| Index | South Charleston | Ohio | National |
| Average Test Scores | 71% | 61% | 48% |
| Student/Teacher ratio | 18:1 | 17:1 | 16:1 |
| Total public schools | 3 | 3,650 | 79,221 |
| Total private schools | n/a | 1,000 | 24,874 |
| Total post-secondary schools | n/a | 393 | 7,963 |
| Index | South Charleston | Ohio | National |
| Completed 8th grade | 84.4% | 86.9% | 84.3% |
| Completed high school | 82.5% | 85.6% | 83.0% |
| Completed some college | 49.1% | 55.7% | 59.4% |
| Completed associate degree | 24.5% | 35.1% | 38.5% |
| Completed bachelors | 16.9% | 26.7% | 30.3% |
| Completed masters | 5.6% | 10.0% | 11.5% |
| Completed professional degree | 1.3% | 2.7% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in South Charleston. Using the proficiency score averages, the average test scores for South Charleston, OH schools is 71%. The average student to teacher ratio is 18:1. In South Charleston, OH, an average of 84.4% of students have completed 8th grade and an average of 82.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cedarville, OH | 3,848 | 80% | 66.1% |
| Yellow Springs, OH | 3,972 | 69% | 43.2% |
| Jamestown, OH | 2,150 | 66% | 38.2% |
| London, OH | 10,241 | 65% | 35.0% |
| South Vienna, OH | 568 | 61% | 26.6% |
| South Charleston, OH | 1,806 | 71% | 47.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Great Falls, SC | 1,806 | 32% | 33.9% |
| Poth, TX | 1,805 | 68% | 42.4% |
| Hamilton, GA | 1,805 | 51% | 5.9% |
| Hartshorne, OK | 1,805 | 24% | 51.0% |
| Teutopolis, IL | 1,807 | 62% | 28.1% |
| South Charleston, OH | 1,806 | 71% | 47.2% |
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