For the 2025 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 The Delphian School, Oregon Episcopal School, and Northwest Academy.
The average acceptance rate is 52%, which is lower than the Oregon private high school average acceptance rate of 79%.
33% of private high schools belonging to NWAIS (Northwest Association of Independent Schools) in Oregon are religiously affiliated (most commonly Episcopal).
Top Ranked Private High Schools Belonging to NWAIS (Northwest Association of Independent Schools) in Oregon (2025)
School
Location
Grades
Students
20950 South West Rock Creek Road
Sheridan, OR 97378
(503) 843-3521
Sheridan, OR 97378
(503) 843-3521
Grades: K-12
| 229 students
6300 SW Nicol Road
Portland, OR 97223
(503) 768-3115
Portland, OR 97223
(503) 768-3115
Grades: PK-12
| 866 students
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