District, Portland Days Creek School District (Douglas County School District 15) Dayton School District Dayville School District Diamond School District Double O School District, Hines Drewsey School District Dufur School District E Eagle Point School District Echo School District Elgin School District Elkton School District Enterprise School District Estacada School District Eugene School District F Falls City School District Fern Ridge School District, Elmira Forest Grove School District Fossil School District Frenchglen School District G Gaston School District Gervais School District Gladstone School District Glendale School District Glide School District Grants Pass School District Greater Albany Public School District Gresham-Barlow School District H Harney County School District 3, Burns Harney County School District 4 (Crane Elementary School District), Crane Harney County Union High School District (Crane Union High School District), Crane Harper School District Harrisburg School District Helix School District Hermiston School District Hillsboro School District Hood River County School District, Hood River Huntington School District I Imbler School District Ione School District J Jefferson County School District, Madras Jewell School District John Day School District (Grant County School District), Canyon City Jordan Valley School District Joseph School District Junction City School District Juntura School District K Klamath County School District Klamath Falls City Schools Knappa School District L La Grande School District Lake County School District (Lakeview School District) Lake Oswego School District Lebanon Community Schools Lincoln County School District, Newport Long Creek School District Lowell School District M Mapleton School District Marcola School District McDermitt Elementary School District (Students attend McDermitt Combined School, K-12, in McDermitt, Nevada and Oregon, operated by the Humboldt County School District) McKenzie School District, Finn Rock McMinnville School District Medford School District Milton-Freewater Unified School District Mitchell School District Molalla River School District Monroe School District Monument School District Morrow School District, Lexington Mt. Angel School District Myrtle Point School District N Neah-Kah-Nie School District, Rockaway Beach Nestucca Valley School District, Hebo Newberg School District North Bend School District North Clackamas School District, Milwaukie North Douglas School District, Drain North Lake School District, Silver Lake North Marion School District, Aurora North Powder School District North Santiam School District, Stayton North Wasco County School District (formerly The Dalles and Chenowith school districts) Nyssa School District O Oakland School District Oakridge School District Ontario School District Oregon City School District Oregon Trail School District, Sandy P Paisley School District Parkrose School District, Portland Pendleton School