In just eleven years, Sierra Canyon School has established itself as one of the premiere small-school high school athletic programs in California. Sierra Canyon has won eight State Championships and ten CIF-SS Championships along with seven additional CIF-SS Final appearances. In the 2016 fall season, the Trailblazers won the CIF-SS Division 4 Championship in Football and won its first ever CIF-SS Championship in Girls Volleyball.  During the winter, the Trailblazers won their third ever CIF-SS soccer championship and second regional championship.   The Trailblazers compete in the Gold Coast League, where they have won 36 League titles.

The 2016-2017 school year was extremely successful as the Trailblazers won a school record eight league titles (football, girls volleyball, boys basketball, girls soccer, lacrosse, golf and softball.) The previous record was in 2015 when the Trailblazers won six league titles..

Sport League Runnerup Regional CIF-SS State
Football 2008, 2011, 2015, 2016 2011, 2016 2011, 2015, 2016 2011, 2016
Girls' Volleyball 2008, 2010, 2011, 2013, 2015, 2016 2010, 2011, 2015 2016, 2017
Boys' Basketball 2010, 2014, 2015, 2016, 2017 2010, 2016 2015 2011 2015
Girls' Basketball 2008, 2009, 2015 2013, 2014, 2015 2009, 2013 2013, 2014, 2015
Girls' Soccer 2011, 2012, 2013, 2014, 2015, 2016, 2017 2012 2015, 2017 2011, 2015, 2017
Baseball 2012, 2014, 2015 2014
Lacrosse 2015, 2016, 2017
Girls' Beach Volleyball 2016
Swimming Parks (6), Biondi (4), Umbay, D (2), Johnson (1)
Golf 2017
Softball 2017 2017