Castlemont High School was founded in 1929 in a medieval-style building.

The motto is "Build on and make thy castles high and fair, rising upward to the skies."

), formerly the northern California championships, and its track team in 1975 Maurice Glass held high school indoor sprint record.

Former School Choir, "The Castleers", whose members in the 1970s toured the world performing a variety of songs that included R&B and gospel.

[4] Notable alumni of Castlemont Senior High School include: