| Index | Cottage Grove | Wisconsin | National |
| Average Test Scores | 53% | 41% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 2 | 1,869 | 79,221 |
| Total private schools | 1 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Cottage Grove | Wisconsin | National |
| Completed 8th grade | 91.5% | 89.0% | 84.3% |
| Completed high school | 91.5% | 87.8% | 83.0% |
| Completed some college | 73.1% | 59.7% | 59.4% |
| Completed associate degree | 54.3% | 38.7% | 38.5% |
| Completed bachelors | 42.2% | 28.4% | 30.3% |
| Completed masters | 16.3% | 9.6% | 11.5% |
| Completed professional degree | 5.2% | 2.7% | 3.3% |
| Completed doctorate | 2.4% | 1.1% | 1.3% |
There are a total of 2 public schools, 1 private schools and n/a post-secondary schools in Cottage Grove. Using the proficiency score averages, the average test scores for Cottage Grove, WI schools is 53%. The average student to teacher ratio is 15:1. In Cottage Grove, WI, an average of 91.5% of students have completed 8th grade and an average of 91.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Waunakee, WI | 13,903 | 69% | 42.7% |
| Fitchburg, WI | 30,032 | 55% | 13.5% |
| Windsor, WI | 7,340 | 54% | 12.5% |
| Oregon, WI | 10,513 | 54% | 11.5% |
| Monona, WI | 8,141 | 50% | 4.9% |
| Cottage Grove, WI | 7,086 | 53% | 9.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Huron, CA | 7,084 | 28% | 41.3% |
| Rockville, CT | 7,084 | 56% | 16.1% |
| Glenolden, PA | 7,094 | 44% | 9.0% |
| Roosevelt, UT | 7,077 | 35% | 27.8% |
| Fort Myers Beach, FL | 7,102 | 65% | 35.4% |
| Cottage Grove, WI | 7,086 | 53% | 9.4% |
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