Mr. Mark Dorhout is HMS Middle School Principal and the Curriculum and School Improvement Coordinator for the district. Mr. Dorhout started at HMS in 2004. 2017 is his 14th year at HMS, 18th year of being a principal, and 25th year in education. Before Mr. Dorhout was a principal, he taught middle- and high school science in South Dakota for seven years. Mr. Dorhout went to South Dakota State University, earning bachelor's degrees in Biology and Wildlife and Fisheries Science in 1992. A few years after that, Mr. Dorhout went back to school, earning a master’s degree in educational leadership in 2000 and his Superintendent's endorsement in 2009 from the University of Sioux Falls.