Image | Name | City | District | Enrollment | Mascot/team | OSAA | Type |
| Academy for Character Education | Cottage Grove | South Lane S.D. | 18 | Eagle | - | Charter |
| Academy of Arts and Academics | Springfield | Springfield S.D. | 112 | | | Magnet |
| Adrian High School | Adrian | Adrian S.D. | 86 | Antelopes | 1A | Traditional |
| Adrienne C. Nelson High School | Happy Valley | North Clackamas S.D. | 1,382[1] | Hawks | 6A | Traditional |
| Al Kennedy Alternative High School | Cottage Grove | South Lane S.D. | 78 | Bears | - | Alternative |
| Alliance Charter Academy | Oregon City | Oregon City S.D. | 254 | | | Charter |
| Aloha High School | Aloha | Beaverton S.D. | 1,686[1] | Warriors | 6A | Traditional |
| Alsea High School | Alsea | Alsea S.D. | 65 | Wolverines | 1A | Traditional |
| Amity High School | Amity | Amity S.D. | 272[1] | Warriors | 3A | Traditional |
| Arlington High School | Arlington | Arlington S.D. | 58 | Honkers | 1A | Charter |
| Armadillo Community Charter School | Phoenix | Phoenix-Talent S.D. | 110 | Armadillos | - | Charter |
| Arts & Communication Magnet Academy | Beaverton | Beaverton S.D. | 305 | | | Magnet |
| Ashland High School | Ashland | Ashland S.D. | 924[2] | Grizzlies | 5A | Traditional |
| Astoria High School | Astoria | Astoria S.D. | 631[2] | Fishermen | 4A | Traditional |
| Baker High School | Baker City | Baker S.D. | 503[2] | Bulldogs | 4A | Traditional |
| Bandon Senior High School | Bandon | Bandon S.D. | 205[2] | Tigers | 2A | Traditional |
| Banks High School | Banks | Banks S.D. | 375[2] | Braves | 3A | Traditional |
| Beaverton High School | Beaverton | Beaverton S.D. | 1,483[2] | Beavers | 6A | Traditional |
| Bend Senior High School | Bend | Bend-La Pine S.D. | 1,330[2] | Lava Bears | 5A | Traditional |
| Benson Polytechnic High School | Portland | Portland Public Schools | 824[2] | Techmen | 6A | Technical |
| Blue Mountain Alternative High School | John Day | John Day S.D. | 32 | | | Alternative |
| Bonanza High School | Bonanza | Klamath County S.D. | 239 | Antlers | 2A | Traditional |
| Brookings-Harbor High School | Brookings | Brookings-Harbor S.D. | 448[2] | Bruins | 3A | Traditional |
| Burns High School | Burns | Harney County S.D. 3 | 219[2] | Hilanders | 3A | Traditional |
| Burnt River School | Unity | Burnt River S.D. | 47 | Bulls | 1A | Traditional |
| Butte Falls Secondary School | Butte Falls | Butte Falls S.D. | 88 | Loggers | 1A | Traditional |
| Camas Valley Charter School | Camas Valley | Camas Valley S.D. | 139 | Hornets | 1A | Charter |
| Canby High School | Canby | Canby S.D. | 1,393[2] | Cougars | 5A | Traditional |
| Caldera High School | Bend | Bend-La Pine S.D. | 939[2] | Wolfpack | 5A | Traditional |
| Cascade High School | Turner | Cascade S.D. | 764[2] | Cougars | 4A | Traditional |
| Centennial High School | Gresham | Centennial S.D. | 1,756[2] | Eagles | 5A | Traditional |
| Center for Advanced Learning | Gresham | Gresham-Barlow S.D. | 12 | | | Charter |
| Central High School | Independence | Central S.D. | 1,100[2] | Panthers | 5A | Traditional |
| Central Linn High School | Halsey | Central Linn S.D. | 286[2] | Cobras | 2A | Traditional |
| Central Medford High School | Medford | Medford S.D. | 197 | | | Alternative |
