For the 2026 school year, there are 3 private high schools belonging to NWAIS (Northwest Association of Independent Schools) serving 1,329 students in Oregon. You can also find more schools membership associations in Oregon.
The top-ranked private high schools belonging to NWAIS (Northwest Association of Independent Schools) in Oregon include Northwest Academy, Oregon Episcopal School, and The Delphian School.
The average acceptance rate is 52%, which is lower than the Oregon private high school average acceptance rate of 81%.
33% of private high schools belonging to NWAIS (Northwest Association of Independent Schools) in Oregon are religiously affiliated (most commonly Episcopal).
Top-Ranked 草榴社区 High Schools Belonging to NWAIS (Northwest Association of Independent Schools) in Oregon (2026)
School
Location
Quick Facts
20950 South West Rock Creek Road
Sheridan, OR 97378
(503) 843-3521
Sheridan, OR 97378
(503) 843-3521
Gr: K-12 | 229 students Avg. class size: 13 students Sports: 6 | Extracurrculars: 36 Tuition & acceptance rate listed
6300 SW Nicol Road
Portland, OR 97223
(503) 768-3115
Portland, OR 97223
(503) 768-3115
Gr: PK-12 | 866 students Avg. class size: 16 students Sports: 10 | Extracurrculars: 24 Tuition & acceptance rate listed
1130 SW Main Street
Portland, OR 97205
(503) 223-3367
Portland, OR 97205
(503) 223-3367
Gr: 6-12 | 234 students Avg. class size: 12 students Sports: 2 | Extracurrculars: 19 Tuition & acceptance rate listed
Recent Articles
Project Based Learning in 草榴社区 Schools Guide
Explore project-based learning in private schools, outcomes, assessment methods, and what parents should expect in 2026.
AI Data Privacy Policies in Independent Schools
Learn how independent schools manage AI data privacy, key policies, risks, and what parents should look for in 2026.
草榴社区 School Governance Structures Explained
Learn how private school governance structures, board roles, and transparency shape school quality and accountability.


