| Index | Edgar | 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 | Edgar | Montana | National |
| Completed 8th grade | 83.7% | 89.4% | 84.3% |
| Completed high school | 70.4% | 88.2% | 83.0% |
| Completed some college | 32.7% | 63.1% | 59.4% |
| Completed associate degree | 23.5% | 38.6% | 38.5% |
| Completed bachelors | 6.1% | 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 Edgar. Using the proficiency score averages, the average test scores for Edgar, MT schools is n/a. The average student to teacher ratio is n/a. In Edgar, MT, an average of 83.7% of students have completed 8th grade and an average of 70.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bridger, MT | 917 | 48% | 0.7% |
| Joliet, MT | 633 | 40% | 17.0% |
| Park City, MT | 1,090 | 34% | 29.2% |
| Fromberg, MT | 395 | 33% | 30.6% |
| Laurel, MT | 6,797 | 30% | 37.5% |
| Edgar, MT | 148 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Clearmont, WY | 148 | 65% | 35.4% |
| Billingsley, AL | 148 | 41% | 14.6% |
| Lenhartsville, PA | 148 | 60% | 24.0% |
| Norris, SD | 148 | 20% | 58.3% |
| Allen, KY | 148 | 48% | 1.0% |
| Edgar, MT | 148 | n/a |
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