| Century High School | Hillsboro | Hillsboro S.D. | 1,551[2] | Jaguars | 6A | Traditional |
| Chemawa Indian School | Salem | Bureau of Indian Affairs | 128[3] | Braves | 2A | Boarding |
| Child's Way Charter School | Culp Creek | South Lane S.D. | 35 | | | Alternative |
| Chiloquin High School | Chiloquin | Klamath County S.D. | 232 | Panthers | 2A | Traditional |
| Clackamas High School | Clackamas | North Clackamas S.D. | 1,224[2] | Cavaliers | 6A | Traditional |
| Clackamas Middle College | Oregon City | North Clackamas S.D. | 324 | | | Charter |
| Clackamas Web Academy | Clackamas | North Clackamas S.D. | 409 | Coyotes | | Charter |
| Clatskanie High School | Clatskanie | Clatskanie S.D. | 180[4] | Tigers | 2A | Traditional |
| Cleveland High School | Portland | Portland Public Schools | 1,547[2] | Warriors | 6A | Traditional |
| College Hill High School | Corvallis | Corvallis S.D. | | | | Alternative |
| Colton High School | Colton | Colton S.D. | 152[2] | Vikings | 2A | Traditional |
| Columbia County Education Campus | St. Helens | Saint Helens S.D. | 53 | | | Alternative |
| Condon High School | Condon | Condon S.D. | 69 | Blue Devils | 1A | Traditional |
| Connections Alternative School | Eagle Point | North Eagle Point S.D. | 84 | | | Alternative |
| Coquille High School | Coquille | Coquille S.D. | 225[5] | Red Devils | 3A | Traditional |
| Corbett High School | Corbett | Corbett S.D. | 322[6] | Cardinals | 3A | Traditional |
| Corvallis High School | Corvallis | Corvallis S.D. | 1,284[2] | Spartans | 5A | Traditional |
| Cottage Grove High School | Cottage Grove | South Lane S.D. | 665[2] | Lions | 4A | Traditional |
| Cove School | Cove | Cove S.D. | 252 | Leopards | 1A | Charter |
| Crane Union High School | Crane | Harney County (Crane) Union High S.D. | 98 | Mustangs | 1A | Boarding |
| Crater High School | Central Point | Central Point S.D. | 1,453[2] | Comets | 5A | Traditional |
| Crater Lake Academy | Eagle Point | Butte Falls S.D. | | | 2A | Charter |
| Creekside Community High School | Tigard | Harney County (Crane) Union High S.D. | 98 | Mustangs | 1A | Alternative |
| Crescent Valley High School | Corvallis | Corvallis S.D. | 931[2] | Raiders | 5A | Traditional |
| Creswell High School | Creswell | Creswell S.D. | 360[2] | Bulldogs | 3A | Traditional |
| Crook County High School | Prineville | Crook County S.D. | 830<[2] | Cowboys | 4A | Traditional |
| Crow Middle/High School | Crow | Crow-Applegate-Lorane S.D. | 193 | Cougars | 2A | Traditional |
| Culver High School | Culver | Culver S.D. | 230 | Bulldogs | 2A | Traditional |
| Dallas High School | Dallas | Dallas S.D. | 836[2] | Dragons | 5A | Traditional |
| The Dalles High School | The Dalles | North Wasco County S.D. | 810[2] | Riverhawks | 4A | Traditional |
| David Douglas High School | Portland | David Douglas S.D. | 2,698[2] | Scots | 6A | Traditional |
| Days Creek Charter School | Days Creek | Days Creek S.D. | 209 | Wolves | 1A | Charter |
| Dayton High School | Dayton | Dayton S.D. | 323[2] | Pirates | 3A | Traditional |
| Dayville School | Dayville | Dayville S.D. | 56 | Tigers | 1A | Traditional |
| Destinations Academy | Coos Bay | Coos Bay Public Schools | 50 | | | Alternative |
