| Index | Sumter | South Carolina | National |
| Average Test Scores | 32% | 47% | 48% |
| Student/Teacher ratio | 17:1 | 16:1 | 16:1 |
| Total public schools | 22 | 932 | 79,221 |
| Total private schools | 9 | 369 | 24,874 |
| Total post-secondary schools | 3 | 96 | 7,963 |
| Index | Sumter | South Carolina | National |
| Completed 8th grade | 83.3% | 83.0% | 84.3% |
| Completed high school | 82.1% | 81.6% | 83.0% |
| Completed some college | 60.6% | 56.6% | 59.4% |
| Completed associate degree | 34.9% | 35.6% | 38.5% |
| Completed bachelors | 26.1% | 26.5% | 30.3% |
| Completed masters | 10.3% | 9.6% | 11.5% |
| Completed professional degree | 2.7% | 2.5% | 3.3% |
| Completed doctorate | 1.2% | 1.1% | 1.3% |
There are a total of 22 public schools, 9 private schools and 3 post-secondary schools in Sumter. Using the proficiency score averages, the average test scores for Sumter, SC schools is 32%. The average student to teacher ratio is 17:1. In Sumter, SC, an average of 83.3% of students have completed 8th grade and an average of 82.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Alcolu, SC | 413 | 50% | 4.2% |
| Dalzell, SC | 3,086 | 41% | 15.6% |
| Pinewood, SC | 574 | 40% | 17.7% |
| Mayesville, SC | 674 | 27% | 43.8% |
| Rembert, SC | 219 | 26% | 46.4% |
| Sumter, SC | 39,758 | 32% | 34.1% |
| City | Population | Avg. Test Scores | National Avg. |
| La Puente, CA | 39,780 | 38% | 21.8% |
| Hallandale Beach, FL | 39,782 | 45% | 5.5% |
| New Berlin, WI | 39,794 | 61% | 27.8% |
| Crystal Lake, IL | 39,685 | 46% | 3.9% |
| Calexico, CA | 39,841 | 26% | 46.2% |
| Sumter, SC | 39,758 | 32% | 34.1% |
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