Sheldon High School athletic teams compete in the
OSAA 6A-7 Southwest Conference (excluding football which competes in 6A-SD1). The athletic director is Ricky Rodriguez and the athletics secretary is Kristi Savage. • Baseball: 2013, 2015 • Boys Basketball: 1992 • Boys Golf: 2005, 2006 • Boys Soccer: 2002† • Boys Swimming: 1975, 1986, 1987, 1988, 1991, 1993, 1996, 1999 • Boys Track and Field: 2009, 2016, 2024 • Boys Tennis: 1971†, 1972†, 2001 • Cheerleading: 2004 • Dance/Drill: 2002, 2008, 2009, 2017, 2023 (6A Jazz), 2023 (Kick) • Football: 2002, 2007, 2009, 2012 • Girls Golf: 2013 • Girls Soccer: 2003, 2004 • Girls Swimming: 1997, 1998, 2000 • Girls Track and Field: 1968 • Girls Tennis: 1993 • Softball: 2019, 2023, 2024 • Volleyball: 2022
Athletic awards Sheldon High School won the Oregonian Cup, an OSAA award for "overall school excellence in academics, activities, athletics and sportsmanship," in the 2001-2002 and 2002–2003 school years. ==Student media==