LHHS

LHHS may refer to any of the following high schools:


 * Lyman Hall High School, located in Wallingford, Connecticut
 * Laguna Hills High School, located in Laguna Hills, California
 * La Habra High School, located in La Habra, California
 * Lake Highlands High School, located in Dallas, Texas
 * Lake Howell High School, located in Winter Park, Florida
 * Leo Hayes High School, located in Fredericton, New Brunswick
 * Lake Havasu High School, located in Lake Havasu, Arizona
 * Licking Heights High School, located in Pataskala, Ohio
 * Liberty Hill High School, located in Liberty Hill, Texas
 * Lake Hamilton High School, located in Pearcy, Arkansas