DeKalb High School may refer to several schools in the United States:
DeKalb High School (Illinois), DeKalb, Illinois DeKalb High School (Indiana), Waterloo, Indiana DeKalb High School (Texas), DeKalb, Texas DeKalb County High School, Smithville, Tennessee DeKalb School of the Arts, Atlanta, Georgia Southwest DeKalb High School, DeKalb County, Georgia