Tualatin Valley Academy Photo - Kindergarten students in the classroom

Best Oregon Private Schools Belonging to Middle States Association of Colleges and Secondary Schools (2026)

For the 2026 school year, there are 2 private 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 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 school average acceptance rate of 84%.
100% of private schools belonging to Middle States Association of Colleges and Secondary Schools in Oregon are religiously affiliated (most commonly Presbyterian and Seventh Day Adventist).

Top-Ranked Private Schools Belonging to Middle States Association of Colleges and Secondary Schools in Oregon (2026)

School
Location
Quick Facts
St. Stephen's Academy
St. Stephen's Academy Photo - SSA - A Classical Christian School
Special Program Emphasis (Presbyterian)
(39)
7275 SW Hall Blvd
Beaverton, OR 97008
(503) 646-4617
Gr: PK-12 | 286 students Avg. class size: 16 students Sports: 4 | Extracurrculars: 3 Tuition & acceptance rate listed
Tualatin Valley Academy
Tualatin Valley Academy Photo - Kindergarten students in the classroom
(Seventh Day Adventist)
7405 E Main Street
Hillsboro, OR 97123
(503) 649-5518
Gr: PK-12 | 238 students Avg. class size: 20 students Sports: 3 | Extracurrculars: 6 Tuition & acceptance rate listed

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