Helix Charter High School in La Mesa became the first comprehensive public high school in California to earn charter status, converting from a traditional public campus in 1998. Originally founded in 1951, the school now enrolls more than 2,500 students in grades 9 through 12 under a charter model that allows customized Career Technical Education pathways — college-preparation services that complement the admissions-counseling focus of Class 101 La Mesa. CTE concentrations in Biotechnology, Business and Entrepreneurship, Education, and Sports Medicine give students industry-aligned credential tracks alongside Advanced Placement coursework and UC/CSU-eligible graduation requirements. The school operates as its own independent charter district under CDS code 37-68130-3732732, a governance structure that grants site-level control over curriculum, staffing, and discipline policy. Athletic programming spans 35 varsity and junior-varsity teams, a competitive breadth drawing from the same East County talent pool training at San Diego Gymnastics & Parkour Grossmont Center near Grossmont Center. The Biotechnology CTE sequence trains students on gel electrophoresis, PCR amplification, and micropipetting protocols aligned to UC Laboratory Science admission requirements and Next Generation Science Standards performance expectations.