Grover Middle School (disambiguation)United StatesGlen Mills Schools, a reformatory, Delaware County, PennsylvaniaGlenridge Middle School, in Winter Park, FloridaGreen Middle School, in Green, OhioNoel Grisham Middle School, in the Anderson Mill community, TexasUnited KingdomGreat Marlow School, in Marlow, Buckinghamshire
Other
An abbreviation of gramGaelic Media Service, a Scottish media organisationGeorge Martin Stephen (born 1949), a British headmaster and authorGeographic Messaging Service, a location-based mobile messaging serviceGeneral medical services, the contract under which NHS general practitioners workGlobalization Management System, a type of software for automating human language translationGlobal MapleStory, the north american version of a multiplayer online role-playing gameGlycerol monostearate, a type of emulsifierGMS (music group) the psychedelic trance music group, also known as Growling Mad ScientistsGMS (software), groundwater simulation softwareGömöri methenamine silver stain, histological stain used to identify fungi by staining of the cell wallsGreater Mekong Subregion, a region that includes nations and territories located in Mekong River basin