This is a list of high schools in the state of Montana.

The Montana High School Association is the governing body of high school athletics. Schools are assigned a class to determine athletic competitions. As of 2023, the enrollment criteria for each class is: 801 and up for Class AA, 301-800 for Class A, 101-300 for Class B and 1-100 for Class C.

Beaverhead County

  • Beaverhead County High School, Dillon, Class A
  • Lima High School, Lima, Class C

Big Horn County

  • Hardin High School, Hardin, Class A
  • Lodge Grass High School, Lodge Grass, Class B
  • Northern Cheyenne High School, Busby, Class C
  • Northern Cheyenne Tribal School, Busby (Non Affiliated with MHSA - no classification)
  • Plenty Coups High School, Pryor, Class C

Blaine County

  • Chinook High School, Chinook, Class B
  • Harlem High School, Harlem, Class B
  • Hays-Lodge Pole High School, Hays, Class C
  • Turner High School, Turner, Class C

Broadwater County

  • Broadwater High School, Townsend, Class B

Carbon County

  • Belfry High School, Belfry, Class C
  • Bridger High School, Bridger, Class C
  • Fromberg High School, Fromberg, Class C
  • Joliet High School, Joliet, Class B
  • Red Lodge High School, Red Lodge, Class B
  • Roberts High School, Roberts, Class C

Carter County

  • Carter County High School, Ekalaka, Class C

Cascade County

  • Belt High School, Belt, Class C
  • Cascade High School, Cascade, Class B
  • Centerville High School, Centerville, Class C
  • Charles M. Russell High School (CMR), Great Falls, Class AA
  • Great Falls Central Catholic High School, Great Falls, Class B
  • Great Falls High School, Great Falls, Class AA
  • Montana School for Deaf & Blind High, Great Falls, Class C
  • Simms High School, Simms, Class C

Chouteau County

  • Big Sandy High School, Big Sandy, Class C
  • Fort Benton High School, Fort Benton, Class C
  • Geraldine High School, Geraldine, Class C
  • Highwood High School, Highwood, Class C

Custer County

  • Custer County High School, Miles City, Class A

Daniels County

  • Scobey High School, Scobey, Class C

Dawson County

  • Dawson High School, Glendive, Class A
  • Richey High School, Richey, Class C

Deer Lodge County

  • Anaconda High School, Anaconda, Class B

Fallon County

  • Baker High School, Baker, Class B
  • Plevna High School, Plevna, Class C

Fergus County

  • Denton High School, Denton, Class C
  • Fergus County High School, Lewistown, Class A
  • Grass Range High School, Grass Range, Class C
  • Moore High School, Moore, Class C
  • Roy High School, Roy, Class C
  • Winifred High School, Winifred, Class C

Flathead County

  • Bigfork High School, Bigfork, Class A
  • Columbia Falls High School, Columbia Falls, Class A
  • Flathead High School, Kalispell, Class AA
  • Glacier High School, Kalispell, Class AA
  • Stillwater Christian School, Kalispell, [Non Affiliated with MHSA - no classification]
  • Whitefish High School, Whitefish, Class A

Gallatin County

  • Belgrade High School, Belgrade, Class AA
  • Bozeman High School, Bozeman, Class AA
  • Gallatin High School, Bozeman, Class AA
  • Heritage Christian School, Bozeman [Non affiliated with MHSA - no classification]
  • Lone Peak High School, Big Sky, Montana, Class B
  • Manhattan Christian School, Churchill, Class C
  • Manhattan High School, Manhattan, Class B
  • Mount Ellis Academy, Bozeman, [Non affiliated with MHSA - no classification]
  • Three Forks High School, Three Forks, Class B
  • West Yellowstone High School, West Yellowstone, Class C
  • Willow Creek High School, Willow Creek, Class C

Garfield County

  • Garfield County District High School, Jordan, Class C

Glacier County

  • Browning High School, Browning, Class A
  • Cut Bank High School, Cut Bank, Class B

Golden Valley County

  • Lavina High School, Lavina, Class C
  • Ryegate High School, Ryegate, Class C

Granite County

  • Drummond High School, Drummond, Class C
  • Granite High School, Philipsburg, Class C

Hill County

  • Box Elder High School, Box Elder, Class C
  • Rocky Boy High School, Box Elder, Class B
  • Havre High School, Havre, Class A
  • North Star High School, Rudyard, Class C

Jefferson County

  • Jefferson High School, Boulder, Class B
  • Whitehall High School, Whitehall, Class B

Judith Basin County

  • Geyser High School, Geyser, Class C
  • Hobson High School, Hobson, Class C
  • Stanford High School, Stanford, Class C

Lake County

  • Arlee High School, Arlee, Class B
  • Charlo High School, Charlo, Class C
  • Two Eagle River School, Pablo, Class C
  • Polson High School, Polson, Class A
  • Ronan High School, Ronan, Class A
  • Mission High School, St. Ignatius, Class B

Lewis and Clark County

  • Augusta High School, Augusta, Class C
  • Capital High School, Helena, Class AA
  • East Helena High School, East Helena, Class A
  • Helena High School, Helena, Class AA
  • Lincoln High School, Lincoln, Class C

Liberty County

  • Chester-Joplin-Inverness High School (CJI), Chester, Class C

Lincoln County

  • Lincoln County High School, Eureka, Class B
  • Libby High School, Libby, Class A
  • Troy High School, Troy, Class C

