| Index | Charleston | South Carolina | National |
| Average Test Scores | 48% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 16:1 | 16:1 |
| Total public schools | 38 | 932 | 79,221 |
| Total private schools | 26 | 369 | 24,874 |
| Total post-secondary schools | 11 | 96 | 7,963 |
| Index | Charleston | South Carolina | National |
| Completed 8th grade | 92.7% | 83.0% | 84.3% |
| Completed high school | 92.2% | 81.6% | 83.0% |
| Completed some college | 76.7% | 56.6% | 59.4% |
| Completed associate degree | 58.2% | 35.6% | 38.5% |
| Completed bachelors | 50.2% | 26.5% | 30.3% |
| Completed masters | 18.8% | 9.6% | 11.5% |
| Completed professional degree | 6.9% | 2.5% | 3.3% |
| Completed doctorate | 2.3% | 1.1% | 1.3% |
There are a total of 38 public schools, 26 private schools and 11 post-secondary schools in Charleston. Using the proficiency score averages, the average test scores for Charleston, SC schools is 48%. The average student to teacher ratio is 14:1. In Charleston, SC, an average of 92.7% of students have completed 8th grade and an average of 92.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mount Pleasant, SC | 89,410 | 78% | 62.2% |
| Sullivan's Island, SC | 2,177 | 76% | 57.3% |
| Hanahan, SC | 25,743 | 58% | 20.8% |
| Goose Creek, SC | 42,944 | 48% | 0.2% |
| North Charleston, SC | 113,880 | 37% | 23.8% |
| Charleston, SC | 137,041 | 48% | 0.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Carrollton, TX | 137,319 | 54% | 12.5% |
| Waco, TX | 137,779 | 38% | 21.1% |
| West Valley City, UT | 135,610 | 27% | 44.4% |
| Metairie, LA | 138,511 | 69% | 43.4% |
| Roseville, CA | 138,860 | 56% | 17.1% |
| Charleston, SC | 137,041 | 48% | 0.6% |
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