Helix High School, in La Mesa, California, is a charter high school built in 1952. It received its charter in 1998. Part of the Grossmont Union High School District, it serves a mid-level socioeconomic community and has a student body of approximately 2,400 pupils. Helix serves parts of La Mesa, Lemon Grove, and Spring Valley; however, as a charter school, all high school students in the state of California are eligible to attend.