Cotter Schools, located in Winona, Minnesota, USA, is comprised of Cotter Junior High and Cotter High School. We serve motiva ... ted and engaged students in grades 7 through 12. Over 300 students from the city of Winona, the towns surrounding Winona, and from over 12 countries around the world engage in rigorous academic study, faith-centered experiences, and personally enriching athletic and arts activities - all with one goal in mind: that each student discover and develop his or her fullest potential! read more