| Index | Dennison | 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 | Dennison | Minnesota | National |
| Completed 8th grade | 83.3% | 90.5% | 84.3% |
| Completed high school | 82.4% | 89.5% | 83.0% |
| Completed some college | 58.3% | 66.9% | 59.4% |
| Completed associate degree | 33.3% | 45.2% | 38.5% |
| Completed bachelors | 22.2% | 34.2% | 30.3% |
| Completed masters | 12.0% | 11.5% | 11.5% |
| Completed professional degree | 1.9% | 3.5% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Dennison. Using the proficiency score averages, the average test scores for Dennison, MN schools is n/a. The average student to teacher ratio is n/a. In Dennison, MN, an average of 83.3% of students have completed 8th grade and an average of 82.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Northfield, MN | 20,399 | 67% | 39.9% |
| Cannon Falls, MN | 4,053 | 62% | 28.6% |
| Wanamingo, MN | 1,117 | 57% | 18.8% |
| Nerstrand, MN | 306 | 55% | 13.5% |
| Randolph, MN | 481 | 49% | 1.0% |
| Dennison, MN | 213 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Galway, NY | 213 | 57% | 19.3% |
| Nanwalek, AK | 213 | 10% | 79.2% |
| Westside, CA | 213 | 17% | 64.6% |
| Sweet Water, AL | 213 | 66% | 36.5% |
| Flasher, ND | 213 | 56% | 16.7% |
| Dennison, MN | 213 | n/a |
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