ThunderRidge High School opened in 1996 and began varsity athletic competition in the 1998–1999 school year. TRHS competes at the 5A level in all athletic sports. ThunderRidge has won 20 state championships in various sports. They have an athletic rivalry with Mountain Vista High School.
Basketball
The girls' basketball team has won four state championships. In 2003 both the boys' and girls' teams won the state championship at the Pepsi Center in Denver, Colorado. In 2021 and 2022, the boys' team won the state championship.
Football
The ThunderRidge football competed in 4A football until the 2007 season and now competes in a 5A schedule. They have won three state titles, in 2001, 2004, and 2005.
Baseball
The ThunderRidge baseball team won their first state championship for 5A in 2004. In 2013 the Grizzlies captured their second state championship with a 2–1 victory over Rocky Mountain High School. Thunder Ridge finished as the only undefeated team in the state tournament that year.
Poms
The ThunderRidge poms team won the 5A state championship in 2017.