| Index | Garrison | Minnesota | National |
| Average Test Scores | n/a | 52% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,224 | 79,221 |
| Total private schools | n/a | 477 | 24,874 |
| Total post-secondary schools | n/a | 140 | 7,963 |
| Index | Garrison | Minnesota | National |
| Completed 8th grade | 81.2% | 90.5% | 84.3% |
| Completed high school | 81.2% | 89.5% | 83.0% |
| Completed some college | 45.9% | 66.9% | 59.4% |
| Completed associate degree | 19.9% | 45.2% | 38.5% |
| Completed bachelors | 12.7% | 34.2% | 30.3% |
| Completed masters | 5.5% | 11.5% | 11.5% |
| Completed professional degree | 1.1% | 3.5% | 3.3% |
| Completed doctorate | 0.6% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Garrison. Using the proficiency score averages, the average test scores for Garrison, MN schools is n/a. The average student to teacher ratio is n/a. In Garrison, MN, an average of 81.2% of students have completed 8th grade and an average of 81.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Crosby, MN | 2,780 | 56% | 15.6% |
| Garrison, MN | 148 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Norris, SD | 148 | 20% | 58.3% |
| Allen, KY | 148 | 48% | 1.0% |
| Clearmont, WY | 148 | 65% | 35.4% |
| Billingsley, AL | 148 | 41% | 14.6% |
| Lenhartsville, PA | 148 | 60% | 24.0% |
| Garrison, MN | 148 | n/a |
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