Class B (what is now 3A/2A/1A)
Casco League
· Chemawa Braves
· Colton Vikings
· Detroit Cougars (defunct since 1993-consolidated to Santiam High School)
· Eddyville Eagles
· Falls City Mountaineers
· Jefferson Lions
· Gates Cubs (consolidated to Santiam High School)
· Mt. Angel (now Kennedy) Trojans
· Oregon School for the Deaf Panthers
· Perrydale Pirates
· Regis Rams (from 1962 onward)
· Salem Academy Crusaders
· St. Boniface Hawks (defunct since 1962-Precurser to Regis)
· St. Paul Buckaroos
· Mill City (now Santiam) Wolverines
· Siletz Warriors
· Valsetz Cougars (defunct since 1986)
· Western Mennonite Pioneers
1947-1950-
Class A (what is now 4A/5A/6A)
Capital Conference
· Jefferson Lions
· Mt. Angel (now Kennedy) Trojans
· Salem (now North Salem) Vikings
· Salem Academy Crusaders
· Silverton Silver Foxes
· Stayton Eagles
1950-1969-
Class B (what is now 3A/2A/1A)
Casco League
· Chemawa Braves
· Colton Vikings
· Detroit Cougars (defunct since 1993-consolidated to Santiam High School)
· Eddyville Eagles
· Falls City Mountaineers
· Jefferson Lions
· Gates Cubs (consolidated to Santiam High School)
· Mt. Angel (now Kennedy) Trojans
· Oregon School for the Deaf Panthers
· Perrydale Pirates
· Regis Rams (from 1962 onward)
· Salem Academy Crusaders
· St. Boniface Hawks (defunct since 1962-Precurser to Regis)
· St. Paul Buckaroos
· Mill City (now Santiam) Wolverines
· Siletz Warriors
· Valsetz Cougars (defunct since 1986)
· Western Mennonite Pioneers
1969-70 School Year-
Class A-2 (what is now 4A)
Capital Conference
· Cascade Cougars
· Chemawa Braves
· Gervais Cougars
· Gladstone Gladiators
· Jefferson Lions
· North Marion Huskies
· Regis Rams
· Salem Academy Crusaders
· Santiam Wolverines
· Scio Loggers
· Stayton Eagles
· Woodburn Bulldogs
1970-1978-
Class A (what is now 3A/2A)
· Colton Vikings
· Jefferson Lions
· Kennedy Trojans
· Regis Rams
· Salem Academy Crusaders
· Santiam Wolverines
· Scio Loggers
1978-1982-
Class AA (what is now 4A)
Yawama League
· Banks Braves
· Dayton Pirates
· Gervais Cougars
· Jefferson Lions
· North Marion Huskies
· Sherwood Bowmen
· Willamina Bulldogs
· Yamhill-Carlton Tigers
1982-1990-
Class AA (what is now 4A)
Valco League
· Central Panthers
· Central Linn Cobras
· Jefferson Lions
· Newport Cubs
· Philomath Warriors
· Taft Tigers
· Toledo Boomers
· Yamhill-Carlton Tigers
1990-1994-
Class 2A (what is now 3A/2A)
Tri-River Conference
· Chemawa Braves
· Colton Vikings
· Gervais Cougars
· Jefferson Lions
· Kennedy Trojans
· Regis Rams
· Salem Academy Crusaders
· Santiam Wolverines
· Scio Loggers
1994-1998-
Class 3A (what is now 4A)
Valco League
· Jefferson Lions
· Newport Cubs
· Philomath Warriors
· Taft Tigers
· Toledo Boomers
· Waldport Irish
· Willamina Bulldogs
· Yamhill-Carlton Tigers
1998-2002-
Class 2A (what is now 3A/2A)
Tri-River Conference
· Blanchet Cavaliers
· Chemawa Braves
· Colton Vikings
· East Linn Christian Eagles
· Gervais Cougars
· Jefferson Lions
· Kennedy Trojans
· Regis Rams
· Salem Academy Crusaders
· Santiam Wolverines
· Scio Loggers
2002-2006-
Class 2A (what is now 3A/2A)
Trico League
· Central Linn Cobras
· Crow Cougars
· East Linn Christian Eagles
· Harrisburg Eagles
· Jefferson Lions
· Lowell Red Devils
· Monroe Dragons
· Oakridge Warriors
· Waldport Irish
2006-2010-
Class 3A
· Chemawa Braves
· Creswell Bulldogs
· Harrisburg Eagles
· Jefferson Lions
· Regis Rams
· Santiam Christian Eagles
· Toledo Boomers
· Waldport Irish
2010-2014-
Class 3A (current)
PacWest League
· Blanchet Cavaliers
· Chemawa Braves
· Creswell Bulldogs
· Harrisburg Eagles
· Jefferson Lions
· Pleasant Hill Billies
· Salem Academy Crusaders
· Santiam Christian Eagles
· Toledo Boomers
· Waldport Irish