Community Montessori Photo - Community Montessori mural, painted by a student's grandmother

Best Washington Private Schools Belonging to Other school association(s) (2025-26)

For the 2025-26 school year, there are 83 private schools belonging to Other school association(s) serving 18,505 students in Washington. You can also find more schools membership associations in Washington.
The top ranked private schools belonging to Other school association(s) in Washington include Bertschi School, Bellarmine Preparatory School, and Cascade Christian Junior High/High School.
The average tuition cost is $18,197, which is higher than the Washington private school average tuition cost of $15,612.
55% of private schools belonging to Other school association(s) in Washington are religiously affiliated (most commonly Catholic and Christian).

Top Ranked Private Schools Belonging to Other school association(s) in Washington (2025-26)

School
Location
Quick Facts
1701 98th Ave Ne
Bellevue, WA 98004
(425) 460-3300
Gr: 7-12 | 1,037 student Avg. class size: 17 students Sports: 8 Tuition & acceptance rate listed
St. Thomas School
St. Thomas School Photo
(5)
8300 NE 12th Street
Medina, WA 98039
(425) 454-5880
Gr: PK-8 | 330 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 9 Tuition & acceptance rate listed
West Sound Academy
West Sound Academy Photo - Frodel Hall has drama and music studios plus an art gallery.
(11)
16571 Creative Drive NE
Poulsbo, WA 98370
(360) 598-5954
Gr: 6-12 | 80 students Avg. class size: 16 students Extracurrculars: 12 Tuition & acceptance rate listed
Dartmoor School
Dartmoor School Photo - One-to-One instruction helps students excel
Alternative School
(1)
2800 Northup Way, Suite 120
Bellevue, WA 98004
(425) 885-6296
Gr: 1-12 | 43 students Avg. class size: 1 student Tuition & acceptance rate listed
First Presbyterian Christian School
First Presbyterian Christian School Photo - Friendship and Community
(Presbyterian)
(1)
318 S Cedar St
Spokane, WA 99201
(509) 747-9192
Gr: PK-5 Avg. class size: 10 students Extracurrculars: 6 Tuition listed
All Saints Catholic School
All Saints Catholic School Photo
(Catholic)
3510 E 18th Ave
Spokane, WA 99223
(509) 534-1098
Gr: PK-8 | 334 students Avg. class size: 20 students Sports: 8 Tuition & acceptance rate listed
Bellarmine Preparatory School
(Catholic)
(2)
2300 S Washington St
Tacoma, WA 98405
(253) 752-7701
Gr: 9-12 | 847 students Avg. class size: 20 students Tuition & acceptance rate listed
Bertschi School
Bertschi School Photo
2227 10th Avenue E
Seattle, WA 98102
(206) 442-6856
Gr: PK-5 | 246 students Avg. class size: 18 students Sports: 3 Tuition & acceptance rate listed
811 21st Street SE
Puyallup, WA 98372
(253) 841-1776
Gr: 7-12 | 672 students Avg. class size: 20 students Sports: 12 | Extracurrculars: 3 Tuition & acceptance rate listed
3425 176th Street E
Tacoma, WA 98446
(253) 841-1776
Gr: NS-6 | 330 students Avg. class size: 24 students Sports: 13 | Extracurrculars: 8 Tuition listed
819 21st St SE
Puyallup, WA 98372
(253) 841-1776
Gr: K-6 | 349 students Sports: 12 | Extracurrculars: 4 Tuition listed
Cedar Park Christian Schools
(Assembly of God)
(1)
16300 112th Ave Ne
Bothell, WA 98011
(425) 488-9778
Gr: PK-12 | 1,591 student
Chief Leschi Schools
Special Program Emphasis
5625 52nd Street E
Puyallup, WA 98371