| Douglas Avenue Alternative School | Gervais | Gervais S.D. | 16 | | | Alternative |
| Douglas High School | Winston | Winston-Dillard S.D. | 393 | Trojans | 3A | Traditional |
| Douglas McKay High School | Salem | Salem-Keizer S.D. | 2,311[2] | Scots | 5A | Traditional |
| Dufur School | Dufur | Dufur S.D. | 294 | Rangers | 1A | Traditional |
| Eagle Point High School | Eagle Point | Eagle Point S.D. | 999[2] | Eagles | 5A | Traditional |
| Early College High School | Salem | Salem-Keizer S.D. | 350 | Dragons | | |
| Echo School | Echo | Echo S.D. | 271 | Cougars | 1A | Traditional |
| Eddyville Charter School | Eddyville | Lincoln County S.D. | 231 | Eagles | 1A | Charter |
| Elgin High School | Elgin | Elgin S.D. | 165 | Huskies | 2A | Traditional |
| Elkton High School | Elkton | Elkton S.D. | 92 | Elk | 1A | Traditional |
| Elmira High School | Elmira | Fern Ridge S.D. | 483 | Falcons | 3A | Traditional |
| West Lane Technology Learning Center | Elmira | Fern Ridge S.D. | 76 | | | Charter |
| Enterprise High School | Enterprise | Enterprise S.D. | 188[2] | Outlaws | 2A | Traditional |
| Estacada Alternative High School | Estacada | Estacada S.D. | 166 | | | Alternative |
| Estacada High School | Estacada | Estacada S.D. | 539[2] | Rangers | 4A | Traditional |
| Falls City High School | Falls City | Falls City S.D. | 51[2] | Mountaineers | 1A | Traditional |
| Forest Grove High School | Forest Grove | Forest Grove S.D. | 1,977[2] | Vikings | 6A | Traditional |
| Franklin High School | Portland | Portland Public Schools | 1,966[2] | Lightning | 6A | Traditional |
| Gaston Senior High School | Gaston | Gaston S.D. | 164[7] | Greyhounds | 2A | Traditional |
| Gateways High School | Springfield | Springfield S.D. | 122 | | | Alternative |
| Gervais High School | Gervais | Gervais S.D. | 317[2] | Cougars | 2A | Traditional |
| Gilchrist Junior/Senior High School | Gilchrist | Klamath County S.D. | 111 | Grizzlies | 1A | Traditional |
| Gladstone High School | Gladstone | Gladstone S.D. | 594[2] | Gladiators | 4A | Traditional |
| Glencoe High School | Hillsboro | Hillsboro S.D. | 1,500[2] | Crimson Tide | 6A | Traditional |
| Glendale Jr/Sr High School | Glendale | Glendale S.D. | 218 | Pirates | 2A | Traditional |
| Glide High School | Glide | Glide S.D. | 199[2] | Wildcats | 3A | Traditional |
| Gold Beach High School | Gold Beach | Central Curry S.D. | 123[2] | Panthers | 2A | Traditional |
| Grant High School | Portland | Portland Public Schools | 2,156[2] | Generals | 6A | Traditional |
| Grants Pass High School | Grants Pass | Grants Pass S.D. | 1,722[2] | Cavemen | 6A | Traditional |
| Grant Union High School | John Day | John Day S.D. | 153[8] | Prospectors | 2A | Traditional |
| Gresham High School | Gresham | Gresham-Barlow S.D. | 1,666[2] | Gophers | 6A | Traditional |
| Harper K-12 School | Harper | Harper S.D. | 92 | Hornets | 1A | Traditional |
| Harrisburg High School | Harrisburg | Harrisburg S.D. | 250[2] | Eagles | 3A | Traditional |
| Helensview School | Portland | Multnomah Education Service District | | | | Alternative |
| Helix School | Helix | Helix S.D. | 155 | Grizzlies | 1A | Traditional |
