| Index | McClellanville | South Carolina | National |
| Average Test Scores | 40% | 47% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 932 | 79,221 |
| Total private schools | n/a | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | McClellanville | South Carolina | National |
| Completed 8th grade | 97.9% | 83.0% | 84.3% |
| Completed high school | 97.4% | 81.6% | 83.0% |
| Completed some college | 77.0% | 56.6% | 59.4% |
| Completed associate degree | 61.4% | 35.6% | 38.5% |
| Completed bachelors | 50.8% | 26.5% | 30.3% |
| Completed masters | 17.7% | 9.6% | 11.5% |
| Completed professional degree | 7.1% | 2.5% | 3.3% |
| Completed doctorate | 4.5% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in McClellanville. Using the proficiency score averages, the average test scores for McClellanville, SC schools is 40%. The average student to teacher ratio is n/a. In McClellanville, SC, an average of 97.9% of students have completed 8th grade and an average of 97.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McClellanville, SC | 613 | 40% | 17.7% |
| City | Population | Avg. Test Scores | National Avg. |
| St. Edward, NE | 613 | 38% | 21.9% |
| Elmwood, WI | 613 | 48% | 0.3% |
| Pinehurst, GA | 613 | 16% | 66.1% |
| Shickshinny, PA | 614 | 49% | 1.6% |
| La Crosse, VA | 614 | 80% | 65.6% |
| McClellanville, SC | 613 | 40% | 17.7% |
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