Schools
| School Name | Level | District |
|---|---|---|
| Clackamas High School | High School | District 13 |
| Clackamas Middle School | Middle School | District 13 |
| Clackamas River Elementary | Elementary School | District 13 |
| Clackamas Web Academy | Elementary School, High School, Middle School | District 13 |
| Claggett Creek Middle School | Middle School | District 4 |
| Clara Brownell Middle | Middle School | District 6 |
| Clarendon-Portsmouth | Elementary School, Middle School | District 1 |
| Clarkes Elementary | Elementary School | District 13 |
| Class Academy | Elementary School, Middle School, Preschool | District 15 |
| Clatskanie Elementary | Elementary School | District 3 |
| Clatskanie Middle School/High School | High School, Middle School | District 3 |
| Clatsop Community College | College | District 3 |
| Clear Creek Middle School | Middle School | District 2 |
| Clear Lake Elementary – Eugene | Elementary School | District 12 |
| Clear Lake Elementary – Keizer | Elementary School | District 4 |
| Clemens Primary | Elementary School | District 11 |
| Cleveland High | High School | District 1 |
| Clover Ridge Elementary | Elementary School | District 11 |
| Cloverdale Elementary | Elementary School | District 11 |
| CM2 Opal School | Elementary School, Preschool | District 1 |