- Welcome to Auburn Elementary! Where tomorrow's seeds are planted. 445 North 5th St. Auburn, Illinois U.S.A. 62615 Auburn Elementary School is located in Auburn, Illinois a small community of 4, 400 people approximately 15 miles south of Springfield. Our enrollment is almost 500 in grades Pre- kindergarten through four. Auburn Elementary School Mission The mission of Auburn Elementary School is to ...sangamon.k12.il.us/auburn