For the 2026 school year, there are 2 college-prep and junior boarding schools serving 860 students located throughout Idaho.
You can also browse our full boarding school directory or specify additional search criteria.
Top Idaho Boarding Schools (2026)
School
Location
Quick Facts
5521 East Warm Springs Avenue
Boise, ID 83716
(208) 424-5000
Boise, ID 83716
(208) 424-5000
Gr: 8-12 | PK-12 (day) | 425 students Student-teacher ratio: 7:1 Avg. class size: 18 students Acceptance rate: 80% Tuition listed
1 Community School Drive
Sun Valley, ID 83353
(208) 622-3960
Sun Valley, ID 83353
(208) 622-3960
Gr: 9-12 | PK-12 (day) | 435 students Student-teacher ratio: 6:1 Avg. class size: 15 students Acceptance rate: 30% Tuition listed
Frequently Asked Questions
How many boarding schools are located in Idaho?
There are 2 college-preparatory boarding schools located in Idaho.
What is the oldest boarding school in Idaho?
Sun Valley Community School, founded in 1973, is the oldest boarding school in Idaho.
Recent Articles
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: 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
Learn how boarding schools assign dorm rooms, faculty advisors, and class schedules, and what families should expect before move-in day.