| Index | St. Mary's | Alaska | National |
| Average Test Scores | 17% | 37% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 285 | 79,221 |
| Total private schools | n/a | 55 | 24,874 |
| Total post-secondary schools | n/a | 11 | 7,963 |
| Index | St. Mary's | Alaska | National |
| Completed 8th grade | 80.2% | 88.0% | 84.3% |
| Completed high school | 77.4% | 87.2% | 83.0% |
| Completed some college | 35.4% | 64.6% | 59.4% |
| Completed associate degree | 7.6% | 37.1% | 38.5% |
| Completed bachelors | 3.8% | 28.8% | 30.3% |
| Completed masters | 0.0% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.9% | 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 St. Mary's. Using the proficiency score averages, the average test scores for St. Mary's, AK schools is 17%. The average student to teacher ratio is n/a. In St. Mary's, AK, an average of 80.2% of students have completed 8th grade and an average of 77.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Pilot Station, AK | 421 | 5% | 89.6% |
| St. Mary's, AK | 660 | 17% | 64.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Point Hope, AK | 660 | 7% | 86.5% |
| Blair, OK | 660 | 24% | 51.0% |
| Circleville, UT | 660 | 50% | 4.2% |
| Perdido, AL | 660 | 56% | 16.7% |
| Webster, WI | 660 | 36% | 25.3% |
| St. Mary's, AK | 660 | 17% | 64.6% |
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