| 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 | 9,693 | 81% | 68.2% |
| Excelsior, MN | 2,486 | 80% | 67.4% |
| Wayzata, MN | 4,745 | 80% | 65.6% |
| Long Lake, MN | 1,828 | 77% | 59.7% |
| Minnetrista, MN | 8,230 | 77% | 59.4% |
| Cologne, MN | 2,255 | 75% | 55.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Halstead, KS | 2,255 | 34% | 30.2% |
| New Carlisle, IN | 2,254 | 60% | 24.0% |
| New Egypt, NJ | 2,256 | 60% | 24.3% |
| Liverpool, NY | 2,256 | 47% | 1.9% |
| Kerhonkson, NY | 2,254 | 50% | 4.2% |
| Cologne, MN | 2,255 | 75% | 55.2% |
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