| Henley High School | Klamath Falls | Klamath County S.D. | 693[2] | Hornets | 4A | Traditional |
| Heppner Senior High School | Heppner | Morrow County S.D. | 102[9] | Mustangs | 2A | Traditional |
| Hermiston High School | Hermiston | Hermiston S.D. | 1413 | Bulldogs | 5A | Traditional |
| Hidden Valley High School | Grants Pass | Three Rivers S.D. | 537[2] | Mustangs | 4A | Traditional |
| Hillsboro High School | Hillsboro | Hillsboro S.D. | 1,359[2] | Spartans | 5A | Traditional |
| Hood River Valley High School | Hood River | Hood River County S.D. | 1,209[2] | Eagles | 5A | Traditional |
| Huntington High School | Huntington | Huntington S.D. | 81 | Locomotives | 1A | Traditional |
| Ida B. Wells-Barnett High School | Portland | Portland Public Schools | 1,556[2] | Guardians | 6A | Traditional |
| Illinois Valley High School | Cave Junction | Three Rivers S.D. | 320[2] | Cougars | 2A | Traditional |
| Imbler High School | Imbler | Imbler S.D. | 157 | Panthers | 1A | Traditional |
| International School of Beaverton | Beaverton | Beaverton S.D. | 593 | Dragons | | Magnet |
| Ione Community Charter School | Ione | Ione S.D. | 156 | Cardinals | 1A | Charter |
| Irrigon Senior High School | Irrigon | Morrow County S.D. | 227[10] | Knights | 2A | |
| Jefferson High School | Jefferson | Jefferson S.D. | 240[2] | Lions | 3A | |
| Jefferson High School | Portland | Portland Public Schools | 606[2] | Democrats | 6A | |
| Jewell School | Jewell | Jewell S.D. | 48[11] | Bluejays | 1A | |
| John F. Kennedy High School | Mt. Angel | Mt. Angel S.D. | 220[2] | Trojans | 2A | |
| Jordan Valley High School | Jordan Valley | Jordan Valley S.D. | 36 | Mustangs | 1A | |
| Joseph High School | Joseph | Joseph S.D. | 87 | Eagles | 1A | |
| Junction City High School | Junction City | Junction City S.D. | 539[2] | Tigers | 4A | |
| Kalapuya High School | Eugene | Bethel S.D. | 165 | | | Alternative |
| Kings Valley Charter School | Kings Valley | Philomath S.D. | 183[12] | Pioneers | 1A | Charter |
| Klamath Union High School | Klamath Falls | Klamath Falls City S.D. | 645[2] | Pelicans | 4A | |
| Knappa High School | Knappa | Knappa S.D. | 142[2] | Loggers | 2A | |
| La Grande High School | La Grande | La Grande S.D. | 647[2] | Tigers | 4A | |
| La Pine High School | La Pine | Bend-La Pine S.D. | 459[2] | Hawks | 3A | |
| Lake Oswego High School | Lake Oswego | Lake Oswego S.D. | 1,245[2] | Lakers | 6A | |
| Lakeridge High School | Lake Oswego | Lake Oswego S.D. | 1,234[2] | Pacers | 6A | |
| Lakeview High School | Lakeview | Lake County S.D. | 265[2] | Honkers | 3A | |
| Lebanon High School | Lebanon | Lebanon Community Schools | 1,289[2] | Warriors | 5A | |
| Leodis V. McDaniel High School | Portland | Portland Public Schools | 1,440[2] | Mountain Lions | 6A | |
| Liberty High School | Hillsboro | Hillsboro S.D. | 1,454[2] | Falcons | 6A | |
| Lincoln City Career Technical High School | Lincoln City | Lincoln County S.D. | 52 | | | Charter |
| Lincoln High School | Portland | Portland Public Schools | 1,525[2] | Cardinals | 6A | |
| Long Creek School | Long Creek | Long Creek S.D. | 40 | Mountaineers | 1A | |
| Lost River Jr./Sr. High School | Merrill | Klamath County S.D. | 291 | Raiders | 2A | |
| Lowell Senior High School | Lowell | Lowell S.D. | 136[2] | Devils | 2A | |