Madison County

  • Ennis High School, Ennis, Class B
  • Harrison High School, Harrison, Class C
  • Sheridan High School, Sheridan, Class C
  • Twin Bridges High School, Twin Bridges, Class C

McCone County

  • Circle High School, Circle, Class C

Meagher County

  • White Sulphur Springs High School, White Sulphur Springs, Class C

Mineral County

  • Alberton High School, Alberton, Class C
  • St. Regis High School, St. Regis, Class C
  • Superior High School, Superior, Class C

Missoula County

  • Big Sky High School, Missoula, Class AA
  • Frenchtown High School, Frenchtown, Class A
  • Hellgate High School, Missoula, Class AA
  • Loyola Sacred Heart High School, Missoula, Class B
  • Missoula International School, Missoula
  • Seeley-Swan High School, Seeley Lake, Class C
  • Sentinel High School, Missoula, Class AA
  • Valley Christian School, Missoula, Class C
  • Willard Alternative High School, Missoula

Musselshell County

  • Melstone High School, Melstone, Class C
  • Roundup High School, Roundup, Class B

Park County

  • Gardiner High School, Gardiner, Class C
  • Park High School, Livingston, Class A
  • Shields Valley High School, Clyde Park, Class C

Petroleum County

  • Winnett High School, Winnett, Class C

Phillips County

  • Dodson High School, Dodson, Class C
  • Malta High School, Malta, Class B
  • Saco High School, Saco, Class C
  • Whitewater High School, Whitewater, Class C

Pondera County

  • Conrad High School, Conrad, Class B
  • Heart Butte High School, Heart Butte, Class C
  • Valier High School, Valier, Class C

Powder River County

  • Powder River County District High School, Broadus, Class C

Powell County

  • Powell County High School, Deer Lodge, Class B

Prairie County

  • Terry High School, Terry, Class C

Ravalli County

  • Corvallis High School, Corvallis, Class A
  • Darby High School, Darby, Class C
  • Florence-Carlton High School, Florence, Class B
  • Hamilton High School, Hamilton, Class A
  • Stevensville High School, Stevensville, Class A
  • Victor High School, Victor, Class C

Richland County

  • Fairview High School, Fairview, Class C
  • Lambert High School, Lambert, Class C
  • Savage High School, Savage, Class C
  • Sidney High School, Sidney, Class A

Roosevelt County

  • Bainville High School, Bainville, Class C
  • Brockton High School, Brockton, Class C
  • Culbertson High School, Culbertson, Class C
  • Froid High School, Froid, Class C
  • Poplar High School, Poplar, Class B
  • Wolf Point High School, Wolf Point, Class B

Rosebud County

  • Colstrip High School, Colstrip, Class B
  • Forsyth High School, Forsyth, Class C
  • Lame Deer High School, Lame Deer, Class B
  • Rosebud High School, Rosebud, Class C
  • St. Labre Indian Catholic High School, Ashland, Class B

Sanders County

  • Hot Springs High School, Hot Springs, Class C
  • Noxon High School, Noxon, Class C
  • Plains High School, Plains, Class C
  • Thompson Falls High School, Thompson Falls, Class B

Sheridan County

  • Medicine Lake High School, Medicine Lake, Class C
  • Plentywood High School, Plentywood, Class C
  • Westby High School, Westby, Class C

Silver Bow County

  • Butte Central Catholic High School, Butte, Class A
  • Butte High School, Butte, Class AA

Stillwater County

  • Absarokee High School, Absarokee, Class C
  • Columbus High School, Columbus, Class B
  • Park City High School, Park City, Class C
  • Rapelje High School, Rapelje, Class C
  • Reed Point High School, Reed Point, Class C

Sweet Grass County

  • Sweet Grass County High School, Big Timber, Class B

Teton County

  • Choteau High School, Choteau, Class B
  • Dutton/Brady High School, Dutton, Class C
  • Fairfield High School, Fairfield, Class B
  • Power High School, Power, Class C

Toole County

  • North Toole County High School, Sunburst, Class C
  • Shelby High School, Shelby, Class B

Treasure County

  • Hysham High School, Hysham, Class C

Valley County

  • Frazer High School, Frazer, Class C
  • Lustre Christian High School, Lustre, Class C
  • Glasgow High School, Glasgow, Class B
  • Hinsdale High School, Hinsdale, Class C
  • Nashua High School, Nashua, Class C
  • Opheim High School, Opheim, Class C

Wheatland County

  • Harlowton High School, Harlowton, Class C
  • Judith Gap High School, Judith Gap, Class C

Wibaux County

  • Wibaux High School, Wibaux, Class C

Yellowstone County

  • Billings Central Catholic High School, Billings, Class A
  • Billings Senior High School, Billings, Class AA
  • Billings West High School, Billings, Class AA
  • Broadview High School, Broadview, Class C
  • Custer High School, Custer, Class C
  • Huntley Project High School, Worden, Class B
  • Laurel High School, Laurel, Class A
  • Lockwood High School, Lockwood, Class A
  • Rimrock Christian High School, Billings, [Non affiliated with MHSA - no classification]
  • Shepherd High School, Shepherd, Class B
  • Skyview High School, Billings, Class AA
  • Yellowstone Academy, Billings, [Non affiliated with MHSA - no classification]

References

  • List of high schools in Montana from SchoolTree.org
  • https://web.archive.org/web/20110521095619/http://mhsa.org/Enrollment/2010-11FallEnrollmentByClassification.pdf