For the 2026 school year, there are 17 private schools belonging to National Association of Independent Schools (NAIS) serving 5,553 students in Oregon. You can also find more schools membership associations in Oregon.
The top-ranked private schools belonging to National Association of Independent Schools (NAIS) in Oregon include Cascades Academy, Catlin Gabel School, and Oregon Episcopal School.
The average tuition cost is $21,149, which is higher than the Oregon private school average tuition cost of $11,745.
Top-Ranked Private Schools Belonging to National Association of Independent Schools (NAIS) in Oregon (2026)
School
Location
Quick Facts
6974 Bates Rd SE
Salem, OR 97306
(503) 399-9020
Salem, OR 97306
(503) 399-9020
Gr: NS-8 | 226 students Avg. class size: 20 students Sports: 6 | Extracurrculars: 6 Tuition listed
Bridges Middle School ![Bridges Middle School Photo]( "Bridges Middle School Photo")
Special Education School
2510 SW 1st Avenue
Portland, OR 97201
(503) 688-2922
Portland, OR 97201
(503) 688-2922
Gr: 5-8 | 64 students Avg. class size: 12 students Tuition & acceptance rate listed
8825 SW Barnes Road
Portland, OR 97225
(503) 297-1894
Portland, OR 97225
(503) 297-1894
Gr: PK-12 | 788 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 35 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
2305 S Water Avenue
Portland, OR 97201
(503) 226-2496
Portland, OR 97201
(503) 226-2496
Gr: PK-5 | 397 students Avg. class size: 13 students Extracurrculars: 4 Tuition & acceptance rate listed
6300 SW Nicol Road
Portland, OR 97223
(503) 768-3115
Portland, OR 97223
(503) 768-3115
Gr: PK-12 | 861 students Avg. class size: 16 students Sports: 10 | Extracurrculars: 59 Tuition 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
14750 Se Clinton Street
Portland, OR 97236
(503) 760-8220
Portland, OR 97236
(503) 760-8220
Gr: Inquire with school | 293 students Avg. class size: 25 students Sports: 6 | Extracurrculars: 12 Tuition listed
8500 NW Johnson Street
Portland, OR 97229
(503) 292-7776
Portland, OR 97229
(503) 292-7776
Gr: NS-8 | 570 students Avg. class size: 15 students Sports: 5 | Extracurrculars: 17 Tuition listed
Holy Redeemer Catholic School
(Catholic)
127 N Rosa Parks Way
Portland, OR 97217
(503) 283-5197
Portland, OR 97217
(503) 283-5197
Gr: PK-8 | 291 students
3990 Nw 1st Street
Gresham, OR 97030
(503) 665-4102
Gresham, OR 97030
(503) 665-4102
Gr: PK-8 | 330 students Avg. class size: 18 students Sports: 5 | Extracurrculars: 6 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
4045 SW Research Way
Corvallis, OR 97333
(541) 766-8313
Corvallis, OR 97333
(541) 766-8313
Gr: NS-8 | 176 students Avg. class size: 17 students Sports: 1 | Extracurrculars: 19 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
86397 Eldon Schafer Dr
Eugene, OR 97405
(541) 744-0954
Eugene, OR 97405
(541) 744-0954
Gr: PK-8 | 193 students Avg. class size: 15 students Sports: 2 | Extracurrculars: 3 Tuition listed
The Portland Montessori School ![The Portland Montessori School Photo - Front entrance]( "The Portland Montessori School Photo - Front entrance")
Montessori School
205 NE 50th Ave
Portland, OR 97213
(503) 688-2992
Portland, OR 97213
(503) 688-2992
Gr: NS-6 | 151 students Avg. class size: 22 students Tuition listed
West Hills Montessori School-lake Oswego
Montessori School
4515 Parkview Dr
Lake Oswego, OR 97035
(503) 351-6444
Lake Oswego, OR 97035
(503) 351-6444
Gr: PK-K | 68 students Tuition listed
Recent Articles
Ask Current Parents What Admissions Won't Answer
Learn how to ask current private school parents revealing questions about culture, academics, communication, costs, discipline, and community life before deciding whether a school truly fits your family well.
When School Anxiety Is Really a School Fit Problem
Learn when school anxiety may signal a poor school fit, how parents can identify academic or social mismatches, and when changing private schools deserves serious consideration for families today.
Will My Child Find Their People? Evaluating School Culture
Learn how to evaluate private school culture, student belonging, friendships, teacher relationships, social dynamics, and authentic community fit so your child can find the right place to thrive and connect.