| Madras High School | Madras | Jefferson County S.D. | 781[2] | White Buffalos | 4A | |
| Mapleton Junior/Senior High School | Mapleton | Mapleton S.D. | 81 | Sailors | 1A | |
| Marshall High School | Bend | Bend-La Pine S.D. | 182 | Explorers | | Magnet |
| Marshfield High School | Coos Bay | Coos Bay Public Schools | 835[2] | Pirates | 4A | |
| Mazama High School | Klamath Falls | Klamath County S.D. | 690[2] | Vikings | 4A | |
| McDermitt Combined School | McDermitt, Oregon[13] | Humboldt County School District (Nevada) | | | | |
| McKenzie High School | Finn Rock | McKenzie S.D. | 92 | Eagles | 1A | |
| McLoughlin High School | Milton-Freewater | Milton-Freewater S.D. | 491[2] | Pioneers | 3A |
| McMinnville High School | McMinnville | McMinnville S.D. | 2,319[2] | Grizzlies | 6A | |
| McNary High School | Keizer | Salem-Keizer S.D. | 2,081[2] | Celtics | 6A | |
| Merlo Station High School | Beaverton | Beaverton S.D. | 457 | | | Magnet |
| Metropolitan Learning Center | Portland | Portland Public Schools | 443 | | | Alternative |
| Miller Education Center | Hillsboro | Hillsboro S.D. | 70 | | | Alternative |
| Milwaukie Academy of the Arts | Milwaukie | North Clackamas S.D. | 312[14] | Mustangs | 3A | Magnet, charter |
| Milwaukie eSchool | Milwaukie | North Clackamas S.D. | 40 | | | |
| Milwaukie High School | Milwaukie | North Clackamas S.D. | 904[2] | Mustangs | 5A | |
| Mitchell School | Mitchell | Mitchell S.D. | 63 | Loggers | 1A | |
| Mohawk High School | Marcola | Marcola S.D. | 137 | Mustangs | 1A | |
| Molalla High School | Molalla | Molalla River S.D. | 763[2] | Indians | 4A | |
| Monroe High School | Monroe | Monroe S.D. | 118[2] | Dragons | 2A | |
| Monument School | Monument | Monument S.D. | 66 | Tigers | 1A | |
| Mount Scott Alternative High School | Portland | Portland Public Schools | 160 | | | Alternative |
| Mountain View High School | Bend | Bend-La Pine S.D. | 1,221[2] | Cougars | 5A | |
| Mountainside High School | Beaverton | Beaverton S.D. | 1,758[2] | Mavericks | 6A | |
| Myrtle Point High School | Myrtle Point | Myrtle Point S.D. | 356 | Bobcats | 3A | |
| Neah-Kah-Nie High School | Rockaway Beach | Neah-Kah-Nie School S.D. | 280 | Pirates | 3A | |
| Nestucca High School | Cloverdale | Nestucca Valley S.D. | 162[2] | Bobcats | 2A | |
| Network Charter School | Eugene | Eugene S.D. | 112 | | | Charter |
| New Bridge High School | Grants Pass | Three Rivers S.D. | | | | |
| New Urban High School | Milwaukie | North Clackamas S.D. | 144 | Phoenixes | | Magnet |
| Newberg High School | Newberg | Newberg S.D. | 1,619[15] | Tigers | 6A | |
| Newport High School | Newport | Lincoln County S.D. | 624[2] | Cubs | 4A | |
| Nixya'awii Community School | Mission | Pendleton S.D. | 67 | Golden Eagles | 1A | Charter |
| North Bend High School | North Bend | North Bend S.D. | 731[2] | Bulldogs | 4A | |
| North Columbia Academy | Rainier | Rainier S.D. | 29 | | | Charter |
| North Douglas High School | Drain | North Douglas S.D. | 82 | Warriors | 2A | |
| North Eugene Alternative High School | Eugene | Eugene S.D. | 39 | | | Alternative |
| North Eugene High School | Eugene | Eugene S.D. | 1,071[2] | Highlander | 5A | |
