For the 2025 school year, there are 6 private high schools belonging to National Association of Independent Schools (NAIS) serving 2,793 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 Catlin Gabel School, The Delphian School, and Oregon Episcopal School.
The average acceptance rate is 48%, which is lower than the Oregon private high school average acceptance rate of 84%.
Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) 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
816 Black Oak Drive
Medford, OR 97504
(541) 773-7877
Medford, OR 97504
(541) 773-7877
Grades: 5-12
| 529 students
Mt. Scott Park Center For Learning
Alternative School
6148 Se Holgate Blvd
Portland, OR 97206
(503) 771-8880
Portland, OR 97206
(503) 771-8880
Grades: 9-12
| 131 students
Recent Articles

A Parent's Guide To Understanding High School Teaching Methods
This comprehensive guide helps parents navigate the various teaching methods used in today's high school classrooms. By understanding these approaches, you'll be better equipped to support your teen's learning journey, communicate effectively with teachers, and create a complementary learning environment at home.

February 08, 2025
Social Emotional Learning: Education's Hidden SymphonyA musician's perspective on Social Emotional Learning reveals how this educational framework orchestrates success through five essential emotional competencies.

January 24, 2025
A Roadmap For Starting A Private SchoolUse this roadmap as a set of talking points with your trusted mentors and professionals to start the private school of your dreams. You're not alone. Over the years, hundreds of folks like you have had the same dream. From Quintilian to Maria Montessori to Lucy Madeira Wing, visionary educators have established schools to teach according to their beliefs and methodologies.