1931 Rockford High School, Page 22: Ralph Phillip Cleveland, Luella Frances Cogswell, Jane Collins, Hazel Ellen Colloton, Helen Marie Colloton, Arthur Bailey Colvin,
Shirley Frances Conger, Richard Sydney Congleton, Loween Elizabeth Conklin, Mildred Fern Cridlebaugh, Clarence Woodrow Crippen, Myrtle Cromwell.