| 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 |


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| 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 | 9,615 | 64% | 33.7% |
| Branch, AR | 403 | 61% | 26.6% |
| Lavaca, AR | 2,508 | 50% | 4.2% |
| Barling, AR | 5,089 | 50% | 3.1% |
| Alma, AR | 6,029 | 46% | 3.5% |
| Charleston, AR | 2,544 | 55% | 14.6% |
| City | Population | Avg. Test Scores | National Avg. |
| St. Hedwig, TX | 2,544 | 31% | 36.5% |
| Spring Lake, MI | 2,544 | 69% | 43.3% |
| Charlevoix, MI | 2,544 | 40% | 17.7% |
| York, AL | 2,544 | 18% | 62.0% |
| Canton, MO | 2,545 | 40% | 17.7% |
| Charleston, AR | 2,544 | 55% | 14.6% |