[3] Demographics by ethnicity; 2007–2008[4] South Hills competes in the CIF Southern Section in the Hacienda League.

Prior to the 2014–15 school year South Hills had been a part of the Sierra League.

The arch-rivals of the South Hills athletic teams have changed throughout the years with its membership in different leagues.

In 2017 ABC aired the reality TV special Encore!, starring Kristen Bell, which took place at South Hills High school and reunited eight cast members from the 1997 production of Into the Woods, inviting them to perform it again 20 years later.

The original Cast of Encore included Carrie Commerford, Graham Beightol, Mark-Eugene Garcia, Christy Carson Ratray, Dan Silva, Kait Holbrook, Billy Vitale and Kristen Snowden.