| Index | Blackville | South Carolina | National |
| Average Test Scores | 47% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 16:1 | 16:1 |
| Total public schools | 4 | 932 | 79,221 |
| Total private schools | 3 | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Blackville | South Carolina | National |
| Completed 8th grade | 71.1% | 83.0% | 84.3% |
| Completed high school | 67.3% | 81.6% | 83.0% |
| Completed some college | 34.3% | 56.6% | 59.4% |
| Completed associate degree | 11.8% | 35.6% | 38.5% |
| Completed bachelors | 7.7% | 26.5% | 30.3% |
| Completed masters | 3.2% | 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 4 public schools, 3 private schools and n/a post-secondary schools in Blackville. Using the proficiency score averages, the average test scores for Blackville, SC schools is 47%. The average student to teacher ratio is 14:1. In Blackville, SC, an average of 71.1% of students have completed 8th grade and an average of 67.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Barnwell, SC | 4,373 | 40% | 16.9% |
| Denmark, SC | 3,231 | 33% | 31.3% |
| Williston, SC | 2,950 | 31% | 35.1% |
| Neeses, SC | 352 | 28% | 41.1% |
| Blackville, SC | 2,037 | 47% | 2.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Mount Holly Springs, PA | 2,037 | 47% | 2.1% |
| Essex Fells, NJ | 2,037 | 85% | 76.0% |
| Chadbourn, NC | 2,038 | 27% | 43.8% |
| Ellijay, GA | 2,036 | 45% | 6.3% |
| Ontario, NY | 2,038 | 59% | 22.9% |
| Blackville, SC | 2,037 | 47% | 2.1% |
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