| Index | St. Marys | West Virginia | National |
| Average Test Scores | n/a | n/a | 48% |
| Student/Teacher ratio | 14:1 | 15:1 | 16:1 |
| Total public schools | 3 | 509 | 79,221 |
| Total private schools | 1 | 115 | 24,874 |
| Total post-secondary schools | n/a | 78 | 7,963 |
| Index | St. Marys | West Virginia | National |
| Completed 8th grade | 88.0% | 80.9% | 84.3% |
| Completed high school | 87.2% | 78.6% | 83.0% |
| Completed some college | 46.4% | 44.9% | 59.4% |
| Completed associate degree | 29.8% | 26.3% | 38.5% |
| Completed bachelors | 18.0% | 19.6% | 30.3% |
| Completed masters | 6.2% | 7.7% | 11.5% |
| Completed professional degree | 0.4% | 2.1% | 3.3% |
| Completed doctorate | 0.4% | 0.8% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in St. Marys. Using the proficiency score averages, the average test scores for St. Marys, WV schools is n/a. The average student to teacher ratio is 14:1. In St. Marys, WV, an average of 88.0% of students have completed 8th grade and an average of 87.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lower Salem, OH | 126 | 77% | 60.4% |
| Newport, OH | 1,310 | 77% | 60.4% |
| Marietta, OH | 13,551 | 62% | 29.8% |
| Matamoras, OH | 1,045 | 57% | 18.8% |
| St. Marys, WV | 2,050 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Belford, NJ | 2,049 | 60% | 24.0% |
| Warroad, MN | 2,051 | 57% | 18.8% |
| Lexington, IL | 2,049 | 36% | 24.3% |
| Grandview, TX | 2,051 | 64% | 33.7% |
| Honey Brook, PA | 2,051 | 70% | 44.8% |
| St. Marys, WV | 2,050 | n/a |
Here are the best places to live in West Virginia
Most Dangerous Cities In The US
Check out the 10 most dangerous cities in West Virginia
These are the largest cities in West Virginia