Centennial Regional High School (CRHS) is a co-educational comprehensive public high school located in the Greenfield Park borough of Longueuil, Quebec, Canada, a suburb of Montreal. It was opened in 1972 and named to commemorate the centennial anniversary of Canada's confederation. More than 300 students graduate each year. The school's student body is culturally diverse. In the 2011-2012 year, the school adopted a house system in an attempt to raise school spirit.