Costanoa students benefit from small class sizes and strong relationships with staff members. We focus on developing the following habits: "Use your mind well. Do the right thing. Work hard." Costanoa has a diverse student population that includes 150 students in grades 10–12. Curricular offerings include English Language Development and special interest courses like garden science, careers, ceramics, and weight training. Costanoa is fully accredited by the Western Association of Schools and Colleges (WASC), and is a member of the Coalition of Essential Schools.
Costanoa is part of the Branciforte Small Schools and resides on the historic Branciforte Small Schools Campus at 840 North Branciforte Avenue, Santa Cruz, California.