| Index | Alder | Montana | National |
| Average Test Scores | 50% | 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 | Alder | Montana | National |
| Completed 8th grade | 98.3% | 89.4% | 84.3% |
| Completed high school | 98.3% | 88.2% | 83.0% |
| Completed some college | 62.1% | 63.1% | 59.4% |
| Completed associate degree | 20.7% | 38.6% | 38.5% |
| Completed bachelors | 20.7% | 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 Alder. Using the proficiency score averages, the average test scores for Alder, MT schools is 50%. The average student to teacher ratio is n/a. In Alder, MT, an average of 98.3% of students have completed 8th grade and an average of 98.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sheridan, MT | 869 | 57% | 18.1% |
| Alder, MT | 93 | 50% | 4.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Diomede, AK | 93 | 50% | 4.2% |
| Robbins, TN | 93 | 35% | 28.1% |
| Garden City, SD | 93 | 20% | 58.3% |
| Boon, MI | 93 | 47% | 2.1% |
| Palmyra, VA | 92 | 81% | 68.2% |
| Alder, MT | 93 | 50% | 4.2% |
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