The mission of the SDHS AA is:
- to promote the interest and welfare of San Diego High School through membership therein of former students and graduates;
- to inspire, develop and maintain the interest of Alumni of the High School;
- to foster planning for and support to the High School and/or the SDHS AA;
- to maintain close cooperation among SDHS AA officers and administrators, faculty and staff of San Diego High School;
- and to establish a way through which the SDHS AA may support and advance the pursuit of excellence in education of students at San Diego High School.