Check out who we are!

Cotter Schools, located in Winona, Minnesota, USA, is comprised of Cotter Junior High and Cotter High School. We serve motivated and engaged students in grades 5 through 12. We offer both a day student program and a residential/boarding student program. Over 500 students from the city of Winona, the towns surrounding Winona, and from over 14 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!

Overview/Student Body

  • School focus: college prep
  • Founded: 1911
  • Accredited by AdvancEd
  • Serves grades 5-12, co-ed
  • Enrollment: 2019/2020 - 382 students
  • Percent international/boarding students: 25%
  • Religious affiliation: Catholic, serving persons of all faiths
  • Campus size: 45 acres (18 hectares)

Classes Offered


  • 32 qualified, committed teachers
  • Advanced degrees: 82%
  • Average class size: 17
  • Student: Teacher ratio: 11:1

Graduation Requirements

Athletics and Activities

Test Scores

  • 10 AP scholars (6 with AP National, Honor, or Distinction)
  • ACT scores: average composite score of graduating seniors who took the exam = 23.4 (max. 36)
  • SAT scores: average composite score of graduating seniors who took the exam = 1227 (max. 1600)
  • High College Readiness Score (as reported by ACT)
  • Toefl testing center on campus
  • Use of WIDA - standardized testing tool to measure English language proficiency

Student Matriculation

Arizona State University
Auburn University
Augsburg College
Beloit College
Bethel University
Boston University
Carleton College
Chinese University of Hong Kong
College of San Mateo
College of St. Benedict
Emest Mario School of Pharmacy at Rutgers
Emory University
Enlist in the U.S. Army
Gustavus Adolphus College
Hawai’i Pacific University
Iowa State University
Johns Hopkins University
Lawrence University
Luther College
Michigan State University
Ohlone College
Pennsylvania State University 
Princeton University

Rutgers The State University of New Jersey
St. Catherine University
St. John's University
Saint Mary’s University of Minnesota
St. Cloud State University
Syracuse University
Texas Christian University
University of California-Berkeley 
University of California-Davis
University of California-San Diego
University of Iowa 
University of Massachusetts-Amherst
University of Minnesota-Duluth
University of Minnesota-Twin Cities
University of St. Thomas
University of Texas-Austin
University of Washington
University of Wisconsin-Eau Claire
University of Wisconsin-Madison
Viterbo University
Wartburg College
Washington State University
Winona State University