Sunnyside High School, opened in 1955, is home to two thousand students located on the south side of Tucson, Arizona.

The school was forced to change after the university learned of this use when Sunnyside played a championship game at ASU's Sun Devil Stadium.

Athletic teams are fielded in boys volleyball, baseball, basketball, cheerleading, cross country, football, golf, soccer, softball, tennis, track and field, volleyball, wrestling, and swimming.Their Girl's basketball team won region in the 2023/24 season and was ranked #1 in the 6a state division.

The varsity football team was featured on the Great American Rivalries Series in 2009 against Salpointe Catholic High School.

Two faculty members have been recognized as Arizona Teacher of the Year, Marguerite Johnson Caldwell in 1983 and Rich Mayorga in 2003.