| Index | Grass Range | Montana | National |
| Average Test Scores | 55% | 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 | Grass Range | Montana | National |
| Completed 8th grade | 90.8% | 89.4% | 84.3% |
| Completed high school | 89.8% | 88.2% | 83.0% |
| Completed some college | 39.8% | 63.1% | 59.4% |
| Completed associate degree | 15.3% | 38.6% | 38.5% |
| Completed bachelors | 12.2% | 29.9% | 30.3% |
| Completed masters | 1.0% | 9.8% | 11.5% |
| Completed professional degree | 0.0% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Grass Range. Using the proficiency score averages, the average test scores for Grass Range, MT schools is 55%. The average student to teacher ratio is n/a. In Grass Range, MT, an average of 90.8% of students have completed 8th grade and an average of 89.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Grass Range, MT | 121 | 55% | 14.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Elizabeth, IN | 121 | 51% | 6.3% |
| O'Brien, TX | 121 | 42% | 12.5% |
| Tar Heel, NC | 122 | 27% | 44.3% |
| Roy, MT | 120 | 50% | 4.2% |
| Perrin, TX | 122 | 37% | 22.9% |
| Grass Range, MT | 121 | 55% | 14.6% |
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