| Index | Islandton | South Carolina | National |
| Average Test Scores | n/a | 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 | Islandton | South Carolina | National |
| Completed 8th grade | 90.7% | 83.0% | 84.3% |
| Completed high school | 90.7% | 81.6% | 83.0% |
| Completed some college | 50.0% | 56.6% | 59.4% |
| Completed associate degree | 27.8% | 35.6% | 38.5% |
| Completed bachelors | 27.8% | 26.5% | 30.3% |
| Completed masters | 0.0% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Islandton. Using the proficiency score averages, the average test scores for Islandton, SC schools is n/a. The average student to teacher ratio is n/a. In Islandton, SC, an average of 90.7% of students have completed 8th grade and an average of 90.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Varnville, SC | 1,896 | 50% | 4.2% |
| Brunson, SC | 500 | 50% | 3.1% |
| Hampton, SC | 3,199 | 41% | 14.1% |
| Yemassee, SC | 890 | 22% | 54.2% |
| Islandton, SC | 51 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Idalia, CO | 51 | 44% | 7.8% |
| Johnsonville, IL | 51 | 50% | 4.2% |
| Nathalie, VA | 52 | 77% | 60.4% |
| Curlew, WA | 52 | 37% | 22.9% |
| Tonopah, AZ | 52 | 37% | 22.4% |
| Islandton, SC | 51 | n/a |
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