Decorah High School is a public high school located in Decorah, Iowa. The school colors are red and royal blue, and the mascot is the Vikings. It is a part of the Decorah Community School District. In addition to Decorah, the census-designated place of Burr Oak is in the district boundary, and therefore the high school's attendance area. Other unincorporated areas in the district include , Freeport, , Highlandville, , and .