| Index | Simms | Montana | National |
| Average Test Scores | 35% | 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 | Simms | Montana | National |
| Completed 8th grade | 90.2% | 89.4% | 84.3% |
| Completed high school | 90.2% | 88.2% | 83.0% |
| Completed some college | 43.7% | 63.1% | 59.4% |
| Completed associate degree | 20.7% | 38.6% | 38.5% |
| Completed bachelors | 10.2% | 29.9% | 30.3% |
| Completed masters | 0.0% | 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 Simms. Using the proficiency score averages, the average test scores for Simms, MT schools is 35%. The average student to teacher ratio is n/a. In Simms, MT, an average of 90.2% of students have completed 8th grade and an average of 90.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fairfield, MT | 690 | 66% | 37.0% |
| Sun River, MT | 41 | 50% | 4.2% |
| Fort Shaw, MT | 138 | 45% | 6.3% |
| Simms, MT | 338 | 35% | 27.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Hillsboro, TN | 338 | 45% | 7.3% |
| Northway, AK | 338 | 10% | 79.2% |
| Tununak, AK | 338 | 7% | 86.5% |
| Randlett, OK | 338 | 39% | 19.8% |
| Winkelman, AZ | 338 | 32% | 34.4% |
| Simms, MT | 338 | 35% | 27.1% |
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