| Year | Class 4A | Class 3A |
|---|---|---|
| 2023 | Thunder Basin | Worland |
| 2022 | Jackson | Worland |
| 2021 | Jackson | Worland |
| 2020 | No state tournament | No state tournament |
| 2019 | Jackson | Worland |
| 2018 | Natrona | Worland |
| 2017 | Cheyenne East | Cody |
| 2016 | Laramie | Jackson |
| 2015 | Cheyenne Central | Jackson |
| 2014 | Laramie | Jackson |
| 2013 | Laramie | Buffalo |
| 2012 | Kelly Walsh | Jackson |
| 2011 | Sheridan | Cody |
| 2010 | Laramie | Buffalo |
| 2009 | Cheyenne Central | Cody |
| 2008 | Laramie | Cody |
| 2007 | Kelly Walsh | - |
| 2006 | Cheyenne Central | - |
| 2005 | Kelly Walsh | - |
| 2004 | Cheyenne East | - |
| 2003 | Kelly Walsh | - |
| 2002 | Kelly Walsh | - |
| 2001 | Cheyenne East | - |
| 2000 | Laramie | - |
| 1999 | Cheyenne Central | - |
| 1998 | Kelly Walsh | - |
| 1997 | Buffalo | - |
| 1996 | Natrona | - |
| 1995 | Cheyenne East | - |
| 1994 | Campbell County | - |
| 1993 | Cheyenne Central | - |
| 1992 | Cheyenne East | - |
| 1991 | Cheyenne Central | - |
| 1990 | Cheyenne Central | - |
| 1989 | Cheyenne East | - |
| 1988 | Cheyenne East | - |
| 1987 | Cheyenne East | - |
Total team championships
Cheyenne East: 8
Cheyenne Central, Jackson: 7
Kelly Walsh, Laramie: 6
Worland: 5
Cody: 4
Buffalo: 3
Natrona: 2
Campbell County, Sheridan, Thunder Basin: 1