| Index | Plains | Montana | National |
| Average Test Scores | 46% | 45% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 4 | 408 | 79,221 |
| Total private schools | n/a | 77 | 24,874 |
| Total post-secondary schools | n/a | 32 | 7,963 |
| Index | Plains | Montana | National |
| Completed 8th grade | 78.0% | 89.4% | 84.3% |
| Completed high school | 74.9% | 88.2% | 83.0% |
| Completed some college | 43.5% | 63.1% | 59.4% |
| Completed associate degree | 22.2% | 38.6% | 38.5% |
| Completed bachelors | 15.8% | 29.9% | 30.3% |
| Completed masters | 4.0% | 9.8% | 11.5% |
| Completed professional degree | 1.2% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Plains. Using the proficiency score averages, the average test scores for Plains, MT schools is 46%. The average student to teacher ratio is 14:1. In Plains, MT, an average of 78.0% of students have completed 8th grade and an average of 74.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| St. Regis, MT | 207 | 47% | 2.8% |
| Hot Springs, MT | 627 | 30% | 37.5% |
| Plains, MT | 1,019 | 46% | 5.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Leroy, AL | 1,019 | 39% | 18.8% |
| Cochranton, PA | 1,019 | 57% | 18.8% |
| Hebron, MD | 1,019 | 47% | 2.1% |
| New Salem, ND | 1,019 | 53% | 10.9% |
| Crawford, NE | 1,020 | 58% | 19.8% |
| Plains, MT | 1,019 | 46% | 5.2% |
Here are the best places to live in Montana
Most Dangerous States In The US
Check out the 10 safest cities in Montana
Check out the 10 most dangerous cities in Montana