The athletic facilities include Taper Gymnasium, used for volleyball and basketball as well as final exams; Hamilton Gymnasium, the older gymnasium still used for team practices and final exams; Copses Family Pool, a 50-meter Olympic size facility with a team room and stadium for viewing events for the aquatics program; and Ted Slavin Field, which features an artificial FieldTurf surface and a synthetic track and is used for football, soccer, track & field, lacrosse, and field hockey.Branson-Potts, Hailey (November 4, 2014) "Harvard-Westlake School's plan for parking structure upsets neighbors" Los Angeles Times In 2007, lights were added to Ted Slavin Field. The school also maintains an off-campus baseball facility, the O'Malley Family Field, in Encino, California.
