| Index | Cottonwood | California | National |
| Average Test Scores | 46% | 43% | 48% |
| Student/Teacher ratio | 19:1 | 20:1 | 16:1 |
| Total public schools | 6 | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |

| Index | Cottonwood | California | National |
| Completed 8th grade | 75.8% | 81.1% | 84.3% |
| Completed high school | 75.8% | 79.8% | 83.0% |
| Completed some college | 51.3% | 61.5% | 59.4% |
| Completed associate degree | 16.7% | 39.8% | 38.5% |
| Completed bachelors | 10.1% | 32.0% | 30.3% |
| Completed masters | 2.9% | 11.9% | 11.5% |
| Completed professional degree | 1.0% | 3.9% | 3.3% |
| Completed doctorate | 1.0% | 1.6% | 1.3% |
There are a total of 6 public schools, n/a private schools and n/a post-secondary schools in Cottonwood. Using the proficiency score averages, the average test scores for Cottonwood, CA schools is 46%. The average student to teacher ratio is 19:1. In Cottonwood, CA, an average of 75.8% of students have completed 8th grade and an average of 75.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Millville, CA | 908 | 72% | 50.0% |
| Palo Cedro, CA | 2,991 | 56% | 16.1% |
| Shasta, CA | 1,674 | 45% | 7.3% |
| Redding, CA | 95,276 | 39% | 18.6% |
| Anderson, CA | 10,734 | 37% | 22.8% |
| Cottonwood, CA | 5,564 | 46% | 3.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Chelsea, MI | 5,563 | 65% | 36.1% |
| St. Paul Park, MN | 5,562 | 49% | 2.6% |
| Cottleville, MO | 5,566 | 69% | 43.1% |
| Pinckneyville, IL | 5,559 | 36% | 25.3% |
| Union Beach, NJ | 5,559 | 52% | 7.3% |
| Cottonwood, CA | 5,564 | 46% | 3.5% |