Every California high school.

Butterfield Charter

C. K. McClatchy High

CATCH Prep Charter High Inc.

CHAMPS - Charter HS of Arts-Multimedia & Performing

CORE Butte Charter

CORE Charter

Cabrillo High

Cabrillo High

Cabrillo Point Academy

Cajon High

Calabasas High

Calaveras High

Calexico High

California Academy of Mathematics and Science

California City High

California Connections Academy Central Coast

California Connections Academy Central Valley

California Connections Academy Monterey Bay

California Connections Academy North Bay

California Connections Academy Northern California

California Connections Academy Southern California

California High

California High

California Innovative Career Academy

California Military Institute

California Pacific Charter - San Diego

California Pacific Charter - Sonoma

California Pacific Charter- Los Angeles

California School of the Arts - San Gabriel Valley

California Virtual Academy @ Los Angeles

California Virtual Academy @ San Diego

California Virtual Academy @ San Joaquin

California Virtual Academy @ Sonoma

California Virtual Academy San Mateo

California Virtual Academy at Fresno

California Virtual Academy at Kings

California Virtual Academy at Maricopa

California Virtual Academy at Sutter

Calipatria High

Calistoga Junior/Senior High

Camarillo Academy of Progressive Education

Camino Nuevo High #2

Campolindo High

Canoga Park Senior High

Canyon Crest Academy

Canyon High

Canyon High

Canyon Hills High

Canyon Springs High