| Index | Sedan | 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 | Sedan | Montana | National |
| Completed 8th grade | 100.0% | 89.4% | 84.3% |
| Completed high school | 100.0% | 88.2% | 83.0% |
| Completed some college | 72.7% | 63.1% | 59.4% |
| Completed associate degree | 47.7% | 38.6% | 38.5% |
| Completed bachelors | 29.5% | 29.9% | 30.3% |
| Completed masters | 20.5% | 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 Sedan. Using the proficiency score averages, the average test scores for Sedan, MT schools is n/a. The average student to teacher ratio is n/a. In Sedan, MT, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Wilsall, MT | 232 | 62% | 29.2% |
| Belgrade, MT | 9,499 | 56% | 16.8% |
| Clyde Park, MT | 257 | 55% | 14.6% |
| Sedan, MT | 57 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Wood, SD | 57 | 50% | 4.2% |
| Shageluk, AK | 57 | 50% | 4.2% |
| Thornburg, IA | 57 | 62% | 28.1% |
| Utica, SD | 58 | 50% | 4.2% |
| Catlett, VA | 56 | 70% | 44.8% |
| Sedan, MT | 57 | n/a |