Number in parentheses indicates total possible members in each Region
Big Sioux (23)
- Arlington
- Brookings
- Dell Rapids St. Mary
- Sioux Falls Roosevelt
- Tri-Valley
Capitol (24)
- Jones County
- Kadoka Area
- Kimball
- Lyman
- Pierre T.F. Riggs
- Stanley County
- Winner
James River (29)
- Bon Homme
- Bridgewater-Emery
- Ethan
- Huron
- Mitchell
- Montrose
- Plankinton
- Sanborn Central
Northern Lakes (31)
- Britton-Hecla
- Deuel
- Estelline
- Florence
- Henry
- Milbank
- Summit
- Watertown
- Waverly-South Shore
Rushmore (27)
- Belle Fourche
- Bennett County
- Custer
- Douglas
- Edgemont
- Harding County
- Hill City
- Hot Springs
- Lead-Deadwood
- Philip
- Rapid City Stevens
- Sturgis Brown
- Wall
Spirit Point (22)
- Dakota Valley
- Harrisburg
- Irene-Wakonda
- Parker
- Sioux Falls Jefferson
- Sioux Falls Lincoln
- Sioux Falls Washington
- Tea Area
- Yankton
Upper Missouri (22)
- Bison
- Faith
- Herreid
- Lemmon
- McLaughlin
- Mobridge-Pollock
- Sully Buttes
- Timber Lake
- Wakpala