| Index | Ennis | Montana | National |
| Average Test Scores | 51% | 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 | Ennis | Montana | National |
| Completed 8th grade | 85.7% | 89.4% | 84.3% |
| Completed high school | 84.5% | 88.2% | 83.0% |
| Completed some college | 59.3% | 63.1% | 59.4% |
| Completed associate degree | 33.8% | 38.6% | 38.5% |
| Completed bachelors | 12.4% | 29.9% | 30.3% |
| Completed masters | 3.0% | 9.8% | 11.5% |
| Completed professional degree | 0.4% | 3.0% | 3.3% |
| Completed doctorate | 0.4% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Ennis. Using the proficiency score averages, the average test scores for Ennis, MT schools is 51%. The average student to teacher ratio is n/a. In Ennis, MT, an average of 85.7% of students have completed 8th grade and an average of 84.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ennis, MT | 749 | 51% | 6.9% |
| City | Population | Avg. Test Scores | National Avg. |
| North Middletown, KY | 749 | 47% | 2.1% |
| Cashiers, NC | 749 | 39% | 19.4% |
| Rushville, NY | 749 | 66% | 37.5% |
| Olustee, OK | 749 | 37% | 22.4% |
| Lake City, MI | 749 | 40% | 17.4% |
| Ennis, MT | 749 | 51% | 6.9% |