Past winners of the Oregon High School Mock Trial Competition:
- 2024 – West Linn High School (West Linn)
- 2023 – Lincoln High School (Portland)
- 2022 – Village Home (Beaverton)
- 2021 – Southridge High School (Beaverton)
- 2020 – West Linn High School (West Linn)
- 2019 – West Linn High School (West Linn)
- 2018 – Lincoln High School (Portland)
- 2017 – St. Mary’s Academy (Portland)
- 2016 – West Linn High School (West Linn)
- 2015 – Village Home School (Beaverton)
- 2014 – West Linn High School (West Linn)
- 2013 – St. Mary’s Academy (Portland)
- 2012 – Jesuit High School (Portland)
- 2011 – Catlin Gabel School (Portland)
- 2010 – Catlin Gabel School (Portland)
- 2009 – West Linn High School (West Linn)
- 2008 – West Salem High School (Salem)
- 2007 – West Linn High School (West Linn)
- 2006 – La Salle Prep (Milwaukie)
- 2005 – Riverdale High School (Portland)
- 2004 – Catlin Gabel School (Portland)
- 2003 – Lincoln High School (Portland)
- 2002 – Lincoln High School (Portland)
- 2001 – Catlin Gabel School (Portland)
- 2000 – South Salem High School (Salem)
- 1999 – Grant High School (Portland)
- 1998 – Lake Oswego High School (Lake Oswego)
- 1997 – Lake Oswego High School (Lake Oswego)
- 1996 – South Salem High School (Salem)
- 1995 – Lincoln High School (Portland)
- 1994 – Oregon Episcopal School (Portland)
- 1993 – Grant High School (Portland)
- 1992 – Parkrose High School (Portland)
- 1991 – Sam Barlow High School (Gresham)
- 1990 – Sprague High School (Salem)
- 1989 – Lincoln High School (Portland)
- 1988 – Girls State Team
- 1987 – Lake Oswego High School (Lake Oswego)