| Year (Winter) | Class 4A | Class 3A |
|---|---|---|
| 2025 | Laramie | Lander |
| 2024 | Laramie | Lander |
| 2023 | Laramie | Lander |
| 2022 | Laramie | Lander |
| 2021 | Laramie | Lander |
| 2020 | Laramie | Lander |
| 2019 | Laramie | Lander |
| 2018 | Laramie | Lander |
| 2017 | Campbell County | Lander |
| 2016 | Campbell County | Lander |
| 2015 | Kelly Walsh | Lander |
| 2014 | Kelly Walsh | Lander |
| 2013 | Cheyenne Central | Lander |
| 2012 | Campbell County | Lander |
| 2011 | Laramie | Lander |
| 2010 | Laramie | Lander |
| 2009 | Laramie | Lander |
| 2008 | Campbell County | Lander |
| 2007 | Campbell County | Lander |
| 2006 | Campbell County | Lander |
| 2005 | Laramie | Lander |
| 2004 | Laramie | Lander |
| 2003 | Laramie | Lander |
| 2002 | Kelly Walsh | Lander |
| 2001 | Green River | Lander |
| 2000 | Laramie | Lander |
| 1999 | Campbell County | Lander |
| 1998 | Campbell County | Lander |
| 1997 | Laramie | Lander |
| 1996 | Campbell County | Rawlins |
| 1995 | Campbell County | Lander |
| 1994 | Campbell County | Lander |
| 1993 | Campbell County | Worland |
| 1992 | Green River | Lander |
| 1991 | Campbell County | Rawlins |
| 1990 | Campbell County | Lyman |
| 1989 | Campbell County | Powell |
| 1988 | Laramie | Douglas |
| 1987 | Laramie | Evanston |
| 1986 | Laramie | Evanston |
| 1985 | Laramie | Evanston |
| 1984 | Campbell County | Douglas |
| 1983 | Laramie | Douglas |
| 1982 | Laramie | Douglas |
| 1981 | Laramie | Douglas |
| 1980 | Sheridan | Big Piney |
| 1979 | Laramie | Newcastle |
| 1978 | Laramie | Glenrock |
| 1977 | Laramie | Green River |
| 1976 | Laramie | Green River |
| 1975 | Cheyenne East | Green River |
| 1974 | Sheridan | Green River |
| 1973 | Sheridan | Glenrock |
| 1972 | Powell | Newcastle |
| 1971 | Cheyenne East | Thermopolis |
| 1970 | Cheyenne East | Newcastle |
| 1969 | Laramie | - |
| 1968 | Powell | - |
| 1967 | Powell | - |
| 1966 | Powell | - |
| 1965 | Cheyenne Central | - |
| 1964 | Cheyenne Central | - |
| 1963 | Powell | - |
| 1962 | Rock Springs | - |
| 1961 | Rock Springs | - |
| 1960 | Rock Springs | - |
| 1959 | Natrona | - |
| 1958 | Cheyenne Central | - |
| 1957 | Cheyenne Central | - |
| 1956 | Cheyenne Central | - |
| 1955 | Natrona | - |
| 1954 | Cheyenne Central | - |
| 1953 | Meet canceled | - |
| 1952 | Cheyenne Central | - |
| 1951 | Cheyenne Central | - |
| 1950 | Cheyenne Central | - |
| 1949 | Cheyenne Central | - |
| 1948 | Cheyenne Central | - |
Total team championships
Lander: 32
Laramie: 28
Campbell County: 16
Cheyenne Central: 12
Green River, Powell: 6
Douglas: 5
Cheyenne East, Evanston, Kelly Walsh, Newcastle, Rock Springs, Sheridan: 3
Glenrock, Natrona, Rawlins: 2
Big Piney, Lyman, Thermopolis, Worland: 1