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