| Index | St. George Island | Maryland | National |
| Average Test Scores | n/a | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,163 | 79,221 |
| Total private schools | n/a | 674 | 24,874 |
| Total post-secondary schools | n/a | 112 | 7,963 |
| Index | St. George Island | Maryland | National |
| Completed 8th grade | 55.5% | 87.5% | 84.3% |
| Completed high school | 55.5% | 86.5% | 83.0% |
| Completed some college | 49.0% | 64.2% | 59.4% |
| Completed associate degree | 49.0% | 44.8% | 38.5% |
| Completed bachelors | 29.0% | 38.4% | 30.3% |
| Completed masters | 6.5% | 17.7% | 11.5% |
| Completed professional degree | 0.0% | 5.5% | 3.3% |
| Completed doctorate | 0.0% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in St. George Island. Using the proficiency score averages, the average test scores for St. George Island, MD schools is n/a. The average student to teacher ratio is n/a. In St. George Island, MD, an average of 55.5% of students have completed 8th grade and an average of 55.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Heathsville, VA | 239 | 81% | 67.7% |
| Leonardtown, MD | 3,795 | 60% | 24.0% |
| Tall Timbers, MD | 570 | 50% | 4.2% |
| California, MD | 14,730 | 49% | 2.1% |
| Lexington Park, MD | 12,934 | 46% | 3.5% |
| St. George Island, MD | 426 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Castleberry, AL | 426 | 25% | 49.0% |
| Gaines, MI | 426 | 40% | 17.7% |
| Nelson, NE | 426 | 58% | 19.8% |
| Ludlow, IL | 426 | 30% | 37.5% |
| Creedmoor, TX | 426 | 29% | 40.6% |
| St. George Island, MD | 426 | n/a |
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