For the 2026 school year, there are 6 private high schools belonging to National Association of Independent Schools (NAIS) serving 2,795 students in Oregon. You can also find more schools membership associations in Oregon.
The top-ranked private high schools belonging to National Association of Independent Schools (NAIS) in Oregon include Cascades Academy, The Delphian School, and Oregon Episcopal School.
The average acceptance rate is 46%, which is lower than the Oregon private high school average acceptance rate of 81%.
Top-Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in Oregon (2026)
School
Location
Quick Facts
8825 SW Barnes Road
Portland, OR 97225
(503) 297-1894
Portland, OR 97225
(503) 297-1894
Gr: PK-12 | 784 students Avg. class size: 17 students Sports: 9 | Extracurrculars: 43 Tuition & acceptance rate listed
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
19860 Tumalo Reservoir Road
Bend, OR 97703
(541) 382-0699
Bend, OR 97703
(541) 382-0699
Gr: PK-12 | 256 students Avg. class size: 18 students Sports: 8 | Extracurrculars: 11 Tuition & acceptance rate listed
816 Black Oak Drive
Medford, OR 97504
(541) 773-7877
Medford, OR 97504
(541) 773-7877
Gr: 5-12 | 529 students Avg. class size: 18 students Sports: 13 | Extracurrculars: 16 Tuition listed
Mt. Scott Park Center For Learning
Alternative School
6148 Se Holgate Blvd
Portland, OR 97206
(503) 771-8880
Portland, OR 97206
(503) 771-8880
Gr: 9-12 | 131 students
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