For the 2025-26 school year, there are 4 college-prep and junior boarding schools serving 1,667 students located throughout Oregon.
You can also browse our full boarding school directory or specify additional search criteria.
Top Oregon Boarding Schools (2025-26)
School
Location
Quick Facts
20950 SW Rock Creek Road
Sheridan, OR 97378
(503) 843-3521
Sheridan, OR 97378
(503) 843-3521
Gr: 5-12 | PK-12 (day) | 220 students Student-teacher ratio: 12:1 Avg. class size: 13 students Acceptance rate: 53% Tuition listed
Oregon Episcopal School![Oregon Episcopal School Photo - Since 1869, our mission has been to inspire intellectual, physical, social, emotional, artistic, and spiritual growth so that students realize their power for good as citizens of local and world communities.]( "Oregon Episcopal School Photo - Since 1869, our mission has been to inspire intellectual, physical, social, emotional, artistic, and spiritual growth so that students realize their power for good as citizens of local and world communities.")
(Episcopal)
6300 SW Nicol Road
Portland, OR 97223
(503) 768-3115
Portland, OR 97223
(503) 768-3115
Gr: 9-12, PG | PK-12, PG (day) | 875 students Student-teacher ratio: 7:1 Avg. class size: 14 students Tuition listed
St. Mary's School![St. Mary's School Photo]( "St. Mary's School Photo")
(Catholic)
816 Black Oak Drive
Medford, OR 97504
(541) 773-7877
Medford, OR 97504
(541) 773-7877
Gr: 6-12 | 5-12 (day) | 504 students Student-teacher ratio: 10:1 Avg. class size: 15 students Tuition listed
59550 East Highway 26
Sandy, OR 97055
(503) 622-8931
Sandy, OR 97055
(503) 622-8931
Gr: 7-12, PG | 68 students Student-teacher ratio: 15:1 Avg. class size: 15 students Acceptance rate: 100% Tuition listed
Frequently Asked Questions
How many boarding schools are located in Oregon?
There are 4 college-preparatory boarding schools located in Oregon.
What is the average tuition cost of boarding school in Oregon?
The average Oregon boarding school tuition cost is $66,488 per year.
What is the oldest boarding school in Oregon?
St. Mary's School, founded in 1865, is the oldest boarding school in Oregon.
What boarding school in Oregon has the lowest acceptance rates?
Delphian School has the lowest boarding school acceptance rate (53%) in Oregon.
What boarding school in Oregon has the highest average SAT scores?
St. Mary's School has the highest average SAT scores (1320) in Oregon.
Recent Articles
Why Boarding School Review Doesn’t Rank Schools (2025)
Discover why there are no universal boarding school rankings – and learn how to find the best fit instead, with up-to-date insights for 2025.
Safety and Security in Today’s Boarding Schools: What Parents Need to Know
Learn how boarding schools manage safety, emergency protocols, and security and what parents should expect in 2025.
Types of Boarding Schools in 2025: Therapeutic, Arts & Hybrid
Explore the latest in boarding school choice: therapeutic, arts, and hybrid boarding schools in 2025. Understand costs, risks, and opportunities.