| Year | Boys | Girls |
|---|---|---|
| 2023 | Laramie | Cheyenne Central |
| 2022 | Jackson | Kelly Walsh |
| 2021 | Kelly Walsh | Kelly Walsh |
| 2020 | Kelly Walsh | Cheyenne Central |
| 2019 | Powell | Cheyenne Central//Sheridan |
| 2018 | Cheyenne Central//Jackson | Cheyenne Central |
| 2017 | Laramie | Cheyenne Central |
| 2016 | Campbell County | Laramie |
| 2015 | Campbell County | Cheyenne Central |
| 2014 | Laramie | Cheyenne Central |
| 2013 | Laramie | Campbell County |
| 2012 | Campbell County | Natrona |
| 2011 | Campbell County | Natrona |
| 2010 | Campbell County | Campbell County |
| 2009 | Cheyenne Central | Jackson |
| 2008 | Campbell County | Jackson |
| 2007 | Campbell County | Kelly Walsh |
| 2006 | Campbell County | Natrona |
| 2005 | Natrona | Cheyenne Central |
| 2004 | Campbell County | Sheridan |
| 2003 | Natrona | Sheridan |
| 2002 | Jackson | Cody |
| 2001 | Jackson | Campbell County |
| 2000 | Jackson | Campbell County |
| 1999 | Natrona | Jackson |
| 1998 | Campbell County | Jackson |
| 1997 | Natrona | Kelly Walsh |
| 1996 | Cheyenne Central | Kelly Walsh |
| 1995 | Cheyenne Central | Cheyenne Central |
| 1994 | Kelly Walsh | Cheyenne Central |
| 1993 | Cheyenne Central | Sheridan |
| 1992 | Cheyenne Central | Sheridan |
| 1991 | Cheyenne Central | Sheridan |
| 1990 | Cheyenne Central | Sheridan |
| 1989 | Cheyenne Central | Cody |
| 1988 | Cheyenne Central | Sheridan |
| 1987 | Cheyenne Central | Cheyenne Central |
| 1986 | Cheyenne Central | Cheyenne Central |
| 1985 | Sheridan | Cheyenne Central |
| 1984 | Cheyenne Central//Sheridan | Cheyenne Central |
| 1983 | Cheyenne Central | Cheyenne Central |
| 1982 | Cheyenne Central | Cheyenne Central |
| 1981 | Laramie | Cheyenne Central |
| 1980 | Cheyenne Central | Cody |
| 1979 | Natrona | Cody |
| 1978 | Natrona | Natrona//Kelly Walsh |
| 1977 | Natrona | Natrona |
| 1976 | Cheyenne Central | Natrona |
| 1975 | Natrona | - |
| 1974 | Natrona | - |
| 1973 | Natrona | - |
| 1972 | Natrona | - |
| 1971 | Natrona | - |
| 1970 | Natrona//Cheyenne East | Kelly Walsh |
| 1969 | Cheyenne East//Cheyenne Central | Kelly Walsh |
| 1968 | Cheyenne East | - |
| 1967 | Cheyenne East | - |
| 1966 | Torrington | - |
Total team championships, boys
Cheyenne Central: 18
Natrona: 13
Campbell County: 10
Laramie: 6
Jackson: 5
Cheyenne East: 4
Kelly Walsh: 3
Powell, Sheridan, Torrington: 1
Total team championships, girls
Cheyenne Central: 17
Kelly Walsh, Sheridan: 8
Natrona: 6
Campbell County, Cody, Jackson: 4
Laramie: 1