| Index | Charleston | Arkansas | National |
| Average Test Scores | 55% | 45% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 2 | 860 | 79,221 |
| Total private schools | n/a | 165 | 24,874 |
| Total post-secondary schools | n/a | 98 | 7,963 |
| Index | Charleston | Arkansas | National |
| Completed 8th grade | 84.6% | 80.7% | 84.3% |
| Completed high school | 82.0% | 79.0% | 83.0% |
| Completed some college | 47.6% | 50.5% | 59.4% |
| Completed associate degree | 22.1% | 27.9% | 38.5% |
| Completed bachelors | 13.2% | 21.5% | 30.3% |
| Completed masters | 3.4% | 7.6% | 11.5% |
| Completed professional degree | 0.7% | 2.2% | 3.3% |
| Completed doctorate | 0.0% | 0.9% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Charleston. Using the proficiency score averages, the average test scores for Charleston, AR schools is 55%. The average student to teacher ratio is 16:1. In Charleston, AR, an average of 84.6% of students have completed 8th grade and an average of 82.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Greenwood, AR | 9,392 | 64% | 33.7% |
| Branch, AR | 389 | 61% | 26.6% |
| Lavaca, AR | 2,442 | 50% | 4.2% |
| Barling, AR | 4,957 | 50% | 3.1% |
| Alma, AR | 5,816 | 46% | 3.5% |
| Charleston, AR | 2,483 | 55% | 14.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Muse, PA | 2,483 | 77% | 60.4% |
| Owings, MD | 2,483 | 69% | 43.8% |
| Sacaton, AZ | 2,484 | 9% | 82.3% |
| Moriches, NY | 2,485 | 40% | 17.2% |
| Nixon, TX | 2,487 | 48% | 0.5% |
| Charleston, AR | 2,483 | 55% | 14.6% |
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