Calais Middle/High School is a public middle and high school located in Calais, Maine. CMHS provides education for grades 7th to 12th. Calais Middle/High School is accredited by the New England Association of Secondary Schools. Students at CMHS will gain the skills and knowledge they will need to lead successful post secondary education and employment careers. Students at CMHS also have the opportunity to participate in a number of sports and extra curricular activities.