ECHS may refer to:
Schools Canada Edmonton Christian High School, Edmonton, Alberta
United States East Catholic High School, Manchester, Connecticut East Central High School (disambiguation), Tulsa, Oklahoma East Chambers High School, Winnie, Texas East Coweta High School, Coweta County, Georgia Eastern Christian High School, North Haledon, New Jersey Effingham County High School, Effingham County, Georgia El Camino High School (disambiguation) El Capitan High School, Lakeside, California El Cerrito High School, El Cerrito, California Elkhart Central High School, Elkhart, Indiana Elyria Catholic High School, Elyria, Ohio Environmental Charter High School, Lawndale, California Escondido Charter High School, Escondido, California Essex Catholic High School, Newark and East Orange, New Jersey
Other uses Early college high school, programs that allow students to obtain college credit while in high school ECHS1 (Enoyl Coenzyme A hydratase), a human gene Ex-servicemen Contributory Health Scheme (ECHS); see Military Hospital, Hisar Extended cylinder-head-sector) block, a translation scheme for data storage