| North Lake School | Silver Lake | North Lake S.D. | 233 | Cowboys | 1A | |
| North Marion High School | Aurora | North Marion S.D. | 603[2] | Huskies | 4A | |
| North Medford High School | Medford | Medford S.D. | 1,701[2] | Black Tornado | 6A | |
| North Salem High School | Salem | Salem-Keizer S.D. | 2,239[2] | Vikings | 6A | |
| North Valley High School | Grants Pass | Three Rivers S.D. | 427[2] | Knights | 3A | |
| Nyssa High School | Nyssa | Nyssa S.D. | 350[2] | Bulldogs | 3A | |
| Oakland High School | Oakland | Oakland S.D. | 221[2] | Oakers | 2A | |
| Oakridge High School | Oakridge | Oakridge S.D. | 148[2] | Warriors | 2A | |
| Ocean Dunes High School | Florence | Oregon Youth Authority | | | | |
| Ontario High School | Ontario | Ontario S.D. | 656[2] | Tigers | 4A | |
| Opportunity Center | Eugene | Eugene S.D. | 145 | | | Alternative |
| Oregon City High School | Oregon City | Oregon City S.D. | 1,931[2] | Pioneers | 6A | |
| Oregon Coast Technology School | North Bend | North Bend S.D. | 369 | | | Charter |
| Oregon Connections Academy | Scio (virtual school) | Scio S.D. | 1,473 | | | |
| Oregon School for the Deaf | Salem | Oregon Department of Education | 51[16] | Panthers | 1A | |
| Pacific High School | Port Orford | Port Orford-Langolois S.D. | 59 | Pirates | 1A | |
| Paisley School | Paisley | Paisley S.D. | 103 | Broncos | 1A | |
| Parkrose High School | Portland | Parkrose S.D. | 998[2] | Broncos | 5A | |
| Pendleton High School | Pendleton | Pendleton S.D. | 795[2] | Buckaroos | 4A | |
| Perrydale High School | Perrydale | Perrydale S.D. | 91[2] | Pirates | 1A | |
| Philomath High School | Philomath | Philomath S.D. | 418[17] | Warriors | 4A | |
| Phoenix High School | Phoenix | Phoenix-Talent S.D. | 670[18] | Pirates | 4A | |
| Pilot Rock High School | Pilot Rock | Pilot Rock S.D. | 161 | Rockets | 2A | |
| Pine Eagle Charter School | Halfway | Pine Eagle S.D. | 188 | Spartans | 1A | Charter |
| Pioneer Secondary Alternative High School | Prineville | Crook County S.D. | 89 | | | Alternative |
| Pleasant Hill High School | Pleasant Hill | Pleasant Hill S.D. | 538[2] | Billies | 3A | |
| Powder Valley School | North Powder | North Powder S.D. | 269 | Badgers | 1A | |
| Powers High School | Powers | Powers S.D. | 51 | Cruisers | 1A | |
| Prairie City School | Prairie City | Prairie City S.D. | 163 | Panthers | 1A | |
| Prospect Charter School | Prospect | Prospect S.D. | 245 | Cougars | 1A | Charter |
| Rainier Senior High School | Rainier | Rainier S.D. | 449[19] | Columbians | 3A | |
| Redmond High School | Redmond | Redmond S.D. | 928[20] | Panthers | 5A | |
| Reedsport Community Charter School | Reedsport | Reedsport S.D. | 160[21] | Braves | 2A | Charter |
| Resource Link Charter School | Coos Bay | Charter | 50 | | | Charter |
| Rex Putnam High School | Milwaukie | North Clackamas S.D. | 1,106[2] | Kingsmen | 5A | |
| Reynolds High School | Troutdale | Reynolds S.D. | 2,474[2] | Raiders | 6A | |
| Reynolds Learning Academy | Fairview | Reynolds S.D. | 156 | Dragons | | Alternative |
| Ridgeview High School | Redmond | Redmond S.D. | 936[2] | Ravens | 5A | |
| Riddle High School | Riddle | Riddle S.D. | 214 | Irish | 2A | |
