| Index | Elmo | 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 | Elmo | Montana | National |
| Completed 8th grade | 81.4% | 89.4% | 84.3% |
| Completed high school | 81.4% | 88.2% | 83.0% |
| Completed some college | 64.8% | 63.1% | 59.4% |
| Completed associate degree | 44.1% | 38.6% | 38.5% |
| Completed bachelors | 29.7% | 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 Elmo. Using the proficiency score averages, the average test scores for Elmo, MT schools is n/a. The average student to teacher ratio is n/a. In Elmo, MT, an average of 81.4% of students have completed 8th grade and an average of 81.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lakeside, MT | 2,315 | 60% | 24.0% |
| Dayton, MT | 114 | 45% | 6.3% |
| Polson, MT | 5,165 | 35% | 27.1% |
| Elmo, MT | 261 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Ovid, CO | 261 | 50% | 4.2% |
| Lava Hot Springs, ID | 261 | 75% | 56.3% |
| Hunter, ND | 261 | 43% | 10.4% |
| Pine Village, IN | 261 | 55% | 13.5% |
| McIntosh, AL | 261 | 31% | 35.9% |
| Elmo, MT | 261 | n/a |