'''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
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