| 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 | 984 | 57% | 19.3% |
| Creswell, OR | 5,632 | 47% | 2.1% |
| Lowell, OR | 1,049 | 40% | 16.4% |
| Yoncalla, OR | 1,198 | 39% | 19.8% |
| Cottage Grove, OR | 10,550 | 43% | 11.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Lantana, TX | 10,556 | 64% | 33.3% |
| Keokuk, IA | 10,556 | 58% | 21.6% |
| Bonham, TX | 10,558 | 40% | 17.4% |
| Marlton, NJ | 10,542 | 54% | 12.2% |
| Independence, OR | 10,559 | 32% | 33.7% |
| Cottage Grove, OR | 10,550 | 43% | 11.2% |