Tualatin Valley Academy Photo - Kindergarten students in the classroom

Best Washington County Private High Schools (2025-26)

For the 2025-26 school year, there are 18 private high schools serving 6,692 students in Washington County, OR.
The top ranked private high schools in Washington County, OR include Catlin Gabel School, Oregon Episcopal School, and Tualatin Valley Academy.
The average acceptance rate is 72%, which is lower than the Oregon private high school average acceptance rate of 80%.
83% of private high schools in Washington County, OR are religiously affiliated (most commonly Christian and Catholic).

Top Ranked Washington County Private High Schools (2025-26)

School
Location
Quick Facts
Catlin Gabel School
Catlin Gabel School Photo - Catlin Gabel is recognized as one of the finest schools in the nation. When students step onto our 67-acre campus, they find themselves in the center of our educational experience: fir trees, meadows, and apple orchard, as well as multimedia classrooms, a creative arts center, state-of-the-art science labs, divisional libraries, soccer fields, tennis courts, an outdoor track, and much more.
8825 SW Barnes Road
Portland, OR 97225
(503) 297-1894
Gr: PK-12 | 784 students Avg. class size: 17 students Sports: 9 | Extracurrculars: 43 Tuition & acceptance rate listed
Oregon Episcopal School
Oregon Episcopal School Photo - Our beautiful 59-acre campus provides the perfect setting for open minds to inquire, explore, and grow in order to succeed in an ever-changing global community.
(Episcopal)
(5)
6300 SW Nicol Road
Portland, OR 97223
(503) 768-3115
Gr: PK-12 | 866 students Avg. class size: 16 students Sports: 10 | Extracurrculars: 24 Tuition & acceptance rate listed
Edison High School
Edison High School Photo - Entrance to Edison.
Special Education School
9020 SW Beaverton Hillsdale Hwy
Portland, OR 97225
(503) 297-2336
Gr: 9-12 | 140 students Avg. class size: 9 students Sports: 13 Tuition & acceptance rate listed
Faith Bible Christian School
(Christian)
8975 NE Walker Rd #120
Beaverton, OR 97006
(503) 681-8254
Gr: PK-12 | 335 students Avg. class size: 24 students Sports: 9 | Extracurrculars: 4 Tuition & acceptance rate listed
Horizon Christian School
Horizon Christian School Photo - "Where everybody is somebody and Jesus is all." Discover Horizon Christian School, where we offer Christ-centered education for the whole family-from Preschool through High School!
(Christian)
(3)
23370 SW Boones Ferry Rd.
Tualatin, OR 97062
(503) 783-6642
Gr: PK-12 | 696 students Avg. class size: 23 students Sports: 12 | Extracurrculars: 12 Tuition & acceptance rate listed
Jesuit High School
Jesuit High School Photo
(Catholic)
9000 Sw Beaverton-hillsdale Hwy
Portland, OR 97225
(503) 292-2336
Gr: 9-12 | 1,299 student Sports: 12 Tuition listed
Life Christian School
Life Christian School Photo
(Christian)
(2)
5585 Sw 209th Ave
Beaverton, OR 97078
(503) 259-1329
Gr: PK-12 | 260 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 1 Tuition listed
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
Southwest Christian School
(Christian)
14605 SW Weir Road
Beaverton, OR 97007
(503) 524-8000
Gr: PK-12 | 351 students Avg. class size: 17 students Sports: 6 Tuition 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
Valley Catholic High School
(Catholic)
4275 SW 148th Ave
Beaverton, OR 97078
(503) 644-3745
Gr: NS-12 | 370 students Avg. class size: 18 students Sports: 12
Valor Christian School International
Valor Christian School International Photo - Playing on the playground
(Christian)
(3)
3350 SW 182nd Ave
Beaverton, OR 97003
(503) 642-1593
Gr: PK-12 | 298 students Avg. class size: 20 students Sports: 8 | Extracurrculars: 7 Tuition listed
Westside Christian High School
Westside Christian High School Photo - SeniorRetreat2017
(Christian)
(4)
8200 SW Pfaffle St.
Portland, OR 97223
(503) 697-4711
Gr: 9-12 | 258 students Avg. class size: 21 students Sports: 9 | Extracurrculars: 4 Tuition listed
Cor Deo Christian Academy
(Christian)
9100 Sw 135th Ave
Beaverton, OR 97008
(503) 524-1866
Gr: K-12 | 123 students Tuition listed
Create
Alternative School
1110 N Adair St
Cornelius, OR 97113
(503) 704-8025
Gr: 10-12 | 12 students
10330 Sw Scholls Ferry Rd
Portland, OR 97223
(503) 579-6621
Gr: PK-12 | 166 students
Westgate Christian School
(Christian)
12930 Sw Scholls Ferry Road
Portland, OR 97223
(503) 525-3500
Gr: PK-12 | 139 students
Westside Christian School
Alternative School (Assembly of God)
1523 Pacific Avenue
Forest Grove, OR 97116
(503) 357-6223
Gr: PK-12 | 71 students
[+] Show Closed Private Schools in Washington County, Oregon

Washington County Private Schools (Closed)

School
Location
Quick Facts
Crossridge Montessori (Closed 2015)
Montessori School (Christian)
23550 Sw Pine St
Sherwood, OR 97140
(503) 625-7758
Gr: PK-K | 17 students
Po Box 39
Gaston, OR 97119
(503) 985-7289
Gr: K-8 | 20 students
8565 Sw Beaverton Hillsdale Hwy Ste 1
Portland, OR 97225
(503) 546-3455
Gr: PK-5 | 34 students
Northwest Montessori School (Closed 2010)
All-boys | Montessori School
11511 Sw Bull Mountain Rd
Portland, OR 97224
(503) 620-8135
Gr: K | 6 students
16180 Sw Regatta Ln
Beaverton, OR 97006
(503) 533-9100
Gr: PK-K | 60 students

Frequently Asked Questions

What are the top ranked private high schools in Washington County, OR?
The top ranked private high schools in Washington County, OR include Catlin Gabel School, Oregon Episcopal School, and Tualatin Valley Academy.
How many private high schools are located in Washington County?
18 private high schools are located in Washington County.
How diverse are private high schools in Washington County?
Washington County private high schools are approximately 31% minority students, which is higher than the Oregon private school average of 26%.
What percentage of private high schools are religiously affiliated in Washington County?
83% of private high schools in Washington County are religiously affiliated (most commonly Christian and Catholic).
Which private high schools in Washington County are often viewed compared to one another?
Popular comparisons of private high schools in Washington County include: Oregon Episcopal School vs. Catlin Gabel School, Westgate Christian School vs. Southwest Christian School

Recent Articles

How Private Schools Teach Tech & AI Skills, Not Just Tools
How Private Schools Teach Tech & AI Skills, Not Just Tools
In 2025, private schools are building AI & technology competency by teaching literacy, ethics, problem-solving & life skills—not just tool use.
Why Private School in 2025?
Why Private School in 2025?
Learn the key benefits of private school in 2025, from academics to values. Expert insights for parents making the right choice.
Private School Scholarships & Aid Options for Low-Income Students in 2025
Private School Scholarships & Aid Options for Low-Income Students in 2025
Discover hidden private school scholarship and financial aid programs in 2025 for low-income or underrepresented students, with real examples and tips.