California Schools
- Colfax High School
- Coliseum College Prep Academy
- College Nine
- College Park High School
- College Track
- College Of Alameda
- College Of Creative Studies
- College Of Marin
- College Of Osteopathic Medicine Of The Pacific
- College Of San Mateo
- College Of The Canyons
- College Of The Desert
- College Of The Redwoods
- College Of The Sequoias
- College Of The Siskiyous
- Collins College Of Hospitality Management
- Colony High School
- Colton High School
- Colton Joint Unified School District
- Columbia College
- Columbia College Hollywood
- Columbia Elementary School District
- Columbia School District
- Columbus Tustin Middle School
- Colusa High School
- Colusa Unified School District
- Commodore Sloat School
- Communitas Charter High School
- Community Christian College
- Community Economic Justice Clinic
- Community Harvest Charter School
- Community School Of Music And Arts At Finn Center
- Compton College
- Compton Community College District
- Compton High School
- Compton Unified School District
- Computech Middle School
- Concord High School
- Concord High School
- Concordia University Irvine
- Conejo Valley Adult School
- Conejo Valley Unified School District
- Conley Caraballo High School
- Conservatory Of Music, University Of The Pacific
- Consumer Justice Clinic
- Contra Costa College
- Contra Costa Community College District
- Convent Of The Sacred Heart Elementary School
- Convent Of The Sacred Heart High School
- Cooper Academy
- Copper Mountain College
- Cordova High School
- Cornel School Of Contemporary Music
- Cornelia Connelly High School
- Cornerstone Christian School
- Cornerstone At Pedregal Elementary
- Corning Union Elementary School District
- Corona High School
- Corona Del Mar High School
- Corona Norco Unified School District
- Coronado High School
- Coronado School Of The Arts
- Coronado Unified School District
- Corvallis High School
- Costa Mesa High School
- Cosumnes Oaks High School
- Cosumnes River College
- Cotati Rohnert Park Unified School District
- Coursera
- Covina High School
- Covina Valley Unified School District
- Cowell College
- Crafton Hills College
- Credo High School
- Crenshaw High School
- Crescenta Valley High School
- Crespi Carmelite High School
- Crestmoor High School
- Cristo Rey High School
- Crocker Middle School
- Crossroads Christian School
- Crossroads School For Arts & Sciences
- Crown College, University Of California, Santa Cruz
- Crowne Hill Elementary School
- Crystal Middle School
- Crystal Springs Uplands School
- Cucamonga School District
- Cuddeback Union School District
- Cuesta College
- Culinary Institute Of America At Copia
- Culinary Institute Of America At Greystone
- Culver City Academy Of Visual And Performing Arts
- Culver City High School
- Culver City Unified School District
- Cupertino High School
- Cupertino Union School District
- Curtis Creek School District
- Curtiss Wright Technical Institute
- Cutler Orosi Joint Unified School District
- Cutten Elementary School District