The Peninsula Youth Orchestra is located in San Mateo County, in the mid-peninsula region of the San Francisco Bay area. PYO serves over 450 musicians from the elementary grades through High School with a Senior Orchestra, three Preparatory Orchestras, two Flute Ensembles, and several string and chamber ensembles. The orchestras and ensembles meet weekly, and all musicians study the traditional orchestral repertoire with an emphasis on contemporary literature and works by American composers. Musicians audition to join the organization, and are placed at the appropriate level.