Dutch Fork High School is a school in the Lexington & Richland County School District Five system, located in Irmo, South Carolina, United States. In 2009 it had approximately 1,956 students.Built to contain no more than about 1,600 students, it has been expanded to accommodate a little over 1,900, and has faced severe overcrowding. Portable classrooms have been installed for the 2005-2006 school year.