| Year | Boys | Girls |
|---|---|---|
| 2021 | Sheridan | Campbell County |
| 2020 | Sheridan | Cheyenne Central |
| 2019 | Sheridan | Laramie |
| 2018 | Laramie | Cheyenne Central |
| 2017 | Campbell County | Campbell County |
| 2016 | Cheyenne Central | Campbell County |
| 2015 | Natrona | Campbell County |
| 2014 | Natrona | Campbell County |
| 2013 | Kelly Walsh | Campbell County |
| 2012 | Cheyenne Central | Cheyenne East |
| 2011 | Cheyenne East | Campbell County |
| 2010 | Sheridan | Cheyenne Central |
| 2009 | Campbell County | Cheyenne Central |
| 2008 | Campbell County | Cheyenne Central |
| 2007 | Cheyenne Central | Cheyenne Central |
| 2006 | Cheyenne Central | Cody |
Total team championships, boys
Cheyenne Central, Sheridan: 4
Campbell County: 3
Natrona: 2
Cheyenne East, Kelly Walsh, Laramie: 1
Total team championships, girls
Campbell County: 7
Cheyenne Central: 6
Cheyenne East, Cody, Laramie: 1