| Index | Big Arm | 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 | Big Arm | Montana | National |
| Completed 8th grade | 83.5% | 89.4% | 84.3% |
| Completed high school | 77.9% | 88.2% | 83.0% |
| Completed some college | 57.0% | 63.1% | 59.4% |
| Completed associate degree | 30.5% | 38.6% | 38.5% |
| Completed bachelors | 30.5% | 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 Big Arm. Using the proficiency score averages, the average test scores for Big Arm, MT schools is n/a. The average student to teacher ratio is n/a. In Big Arm, MT, an average of 83.5% of students have completed 8th grade and an average of 77.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dayton, MT | 111 | 45% | 6.3% |
| Polson, MT | 5,033 | 35% | 27.1% |
| Pablo, MT | 2,032 | 30% | 38.0% |
| Big Arm, MT | 89 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Chuathbaluk, AK | 89 | 50% | 4.2% |
| Powhattan, KS | 89 | 20% | 58.3% |
| Lund, NV | 89 | 25% | 48.4% |
| Costilla, NM | 89 | 40% | 16.7% |
| Antimony, UT | 89 | 50% | 4.2% |
| Big Arm, MT | 89 | n/a |
Here are the best places to live in Montana
These are the 10 cheapest cities in Montana
See the best places to live in Big Arm
Check out the 10 most dangerous cities in Montana