| Index | Cologne | Minnesota | National |
| Average Test Scores | 75% | 52% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,224 | 79,221 |
| Total private schools | 2 | 477 | 24,874 |
| Total post-secondary schools | n/a | 140 | 7,963 |
| Index | Cologne | Minnesota | National |
| Completed 8th grade | 93.4% | 90.5% | 84.3% |
| Completed high school | 92.4% | 89.5% | 83.0% |
| Completed some college | 70.9% | 66.9% | 59.4% |
| Completed associate degree | 44.0% | 45.2% | 38.5% |
| Completed bachelors | 30.4% | 34.2% | 30.3% |
| Completed masters | 8.0% | 11.5% | 11.5% |
| Completed professional degree | 1.6% | 3.5% | 3.3% |
| Completed doctorate | 0.5% | 1.4% | 1.3% |
There are a total of n/a public schools, 2 private schools and n/a post-secondary schools in Cologne. Using the proficiency score averages, the average test scores for Cologne, MN schools is 75%. The average student to teacher ratio is n/a. In Cologne, MN, an average of 93.4% of students have completed 8th grade and an average of 92.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mound, MN | 9,498 | 81% | 68.2% |
| Excelsior, MN | 2,414 | 80% | 67.4% |
| Wayzata, MN | 4,591 | 80% | 65.6% |
| Long Lake, MN | 1,779 | 77% | 59.7% |
| Minnetrista, MN | 7,989 | 77% | 59.4% |
| Cologne, MN | 2,199 | 75% | 55.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Aliceville, AL | 2,199 | 21% | 55.9% |
| Alamo, TN | 2,199 | 40% | 16.7% |
| Purvis, MS | 2,198 | 49% | 2.1% |
| Colorado City, CO | 2,200 | 32% | 33.3% |
| Kerhonkson, NY | 2,200 | 50% | 4.2% |
| Cologne, MN | 2,199 | 75% | 55.2% |
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