| Index | Williston | South Carolina | National |
| Average Test Scores | 31% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 16:1 | 16:1 |
| Total public schools | 3 | 932 | 79,221 |
| Total private schools | 2 | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Williston | South Carolina | National |
| Completed 8th grade | 76.1% | 83.0% | 84.3% |
| Completed high school | 75.0% | 81.6% | 83.0% |
| Completed some college | 35.5% | 56.6% | 59.4% |
| Completed associate degree | 20.8% | 35.6% | 38.5% |
| Completed bachelors | 11.7% | 26.5% | 30.3% |
| Completed masters | 3.9% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 3 public schools, 2 private schools and n/a post-secondary schools in Williston. Using the proficiency score averages, the average test scores for Williston, SC schools is 31%. The average student to teacher ratio is 14:1. In Williston, SC, an average of 76.1% of students have completed 8th grade and an average of 75.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Blackville, SC | 2,037 | 47% | 2.1% |
| Barnwell, SC | 4,373 | 40% | 16.9% |
| New Ellenton, SC | 2,159 | 33% | 30.7% |
| Williston, SC | 2,950 | 31% | 35.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Girard, PA | 2,950 | 71% | 47.9% |
| Cutchogue, NY | 2,948 | 59% | 21.9% |
| Wise, VA | 2,954 | 89% | 84.9% |
| Atoka, OK | 2,946 | 30% | 37.3% |
| Palmer Lake, CO | 2,946 | 47% | 2.1% |
| Williston, SC | 2,950 | 31% | 35.1% |
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