| Amity High School | Nestucca High School |
| Aloha High School | Newberg High School |
| Arlington High School | Oregon City High School |
| Baker High School | Pendleton High School |
| Canby High School | Pilot Rock High School |
| Cascade Christian High School | Pleasant Hill High School |
| Central High School | Rainier Jr/Sr High School |
| Crane Union High School | Scio High School |
| Culver High School | Silverton High School |
| Douglas High School | Silvies River Charter School |
| Dufur High School | Siuslaw High School |
| Echo High School | South Medford High School |
| Estacada High School | Tigard High School |
| Heppner High School | Tillamook High School |
| Hermiston High School | Ukiah High School |
| Ione Public Charter School | Umatilla High School |
| LaGrande High School | Union High School |
| Lakeview High School | Vernonia High School |
| Logos Public Charter School | Wallowa High School |
| Madras High School | West Albany High School |
| Molalla High School | Wilsonville High School |
| Mountain View High School | Yamhill-Carlton High School |
| |
| McLoughlin High School | Ontario High School |
