Cay, SC | 10,834 | 78% | 61.5% |
| Waxhaw, NC | 16,165 | 67% | 39.5% |
| Matthews, NC | 32,682 | 67% | 38.5% |
| Stallings, NC | 15,781 | 62% | 29.2% |
| Fort Mill, SC | 19,920 | 72% | 49.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Snellville, GA | 19,923 | 49% | 1.4% |
| Ennis, TX | 19,917 | 44% | 7.7% |
| Parma Heights, OH | 19,916 | 55% | 14.6% |
| Havelock, NC | 19,927 | 49% | 2.9% |
| Sand Springs, OK | 19,912 | 35% | 26.4% |
| Fort Mill, SC | 19,920 | 72% | 49.1% |
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