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
- Florida
- Georgia
- Idaho
- Illinois
- Indiana
- Kentucky
- Massachusetts
- Michigan
- Mississippi
- New Mexico
- Pennsylvania
- Texas
- Virginia
- Washington State
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