RAHS may refer to: Royal Australian Historical Society Royal Agricultural and Horticultural Society of South Australia Schools Raisbeck Aviation High School in Tukwila, Washington, United States Redwood Alternative High School in Castro Valley, California, United States Reedsburg Area High School in Reedsburg, Wisconsin, United States Rio Americano High School in Sacramento, California, United States Roald Amundsen High School in Chicago, Illinois, United States Robbinsdale Armstrong High School in Plymouth, Minnesota, United States Rochester Adams High School in Rochester Hills, Michigan, United States Rochester Area High School (Pennsylvania) in Rochester, Pennsylvania, United States Rosario Advent High School in Rosario, Batangas Philippines Roseville Area High School in Roseville, Minnesota, United States Roussin Academy High School in Montreal, Quebec, Canada See also Rah (disambiguation)