Idaho High School Activities Association

The Idaho High School Activities Association (IHSAA) oversees high school athletics and activities in the state of Idaho. Idaho high schools are classified in five categories, based on enrollment, for league competition and state playoffs and championships. The IHSAA recognizes 18 specific sports and activities.

Schools primarily compete within their own classification for regular season play, but are allowed to play other schools one classification above or below them in most sports.

Classification
IHSAA classifications are based on four-year enrollments (grades 9–12). The classifications for the state's 161 high schools for 2018–20 are:

Historic classifications
Source:


 * A-1 was split into two divisions for football in fall 1984, all sports in fall 2000
 * 1A was two divisions for football only; two divisions for volleyball and basketball in fall 2008.

Districts


The six districts correspond to those used by the state's transportation department.

5A Conferences
High Country Conference (5A) - (east) Inland Empire League (5A) - (north) Southern Idaho Conference (5A) - (southwest)
 * Highland Rams - (Pocatello)
 * Idaho Falls Tigers
 * Madison Bobcats - (Rexburg)
 * Rigby Trojans
 * Thunder Ridge Titans - (Idaho Falls)
 * Coeur d'Alene Vikings
 * Lake City Timberwolves - (Coeur d'Alene)
 * Lewiston Bengals
 * Post Falls Trojans
 * Boise Brave
 * Borah Lions - (Boise)
 * Capital Eagles - (Boise)
 * Centennial Patriots - (Boise, W. Ada S.D.)
 * Eagle Mustangs
 * Kuna Kaveman
 * Meridian Warriors
 * Middleton Vikings
 * Mountain View Mavericks - (Meridian)
 * Nampa Bulldogs
 * Owyhee Storm - (Meridian)
 * Rocky Mountain Grizzlies - (Meridian)
 * Timberline Wolves - (Boise)

4A Conferences
High Country Conference (4A) - (East-VI) Great Basin Conference - (South Central-IV) Great Basin Conference - (Southeast-V) Inland Empire League (4A) - (North-I & II) Southern Idaho Conference (4A) - (Southwest-III)
 * Blackfoot Broncos
 * Bonneville Bees - (Idaho Falls)
 * Hillcrest Knights - (Ammon)
 * Idaho Falls Tigers
 * Skyline Grizzlies - (Idaho Falls)
 * Shelley Russets
 * Burley Bobcats
 * Canyon Ridge Riverhawks - (Twin Falls)
 * Jerome Tigers
 * Minico Spartans - (Rupert)
 * Mountain Home Tigers
 * Twin Falls Bruins
 * Wood River Wolverines - (Hailey)
 * Pocatello Thunder
 * Century Diamondbacks - (Inkom)
 * Preston Indians
 * Lakeland Hawks - (Rathdrum)
 * Moscow Bears
 * Sandpoint Bulldogs
 * Bishop Kelly Knights - (Boise)
 * Caldwell Cougars
 * Columbia Wildcats - (Nampa)
 * Emmett Huskies
 * Ridgevue Warhawks - (Nampa in Vallivue S.D.)
 * Skyview Hawks - (Nampa)
 * Vallivue Falcons - (Caldwell in Vallivue S.D.)

3A Conferences
Intermountain League - (north) Mountain Rivers Conference - (east) Sawtooth Central Conference - (south central) Snake River Valley Conference - (southwest) Southeastern Idaho Conference - (southeast)
 * Bonners Ferry Badgers
 * Coeur d' Alene Charter Panthers
 * Timberlake Tigers - (Spirit Lake)
 * South Fremont Cougars - (St. Anthony)
 * Sugar-Salem Diggers
 * Teton Timberwolves - (Driggs)
 * Buhl Indians
 * Filer Wildcats
 * Gooding Senators
 * Kimberly Bulldogs
 * Fruitland Grizzlies
 * Homedale Trojans
 * Parma Panthers
 * Payette Pirates
 * McCall-Donnelly Vandals
 * Sage International School
 * Weiser Wolverines
 * American Falls Beavers
 * Marsh Valley Eagles - (Arimo)
 * Snake River Panthers - (Blackfoot)

