| Index | St. Marie | Montana | National |
| Average Test Scores | n/a | 45% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 408 | 79,221 |
| Total private schools | n/a | 77 | 24,874 |
| Total post-secondary schools | n/a | 32 | 7,963 |
| Index | St. Marie | Montana | National |
| Completed 8th grade | 79.5% | 89.4% | 84.3% |
| Completed high school | 78.7% | 88.2% | 83.0% |
| Completed some college | 43.7% | 63.1% | 59.4% |
| Completed associate degree | 25.3% | 38.6% | 38.5% |
| Completed bachelors | 10.2% | 29.9% | 30.3% |
| Completed masters | 2.7% | 9.8% | 11.5% |
| Completed professional degree | 2.7% | 3.0% | 3.3% |
| Completed doctorate | 2.7% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in St. Marie. Using the proficiency score averages, the average test scores for St. Marie, MT schools is n/a. The average student to teacher ratio is n/a. In St. Marie, MT, an average of 79.5% of students have completed 8th grade and an average of 78.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Glasgow, MT | 3,332 | 37% | 23.3% |
| St. Marie, MT | 325 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Oldtown, ID | 325 | 50% | 3.1% |
| Inchelium, WA | 325 | 33% | 30.6% |
| Sebastopol, MS | 325 | 54% | 12.5% |
| Stapleton, NE | 325 | 70% | 45.8% |
| Manvel, ND | 325 | 70% | 44.8% |
| St. Marie, MT | 325 | n/a |
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