- A
- Absarokee (Absarokee High School)
- Alberton (Alberton High School)
- Anaconda (Anaconda Senior High School)
- Arlee (Arlee High School)
- Ashland (St. Labre Catholic High School)
- Augusta (Augusta School)
- B
- Bainville (Bainville High School)
- Baker (Baker High School)
- Belfry (Belfry High School)
- Belgrade (Belgrade High School)
- Belt (Belt School)
- Big Sandy (Big Sandy High School)
- Big Sky (Lone Peak High School)
- Big Timber (Sweet Grass County High School)
- Bigfork (Bigfork High School)
- Billings
- Boulder (Jefferson High School)
- Box Elder
- Bozeman
- Broadus (Powder River County High School)
- Broadview (Broadview High School)
- Brockton (Brockton High School)
- Browning (Browning High School)
- Busby (Northern Cheyenne High School)
- Butte
- C
- Cascade (Cascade High School)
- Charlo (Charlo High School)
- Chester (Chester Joplin Inverness High School)
- Chinook (Chinook High School)
- Choteau (Choteau High School)
- Circle (Circle High School)
- Clyde Park (Shields Valley High School)
- Colstrip (Colstrip High School)
- Columbia Falls (Columbia Falls High School)
- Columbus (Columbus High School)
- Conrad (Conrad High School)
- Corvallis (Corvallis High School)
- Culbertson (Culbertson High School)
- Cut Bank (Cut Bank High School)
- D
- Darby (Darby High School)
- Deer Lodge (Powell County High School)
- Denton (Denton High School)
- Dillon (Beaverhead County High School)
- Dodson (Dodson High School)
- Drummond (Drummond High School)
- Dutton (Dutton Brady High School)
- F
- Fairfield (Fairfield High School)
- Fairview (Fairview High School)
- Florence (Florence Carlton High School)
- Forsyth (Forsyth High School)
- Fort Benton (Fort Benton High School)
- Frazer
- Frenchtown (Frenchtown High School)
- Froid (Froid High School)
- Fromberg (Fromberg High School)
- G
- Gardiner (Gardiner High School)
- Geraldine (Geraldine High School)
- Geyser (Geyser High School)
- Glasgow (Glasgow High School)
- Glendive (Dawson County High School)
- Grass Range (Grass Range High School)
- Great Falls
- H
- Hamilton (Hamilton High School)
- Hardin (Hardin High School)
- Harlem (Harlem High School)
- Harlowton (Harlowton High School)
- Harrison (Harrison High School)
- Havre (Havre High School)
- Hays (Hays Lodgepole High School)
- Heart Butte (Heart Butte High School)
- Helena
- Highwood (Highwood High School)
- Hinsdale (Hinsdale High School)
- Hobson (Hobson High School)
- Hot Springs (Hot Springs High School)
- Hysham (Hysham High School)
- J
- Joliet (Joliet High School)
- Jordan (Garfield County High School)
- Judith Gap (Judith Gap High School)
- L
- Lambert (Lambert High School)
- Lame Deer (Lame Deer High School)
- Laurel (Laurel High School)
- Lavina (Lavina High School)
- Lewistown (Fergus High School)
- Libby (Libby High School)
- Lima (Lima High School)
- Livingston (Park High School)
- Lodge Grass (Lodge Grass High School)
- M
- Malta (Malta High School)
- Manhattan
- Medicine Lake (Medicine Lake High School)
- Melstone (Melstone School)
- Miles City (Custer County High School)
- Missoula
- P
- Pablo (Two Eagle River High School)
- Park City (Park City High School)
- Philipsburg (Granite High School)
- Plains (Plains High School)
- Plentywood (Plentywood High School)
- Plevna (Plevna High School)
- Poplar (Poplar High School)
- Power (Power High School)
- R
- Red Lodge (Red Lodge High School)
- Richey (Richey High School)
- Roberts (Roberts High School)
- Ronan (Ronan High School)
- Rosebud (Rosebud High School)
- Roundup (Roundup High School)
- Roy (Roy High School)
- Rudyard (North High Schooltar High School)
- Ryegate (Ryegate High School)
- S
- Saco (Saco Public School)
- Saint Ignatius (St. Ignatius High School)
- Saint Regis (St. Regionalis High School)
- Sand Coulee (Centerville High School)
- Savage (Savage High School)
- Scobey (Scobey High School)
- Seeley Lake (Seeley Swan High School)
- Shelby (Shelby High School)
- Shepherd (Shepherd High School)
- Sheridan (Sheridan High School)
- Sidney (Sidney High School)
- Simms (Simms High School)
- Stanford (Stanford High School)
- Stevensville (Stevensville High School)
- Sunburst (Sunburst High School)
- Superior (Superior High School)
- T
- Terry (Terry High School)
- Thompson Falls (Thompson Falls High School)
- Three Forks (Three Forks High School)
- Townsend (Broadwater High School)
- Troy (Troy High School)
- Turner (Turner High School)
- Twin Bridges (Twin Bridges High School)
- W
- West Yellowstone (West Yellowstone High School)
- White Sulphur Springs (White Sulphur Springs High School)
- Whitefish (Whitefish High School)
- Whitehall (Whitehall High School)
- Wibaux (Wibaux County High School)
- Willow Creek (Willow Creek High School)
- Winifred (Winifred Public High School)
- Winnett (Winnett High School)
- Wolf Point (Wolf Point High School)
- Worden (Huntley Project High School)