| Index | Shelby | Montana | National |
| Average Test Scores | 39% | 45% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 5 | 408 | 79,221 |
| Total private schools | n/a | 77 | 24,874 |
| Total post-secondary schools | n/a | 32 | 7,963 |
| Index | Shelby | Montana | National |
| Completed 8th grade | 75.8% | 89.4% | 84.3% |
| Completed high school | 72.6% | 88.2% | 83.0% |
| Completed some college | 44.6% | 63.1% | 59.4% |
| Completed associate degree | 20.5% | 38.6% | 38.5% |
| Completed bachelors | 14.3% | 29.9% | 30.3% |
| Completed masters | 4.0% | 9.8% | 11.5% |
| Completed professional degree | 2.4% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 5 public schools, n/a private schools and n/a post-secondary schools in Shelby. Using the proficiency score averages, the average test scores for Shelby, MT schools is 39%. The average student to teacher ratio is 14:1. In Shelby, MT, an average of 75.8% of students have completed 8th grade and an average of 72.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shelby, MT | 2,875 | 39% | 19.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Homer, LA | 2,875 | 39% | 19.1% |
| Gowanda, NY | 2,876 | 57% | 18.4% |
| Harrisburg, AR | 2,874 | 41% | 15.4% |
| Syracuse, IN | 2,874 | 43% | 10.1% |
| Brandenburg, KY | 2,874 | 60% | 25.0% |
| Shelby, MT | 2,875 | 39% | 19.5% |
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