| Index | Cottage Grove | Oregon | National |
| Average Test Scores | 43% | 46% | 48% |
| Student/Teacher ratio | 20:1 | 20:1 | 16:1 |
| Total public schools | 8 | 1,097 | 79,221 |
| Total private schools | 3 | 361 | 24,874 |
| Total post-secondary schools | n/a | 89 | 7,963 |
| Index | Cottage Grove | Oregon | National |
| Completed 8th grade | 81.1% | 86.3% | 84.3% |
| Completed high school | 78.9% | 85.4% | 83.0% |
| Completed some college | 52.7% | 66.1% | 59.4% |
| Completed associate degree | 23.5% | 39.9% | 38.5% |
| Completed bachelors | 12.8% | 31.4% | 30.3% |
| Completed masters | 4.7% | 11.9% | 11.5% |
| Completed professional degree | 1.3% | 3.6% | 3.3% |
| Completed doctorate | 0.6% | 1.5% | 1.3% |
There are a total of 8 public schools, 3 private schools and n/a post-secondary schools in Cottage Grove. Using the proficiency score averages, the average test scores for Cottage Grove, OR schools is 43%. The average student to teacher ratio is 20:1. In Cottage Grove, OR, an average of 81.1% of students have completed 8th grade and an average of 78.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Drain, OR | 955 | 57% | 19.3% |
| Creswell, OR | 5,445 | 47% | 2.1% |
| Lowell, OR | 1,027 | 40% | 16.4% |
| Yoncalla, OR | 1,166 | 39% | 19.8% |
| Cottage Grove, OR | 10,302 | 43% | 11.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Melvindale, MI | 10,300 | 22% | 54.2% |
| Bluffton, IN | 10,298 | 53% | 10.4% |
| Amelia, OH | 10,308 | 69% | 43.2% |
| Nanticoke, PA | 10,296 | 38% | 21.5% |
| Bonham, TX | 10,295 | 40% | 17.4% |
| Cottage Grove, OR | 10,302 | 43% | 11.2% |
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