East Range Academy of Technology and Science, commonly called ERATS, is a public charter high school located in Eveleth, Minnesota, serving grades 9–12. East Range Academy of Technology and Science, Minnesota Public Charter School #4166, serves students from many Iron Range towns including, but not limited to: Eveleth, Gilbert, Virginia, Mt. Iron, Buhl, Chisholm, Hibbing, Cherry, Biwabik, Aurora, and Hoyt Lakes.