LCHS may refer to:
Lady Commander of the Order of the Holy Sepulchre, a Catholic chivalric order Little Compton Historical Society, a non-profit organization in Little Compton, Rhode Island, United States
Secondary schools Canada Laval Catholic High School (renamed Laurier Senior High School) - Laval, Quebec (Montreal area) Luther College High School – Regina, Saskatchewan
United Kingdom England Lincoln Christ's Hospital School - Lincoln, Lincolnshire Lincolnshire Community Health Services London Central High School, a component of London Central Elementary High School, a United States Department of Defense Dependents School (DoDDS) school
United States Alabama Lauderdale County High School - Rogersville California La Cañada High School Laguna Creek High School Florida Liberty County High School Georgia Lanier County High School Idaho Lake City High School Illinois Lakes Community High School Limestone Community High School Lincoln Community High School Indiana Lake Central High School Lawrence Central High School Kentucky Lee County High School Lexington Catholic High School Massachusetts Lynn Classical High School Michigan Lansing Catholic High School Mississippi Leflore County High School New Mexico Las Cruces High School Pennsylvania Lancaster Catholic High School Lansdale Catholic High School Texas Lakeview Centennial High School Lamar Consolidated High School Virginia Louisa County High School Washington State Lynden Christian High School