Every California high school.

Chowchilla Union High

Christopher High

Chula Vista Learning Community Charter

Chula Vista Senior High

Circle of Independent Learning

Citrus Hill High

Citrus Springs Charter

Citrus Valley High

City Arts & Leadership Academy

City Heights Preparatory Charter

City Honors International Preparatory High

Clairemont High

Claremont High

Clarksburg Middle

Clarksville Charter

Classical Academy High

Clayton Valley Charter High

Clear Lake High

Clear Passage Educational Center

Cloverdale High

Clovis East High

Clovis High

Clovis North High

Clovis Online Charter

Clovis West High

Coachella Valley High

Coalinga High

Coast Union High

Coastal Academy Charter

Cobalt Institute of Math and Science

Cold Springs High

Coleville High

Colfax High

Coliseum College Prep Academy

College Bridge Academy

College Park High

College and Career Preparatory Academy

Collegiate Charter High School of Los Angeles

Colony High

Colton High

Colusa High

Come Back Butte Charter

Come Back Charter

Communication and Tech at Diego Rivera Lrng Complex

Community Collaborative Charter

Community Outreach Academy

Compass Charter School of Yolo

Compass Charter Schools of Los Angeles

Compass Charter Schools of San Diego