2A Conferences
Canyon Conference - (south central) Central Idaho League - (north central) Nuclear Conference - (east) Southeastern Idaho Conference - (southeast) Western Idaho Conference - (southwest)
 * Declo Hornets
 * Wendell Trojans
 * Valley Vikings - (Hazelton)
 * Community Cutthroat Trout - (Sun Valley)
 * Grangeville Bulldogs
 * Kellogg Wildcats
 * Orofino Maniacs
 * Priest River Spartans
 * St. Maries Lumberjacks
 * Firth Cougars
 * North Fremont Huskies - (Ashton)
 * Ririe Bulldogs
 * Salmon Savages
 * West Jefferson Panthers - (Terreton)
 * Aberdeen Tigers
 * Bear Lake Bears - (Montpelier)
 * Malad Dragons
 * Soda Springs Cardinals
 * West Side Pirates - (Dayton)
 * Ambrose Archers - (Meridian)
 * Cole Valley Christian Chargers - (Meridian)
 * Compass Aviators - (Meridian)
 * Marsing Huskies
 * Melba Mustangs
 * Nampa Christian Trojans
 * New Plymouth Pilgrims
 * North Star Huskies - (Eagle)

Division I
Snake River Conference - (south central) White Pine League (Div I) - (north central) Western Idaho Conference - (southwest)
 * Butte County Pirates - (Arco)
 * Challis Vikings
 * Glenns Ferry Pilots
 * Hagerman Pirates
 * Oakley Hornets
 * Raft River Trojans - (Malta)
 * Shoshone Indians
 * Clearwater Valley Rams - (Kooskia)
 * Genesee Bulldogs
 * Kamiah Kubs
 * Lapwai Wildcats
 * Potlatch Loggers
 * Prairie Pirates - (Cottonwood)
 * Troy Trojans
 * Centennial Mustangs - (Caldwell)
 * Gem State Jaguars - (Caldwell)
 * Greenleaf Grizzlies
 * Idaho City Wildcats
 * Liberty Charter Patriots - (Nampa)
 * Notus Pirates
 * Rimrock Raiders - (Grand View)
 * Riverstone International Otters - (Boise)
 * Victory Vipers - (Nampa)
 * Vision Charter Golden Eagles - (Caldwell)
 * Wilder Wildcats - (Wilder)

Division II
Long Pin Conference - (southwest)


 * Cascade Ramblers
 * Council Lumberjacks
 * Garden Valley Wolverines
 * Horseshoe Bend Mustangs
 * Meadows Valley Mountaineers - (New Meadows)

Sawtooth Conference - (south central) White Pine League (Div II) - (north central) North Star Conference - (north) Rocky Mountain Conference - (central)
 * Salmon River Savages - (Riggins)
 * Tri-Valley Titans - (Cambridge/ Midvale/ Indian Valley)
 * Bliss Bears
 * Camas County Musher Dogs - (Fairfield)
 * Carey Panthers
 * Castleford Wolves
 * Dietrich Blue Devils
 * Hansen Huskies
 * Lighthouse Christian Lions - (Twin Falls)
 * Murtaugh Red Devils
 * Richfield Tigers
 * Culdesac Wolves
 * Deary Mustangs
 * Highland Huskies - (Craigmont)
 * Kendrick Tigers
 * Logos Knights - (Moscow)
 * Nezperce Indians
 * St. John Bosco Patriots - (Cottonwood)
 * Timberline Spartans - (Weippe)
 * Clark Fork Wampus Cats
 * Genesis Prep Jaguars - (Post Falls)
 * Kootenai Warriors
 * Lakeside Knights - (Plummer)
 * Mullan Tigers
 * Wallace Miners - (1A Div I)
 * Clark County Bobcats - (Dubois)
 * Grace Grizzlies
 * Leadore Mustangs
 * Mackay Miners
 * North Gem Cowboys - (Bancroft)
 * Rockland Bulldogs
 * Sho-Ban Chiefs - (Fort Hall)
 * Grace Lutheran Royals - (Pocatello)
 * Watersprings Warriors - (Idaho Falls, Idaho)

Neighboring states

 * Washington Interscholastic Activities Association
 * Oregon School Activities Association
 * Nevada Interscholastic Activities Association


 * Montana High School Association
 * Wyoming High School Activities Association
 * Utah High School Activities Association