Best Minnesota Boarding Schools (2026)

For the 2026 school year, there are 6 college-prep and junior boarding schools serving 2,056 students located throughout Minnesota.
Pillsbury College Prep
St. Croix Academy
Cotter Schools
Saint John's Preparatory School
The International School of Minnesota (ISM)

Top Minnesota Boarding Schools (2026)

School
Location
Quick Facts
Cotter Schools
Cotter Schools Photo
(Catholic, serving persons of all faiths)
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: 18 students Acceptance rate: 93% Tuition listed
6385 Beach Rd
Eden Prairie, MN 55344
(952) 918-1800
Gr: 8-12 | Pre-K-12 (day) | 320 students Student-teacher ratio: 1:10 Tuition listed
Marshall School
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
Pillsbury College Prep
Pillsbury College Prep Photo
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.
(Wisconsin Evangelical Lutheran Synod (WELS) or the Evangelical Lutheran Synod (ELS))
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
(Catholic Benedictine tradition)
2280 Watertower Road
Collegeville, MN 56321
(320) 363-3315
Gr: 9-12, PG | 6-12, PG (day) | 280 students Student-teacher ratio: 1:11 Avg. class size: 18 students Acceptance rate: 88% Tuition listed

Frequently Asked Questions

How many boarding schools are located in Minnesota?
There are 6 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 $38,223 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?
Pillsbury College Prep has the lowest boarding school acceptance rate (85%) 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.

Recent Articles

What Happens During School Breaks for Boarding Students Who Stay on Campus
What Happens During School Breaks for Boarding Students Who Stay on Campus
Learn what happens during school breaks for boarding students who remain on campus, including housing, meals, activities, supervision, and support services.
A Day in the Life of a Dorm Parent: Inside Residential Faculty Life
A Day in the Life of a Dorm Parent: Inside Residential Faculty Life
A day in the life of a dorm parent: how residential faculty support, mentor, supervise, and guide students while building community and shaping the boarding school experience.
How Boarding Schools Assign Dorms, Advisors & Schedules
How Boarding Schools Assign Dorms, Advisors & Schedules
Learn how boarding schools assign dorm rooms, faculty advisors, and class schedules, and what families should expect before move-in day.

Featured Schools

Filter Schools

Boarding / Day
Gender
School Focus
School Size
Junior Boarding
Scholarship
Religious Affiliation

Featured Schools

Quick Links