At the Architectural Foundation of San Francisco's (AFSF) Build San Francisco Institute, students join instructors in an architecture studio to work on projects centered in a major San Francisco construction project. High school juniors and seniors earn credit in two classes: Environmental Science and Architecture and Design. Two afternoons each week, students meet with professionals on a one-to-one basis to discuss their projects. Classes are held in the AFSFstudio located at 901 Mission Street.