CLHS may refer to:
Schools California Lutheran Academy (formerly California Lutheran High School), Wildomar, California, United States Canyon Lake High School (Texas), Fischer, Texas, United States Cardinal Langley Roman Catholic High School, Middleton, Greater Manchester, England Center Line High School, Center Line, Michigan, United States Central Lafourche High School, Matthews, Louisiana, United States Central Lancaster High School, Lancaster, England Chung Ling High School, George Town, Panang, Malaysia Clear Lake High School (Clear Lake, Iowa), United States Clear Lake High School (Houston, Texas), United States Concordia Lutheran High School (Fort Wayne, Indiana), United States Concordia Lutheran High School (Texas), Tomball, Texas, United States County Line High School, Branch, Arkansas, United States Cold Lake High School, Cold Lake, Alberta, Canada Crean Lutheran High School, Irvine, California, United States Cypress Lake High School, Fort Myers, Florida, United States
Other uses Common Lisp HyperSpec