| Index | Garrison | North Dakota | National |
| Average Test Scores | 35% | 44% | 48% |
| Student/Teacher ratio | 12:1 | 12:1 | 16:1 |
| Total public schools | 2 | 272 | 79,221 |
| Total private schools | n/a | 47 | 24,874 |
| Total post-secondary schools | n/a | 30 | 7,963 |
| Index | Garrison | North Dakota | National |
| Completed 8th grade | 90.3% | 90.7% | 84.3% |
| Completed high school | 84.9% | 88.3% | 83.0% |
| Completed some college | 44.0% | 64.6% | 59.4% |
| Completed associate degree | 25.0% | 41.6% | 38.5% |
| Completed bachelors | 15.5% | 28.2% | 30.3% |
| Completed masters | 1.8% | 7.7% | 11.5% |
| Completed professional degree | 0.7% | 2.4% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 2 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, ND schools is 35%. The average student to teacher ratio is 12:1. In Garrison, ND, an average of 90.3% of students have completed 8th grade and an average of 84.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Underwood, ND | 768 | 54% | 11.5% |
| Max, ND | 297 | 33% | 32.3% |
| Garrison, ND | 1,708 | 35% | 28.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Santa Clara, NM | 1,708 | 27% | 43.8% |
| Mancelona, MI | 1,708 | 39% | 19.3% |
| Delavan, IL | 1,708 | 34% | 29.2% |
| Ripley, OH | 1,707 | 51% | 5.7% |
| Shortsville, NY | 1,709 | 58% | 19.8% |
| Garrison, ND | 1,708 | 35% | 28.1% |
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