| Index | Hilton Head Island | South Carolina | National |
| Average Test Scores | 57% | 47% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 932 | 79,221 |
| Total private schools | 4 | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Hilton Head Island | South Carolina | National |
| Completed 8th grade | 92.1% | 83.0% | 84.3% |
| Completed high school | 91.3% | 81.6% | 83.0% |
| Completed some college | 75.9% | 56.6% | 59.4% |
| Completed associate degree | 57.8% | 35.6% | 38.5% |
| Completed bachelors | 51.2% | 26.5% | 30.3% |
| Completed masters | 19.9% | 9.6% | 11.5% |
| Completed professional degree | 6.8% | 2.5% | 3.3% |
| Completed doctorate | 2.7% | 1.1% | 1.3% |
There are a total of n/a public schools, 4 private schools and n/a post-secondary schools in Hilton Head Island. Using the proficiency score averages, the average test scores for Hilton Head Island, SC schools is 57%. The average student to teacher ratio is n/a. In Hilton Head Island, SC, an average of 92.1% of students have completed 8th grade and an average of 91.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bluffton, SC | 23,176 | 59% | 22.6% |
| Tybee Island, GA | 3,094 | 57% | 18.8% |
| Port Royal, SC | 13,265 | 42% | 12.5% |
| Hilton Head Island, SC | 40,000 | 57% | 18.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Hagerstown, MD | 40,027 | 44% | 8.8% |
| Montclair, CA | 40,041 | 45% | 6.1% |
| Spanish Fork, UT | 40,069 | 45% | 6.5% |
| Streamwood, IL | 39,917 | 26% | 46.6% |
| Marion, IA | 39,910 | 77% | 59.8% |
| Hilton Head Island, SC | 40,000 | 57% | 18.2% |
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