CLS

CLS may refer to:

Academic fields

 * Critical legal studies, school of legal philosophy
 * Constrained least square statistical estimator
 * CLs method to set bounds on particle physics model parameters
 * The .cls file extension, used to hold LaTeX manuscripts - see LaTeX § Compatibility and converters

Education

 * California Labor School, San Francisco, US 1942–57
 * City of London School, UK
 * Covington Latin School, Kentucky, US
 * Crystal Lake South High School, Illinois, US
 * Chicago Law School at The University of Chicago, US
 * Columbia Law School at Columbia University, US
 * Cornell Law School at Cornell University, US
 * Coalition of Latino and Latina Scholars at Teachers College, Columbia University, US
 * Critical Language Scholarship Program of the US State Department

Societies and associations

 * Caribbean Labour Solidarity, based in London, UK
 * Chicago Linguistic Society
 * Christian Legal Society
 * Communist League of Struggle, US, 1931-1937

Software and technology

 * Cable landing station, where a submarine cable comes ashore
 * Common Language Specification, Microsoft
 * CLS (command) to clear computer screen in several environments
 * CLS (CONFIG.SYS directive), in DR-DOS
 * Creative Lighting System, in Nikon speedlights

Medical and science

 * Computational Science, an academical research discipline
 * Canadian Light Source, a synchrotron light source
 * Clinical laboratory science, another name for Medical Technology or Medical Laboratory Science
 * Combat lifesaver, US non-medical military role

Music

 * City of London Sinfonia
 * CLS Music, a record label

Transportation and vehicles

 * Capsule launch system for space capsules
 * Mercedes-Benz CLS-Class, automobile models

Business and finance

 * CLS Group, a global financial market utility
 * Celestica, New York Stock Exchange symbol
 * CLS Communication, translation services
 * CLS Holdings, UK investment company
 * Core Labor Standards, ILO