| RiverBend Alternative Education School | La Grande | Umatilla/Morrow Educational Service District | 47 | | | Alternative |
| Riverdale High School | Portland | Riverdale S.D. | 185[2] | Mavericks | 3A | |
| Riverside High School | Albany | Multnomah Education Service District | Monarchs | | | |
| Riverside Senior High School | Boardman | Morrow County S.D. | 315[22] | Pirates | 3A | |
| Roberts High School | Salem | Salem-Keizer S.D. | 1020 | | | Alternative |
| Rogue River High School | Rogue River | Rogue River S.D. | 212[23] | Chieftains | 3A | |
| Roosevelt High School | Portland | Portland Public Schools | 1,484[2] | Roughriders | 6A | |
| Roseburg High School | Roseburg | Roseburg S.D. | 1,674[2] | Indians | 6A | |
| St. Helens High School | St. Helens | St. Helens S.D. | 782[2] | Lions | 4A | |
| Saint Paul High School | Saint Paul | Saint Paul S.D. | 103[2] | Buckaroos | 1A | |
| Sam Barlow High School | Gresham | Gresham-Barlow S.D. | 1,710[2] | Bruins | 6A | |
| Sandy High School | Sandy | Oregon Trail S.D. | 1,440[2] | Pioneers | 6A | |
| Santiam Senior High School | Mill City | Santiam Canyon S.D. | 175[24] | Wolverines | 2A | |
| Scappoose High School | Scappoose | Scappoose S.D. | 656[2] | Indians | 4A | |
| Scio High School | Scio | Scio S.D. | 218[2] | Logger | 2A | |
| Seaside High School | Seaside | Seaside S.D. | 453[2] | Seagulls | 4A | |
| Sheldon High School | Eugene | Eugene S.D. | 1,525[2] | Irish | 6A | |
| Sheridan High School | Sheridan | Sheridan S.D. | 224[2] | Spartans | 3A | |
| Sherman High School | Moro | Sherman County S.D. | 136 | Huskies | 1A | |
| Sherwood High School | Sherwood | Sherwood S.D. | 1,704[2] | Bowmen | 6A | |
| Siletz Valley Early College Academy | Siletz | Lincoln County S.D. | 68 | Warriors | 1A | Charter |
| Silverton High School | Silverton | Silver Falls S.D. | 1,238[2] | Foxes | 5A | |
| Sisters High School | Sisters | Sisters S.D. | 399[2] | Outlaws | 3A | |
| Siuslaw High School | Florence | Siuslaw S.D. | 459[2] | Vikings | 3A | |
| South Albany High School | Albany | Greater Albany Public S.D. | 1,481[2] | RedHawks | 5A | |
| South Eugene High School | Eugene | Eugene S.D. | 1,505[2] | Axe | 6A | |
| South Medford High School | Medford | Medford S.D. | 1,870[2] | Panthers | 6A | |
| South Salem High School | Salem | Salem-Keizer S.D. | 2,256[2] | Saxons | 6A | |
| South Umpqua High School | Myrtle Creek | South Umpqua S.D. | 443[2] | Lancers | 3A | |
| South Wasco County High School | Maupin | South Wasco County S.D. | 126 | Redsides | 1A | |
| Southridge High School | Beaverton | Beaverton S.D. | 1,495[2] | Skyhawks | 6A | |
| Sprague High School | Salem | Salem-Keizer S.D. | 1,779[2] | Olympians | 6A | |
| Spray School | Spray | Spray S.D. | 60 | Eagles | 1A | |
| Springfield High School | Springfield | Springfield S.D. | 1,317[1] | Millers | 5A | |
| Springwater Trail High School | Gresham | Gresham-Barlow S.D. | 167 | | | Charter |
| Stanfield Secondary School | Stanfield | Stanfield S.D. | 182[25] | Tigers | 2A | |
| Stayton High School | Stayton | North Santiam S.D. | 697[2] | Eagles | 4A | |
| Summit High School | Bend | Bend-La Pine S.D. | 1,444[2] | Storm | 5A | |
| Sunset High School | Beaverton (Portland mailing address) | Beaverton S.D. | 1,962[2] | Apollos | 6A | |
