| Index | Charleston | Mississippi | National |
| Average Test Scores | 22% | 40% | 48% |
| Student/Teacher ratio | 17:1 | 16:1 | 16:1 |
| Total public schools | 4 | 893 | 79,221 |
| Total private schools | 1 | 206 | 24,874 |
| Total post-secondary schools | n/a | 68 | 7,963 |
| Index | Charleston | Mississippi | National |
| Completed 8th grade | 69.0% | 78.6% | 84.3% |
| Completed high school | 63.6% | 76.7% | 83.0% |
| Completed some college | 36.4% | 52.5% | 59.4% |
| Completed associate degree | 18.4% | 29.8% | 38.5% |
| Completed bachelors | 11.6% | 21.0% | 30.3% |
| Completed masters | 6.2% | 7.9% | 11.5% |
| Completed professional degree | 2.8% | 2.2% | 3.3% |
| Completed doctorate | 1.6% | 0.9% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Charleston. Using the proficiency score averages, the average test scores for Charleston, MS schools is 22%. The average student to teacher ratio is 17:1. In Charleston, MS, an average of 69.0% of students have completed 8th grade and an average of 63.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lambert, MS | 1,159 | 52% | 8.3% |
| Pope, MS | 559 | 50% | 4.2% |
| Charleston, MS | 2,651 | 22% | 54.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Le Center, MN | 2,651 | 45% | 6.3% |
| Meredith, NH | 2,651 | 57% | 18.1% |
| South Hutchinson, KS | 2,651 | 30% | 38.5% |
| Coudersport, PA | 2,652 | 52% | 8.3% |
| North Middletown, NJ | 2,652 | 50% | 3.1% |
| Charleston, MS | 2,651 | 22% | 54.9% |
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