The International School of Minnesota (ISM) Photo - Front Entrance to ISM. Our school is part of a global network of schools (SABIS), with schools in 20 countries and a 130+ year history!

Best Minnesota Boarding Schools (2026)

For the 2026 school year, there are 7 college-prep and junior boarding schools serving 2,256 students located throughout Minnesota.

Top Minnesota Boarding Schools (2026)

School
Location
Quick Facts
Cotter Schools
Cotter Schools Photo
(Catholic)
1115 West Broadway Street
Winona, MN 55987
(507) 453-5102
Gr: 7-12 | PK-12 (day) | 450 students Student-teacher ratio: 13:1 Avg. class size: 16 students Acceptance rate: 93% Tuition listed
Hillcrest Lutheran Academy
Hillcrest Lutheran Academy Photo - Hillcrest started in 1916 out of the Bible school movement in America at the turn of the century. For the past 100 years Hillcrest has served families from nearly every continent and throughout the United States with a comprehensive boarding school program that disciples students and equips them for their next stages in life.
(Christian)
(5)
610 Hillcrest Dr.
Fergus Falls, MN 56537
(218) 739-3371
Gr: 10-12 | PK-12 (day) | 200 students Student-teacher ratio: 10:1 Avg. class size: 13 students Acceptance rate: 70% Tuition listed
6385 Beach Rd
Eden Prairie, MN 55344
(952) 918-1800
Gr: 8-12 | PK-12 (day) | 320 students Student-teacher ratio: 10:1 Tuition listed
Marshall School
Marshall School Photo - The beautiful 42-acre campus provides outdoor learning, recreation, and incredible views of Lake Superior, the world's largest natural lake.
(2)
1215 Rice Lake Rd
Duluth, MN 55811
(218) 727-7266
Gr: 8-12 | K-12 (day) | 456 students Student-teacher ratio: 10:1 Avg. class size: 15 students Tuition listed
315 South Grove Avenue
Owatonna, MN 55060
(507) 214-2200
Gr: 6-12 | 50 students Student-teacher ratio: 5:1 Acceptance rate: 85% Tuition listed
St. Croix Academy
St. Croix Academy Photo - St. Croix's lakeside family-style dormitory was built in 2015 and is located on a beautiful lake with walkways to the Mississippi River and within walking distance of over 50 shops and restaurants.
(Christian)
1200 Oakdale Ave.
St. Paul, MN 55118
(651) 455-1521
Gr: 6-12 | 500 students Student-teacher ratio: 13:1 Avg. class size: 20 students Tuition listed
Saint John's Preparatory School
Saint John's Preparatory School Photo - We are located on 2900 of woodlands and lakes in Collegeville, MN
(Catholic)
2280 Watertower Road
Collegeville, MN 56321
(320) 363-3315
Gr: 9-12, PG | 6-12, PG (day) | 280 students Student-teacher ratio: 11:1 Avg. class size: 18 students Acceptance rate: 88% Tuition listed

Frequently Asked Questions

How many boarding schools are located in Minnesota?
There are 7 college-preparatory boarding schools located in Minnesota.
What is the average tuition cost of boarding school in Minnesota?
The average Minnesota boarding school tuition cost is $34,616 per year.
What is the oldest boarding school in Minnesota?
Saint John's Preparatory School, founded in 1857, is the oldest boarding school in Minnesota.
What boarding school in Minnesota has the lowest acceptance rates?
Hillcrest Lutheran Academy has the lowest boarding school acceptance rate (70%) in Minnesota.
What boarding school in Minnesota has the highest average SAT scores?
Saint John's Preparatory School has the highest average SAT scores (1373) in Minnesota.
Which boarding schools in Minnesota are often viewed compared to one another?
Popular comparisons of boarding schools in Minnesota include: Marshall School vs. The International School of Minnesota (ISM)

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