| Sutherlin High School | Sutherlin | Sutherlin S.D. | 361[2] | Bulldogs | 3A | |
| Sweet Home High School | Sweet Home | Sweet Home S.D. | 684[2] | Huskies | 4A | |
| Taft High School | Lincoln City | Lincoln County S.D. | 464[2] | Tigers | 3A | |
| Terra Nova High School | Portland | Beaverton S.D. Northwest Regional Education Service District | 700 | | | Magnet |
| Three Lakes High School | Albany | Youth Corrections Education Program | 65 | | | |
| Thurston High School | Springfield | Springfield S.D. | 1,277[2] | Colts | 5A | |
| Tigard High School | Tigard | Tigard-Tualatin S.D. | 1,799[2] | Tigers | 6A | |
| Tillamook High School | Tillamook | Tillamook S.D. | 723[2] | Cheesemakers | 4A | |
| Toledo High School | Toledo | Lincoln County S.D. | 184[2] | Boomers | 2A | |
| Trask River High School | Tillamook | Youth Corrections Education Program | 72 | | | |
| Triangle Lake Charter School | Blachly | Blachly S.D. | 153 | Lakers | 1A | Charter |
| Tualatin High School | Tualatin | Tigard-Tualatin S.D. | 1,747[2] | Timberwolves | 6A | |
| Ukiah High School | Ukiah | Ukiah S.D. | 44 | Cougars | 1A | |
| Umatilla High School | Umatilla | Umatilla S.D. | 435[2] | Vikings | 3A | |
| Union High School | Union | Union S.D. | 236 | Bobcats | 2A | |
| Vale High School | Vale | Vale S.D. | 291[2] | Vikings | 3A | |
| Vernonia High School | Vernonia | Vernonia S.D. | 184[2] | Loggers | 2A | |
| Waldport High School | Waldport | Lincoln County S.D. | 199[2] | Irish | 2A | |
| Wallowa High School | Wallowa | Wallowa S.D. | 109 | Cougars | 1A | |
| Warrenton High School | Warrenton | Warrenton-Hammond S.D. | 275[2] | Warriors | 3A | |
| West Albany High School | Albany | Greater Albany Public S.D. | 1,250[2] | Bulldogs | 5A | |
| West Linn High School | West Linn | West Linn-Wilsonville S.D. | 1,905[2] | Lions | 6A | |
| West Salem High School | Salem | Salem-Keizer S.D. | 1,733[2] | Titans | 6A | |
| Weston-McEwen High School | Athena | Athena Weston S.D. | 215[2] | TigerScots | 2A |
| Westview High School | Beaverton (Portland mailing address) | Beaverton S.D. | 2,442[2] | Wildcats | 6A | |
| Wheeler High School | Fossil | Fossil S.D. | 39 | Knights | 1A | |
| Wilderness Charter School | Ashland | Ashland S.D. | 22 | | | Charter |
| Willamina High School | Willamina | Willamina S.D. | 308[2] | Bulldogs | 2A | |
| Willamette High School | Eugene | Bethel S.D. | 996[2] | Wolverines | 6A | |
| Willamette Leadership Academy | Eugene | Springfield S.D. | 120 | | | Charter (Military) |
| Wilsonville High School | Wilsonville | West Linn-Wilsonville S.D. | 1,269[2] | Wildcats | 5A | |
| Winston Churchill High School | Eugene | Eugene S.D. | 1,082[2] | Lancers | 5A | |
| Winter Lakes High School | Coquille | Coquille S.D. | | White Wolves | | --- |
| William P. Lord High School | Woodburn | Youth Corrections Education Program | 366 | | | --- |
| Woodburn High School | Woodburn | Woodburn S.D. | 1,716[2] | Bulldogs | 5A | |
| Woodburn Success Alternative High School | Woodburn | Woodburn S.D. | 184 | | | Alternative |
| Yamhill Carlton High School | Yamhill | Yamhill-Carlton S.D. | 292[1] | Tigers | 3A | |
| Yoncalla High School | Yoncalla | Yoncalla S.D. | 214 | Eagles | 2A | |