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For the 2026 school year, there are 2 private high schools belonging to Middle States Association of Colleges and Secondary Schools serving 524 students in Oregon. You can also find more schools membership associations in Oregon.

The top-ranked private high schools belonging to Middle States Association of Colleges and Secondary Schools in Oregon include St. Stephen's Academy and Tualatin Valley Academy.

The average acceptance rate is 95%, which is higher than the Oregon private high school average acceptance rate of 81%.

100% of private high schools belonging to Middle States Association of Colleges and Secondary Schools in Oregon are religiously affiliated (most commonly Seventh Day Adventist and Presbyterian).