BoardingSchoolReview.com lists 6 boarding schools as Northwest Association of Independent Schools (NWAIS) members, serving 2,868 students. Learn more about the association at Northwest Association of Independent Schools (NWAIS).
Membership data comes from the schools themselves and from published association directories. See all school associations.
Northwest Association of Independent Schools (NWAIS) Member Schools (2026-27)
Gr: 9-12 | PK-12 (day) | 900 students
Student-teacher ratio: 6.5:1
Avg. class size: 11 students
Tuition listed
827 N Tacoma Ave
Tacoma, WA 98403
(253) 284-8603
Gr: 5-12 | PK-12 (day) | 220 students
Student-teacher ratio: 10:1
Avg. class size: 13 students
Acceptance rate: 53%
Tuition listed
20950 SW Rock Creek Road
Sheridan, OR 97378
(503) 843-3521
Gr: 9-12, PG | PK-12, PG (day) | 875 students
Student-teacher ratio: 7:1
Avg. class size: 16 students
Tuition listed
Episcopal
6300 SW Nicol Road
Portland, OR 97223
(503) 768-3115
Gr: 8-12 | PK-12 (day) | 320 students
Student-teacher ratio: 7:1
Avg. class size: 18 students
Acceptance rate: 80%
Tuition listed
5521 East Warm Springs Avenue
Boise, ID 83716
(208) 424-5000
Gr: 9-12 | PK-12 (day) | 405 students
Student-teacher ratio: 6:1
Avg. class size: 15 students
Acceptance rate: 45%
Tuition listed
1 Community School Drive
Sun Valley, ID 83353
(208) 622-3960
Gr: 8-12, PG | 148 students
Student-teacher ratio: 6:1
Avg. class size: 10 students
Acceptance rate: 70%
Tuition listed
120 South 100 West
Mt. Pleasant, UT 84647
(435) 462-1400
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