(253) 445-6000
Gr: PK-12 | 782 students
Christ The King School
(Catholic)
415 N 117th St
Seattle, WA 98133
(206) 364-6890
Gr: NS-8 | 230 students Avg. class size: 20 students Tuition listed
316 Fourth Avenue South
Kirkland, WA 98033
(425) 298-6451
Gr: 6-12 | 34 students Tuition listed
Faith Lutheran School
Faith Lutheran School Photo
Daycare / Preschool (Christian)
(8)
9041 166th Ave NE
Redmond, WA 98052
(425) 885-1810
Gr: NS | 80 students Avg. class size: 12 students Sports: 1 | Extracurrculars: 5 Tuition & acceptance rate listed
Forest Ridge School Of The Sacred Heart
Forest Ridge School Of The Sacred Heart Photo
All-girls (Catholic)
(2)
4800 139th Avenue SE
Bellevue, WA 98006
(425) 641-0700
Gr: 5-12 | 225 students Avg. class size: 12 students Sports: 13 | Extracurrculars: 29 Tuition listed
French American School of Puget Sound
French American School of Puget Sound Photo - Playground at the main campus in Mercer Island
Special Program Emphasis
(8)
3795 East Mercer Way
Mercer Island, WA 98040
(206) 275-3533
Gr: PK-8 | 473 students Avg. class size: 18 students Sports: 5 Tuition & acceptance rate listed
Gonzaga Preparatory School
(Catholic)
(1)
1224 E Euclid Ave
Spokane, WA 99207
(509) 483-8511
Gr: 9-12 | 794 students Avg. class size: 15 students Tuition & acceptance rate listed
Guardian Angel-st Boniface School
(Catholic)
306 Steptoe
Colton, WA 99113
(509) 229-3579
Gr: K-6 | 30 students Tuition listed
Hamlin Robinson School
Hamlin Robinson School Photo
Special Education School
(3)
1701 20th Ave S
Seattle, WA 98144
(206) 763-1167
Gr: 1-8 | 426 students Avg. class size: 15 students Sports: 2 | Extracurrculars: 6 Tuition & acceptance rate listed
Holy Family School
(Catholic)
9615 20th Ave Sw
Seattle, WA 98106
(206) 767-6640
Gr: NS-8 | 167 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 3 Tuition listed
Holy Rosary School
(Catholic)
770 Aloha St
Edmonds, WA 98020
(425) 778-3197
Gr: K-8 | 240 students
Life Christian Academy
Life Christian Academy Photo
(Assembly of God)
(1)
1717 S Union Ave
Tacoma, WA 98405
(253) 756-5317
Gr: NS-12 | 740 students Avg. class size: 18 students Sports: 11 | Extracurrculars: 19 Tuition listed
Lynden Christian School
(Christian)
417 Lyncs Dr
Lynden, WA 98264
(360) 354-5492
Gr: PK-12 | 1,210 student Sports: 9 | Extracurrculars: 6
Medina Academy
Medina Academy Photo
(Islamic)
(1)
16242 Northup Way
Bellevue, WA 98008
(425) 643-2678
Gr: K-8 | 207 students Avg. class size: 16 students
Nova Middle School
Nova Middle School Photo
Special Program Emphasis
(2)
2020 22nd Ave SE
Olympia, WA 98501
(360) 491-7097
Gr: 6-8 | 91 students Avg. class size: 16 students Sports: 1 | Extracurrculars: 8 Tuition & acceptance rate listed
Our Lady Of The Lake School
(Catholic)
3520 Ne 89th St
Seattle, WA 98115
(206) 525-9980
Gr: PK-8 | 252 students Tuition & acceptance rate listed
The Overlake School
The Overlake School Photo - A bird's eye view of Overlake's beautiful, lush 75 acre campus.
(2)
20301 NE 108th Street
Redmond, WA 98053
(425) 868-1000
Gr: 5-12 | 554 students Avg. class size: 14 students Sports: 9 | Extracurrculars: 16 Tuition & acceptance rate listed
Puget Sound Community School
Puget Sound Community School Photo
Alternative School
(3)
660 S Dearborn St
Seattle, WA 98134
(206) 324-4350
Gr: 6-12 | 9 students Avg. class size: 4 students Tuition & acceptance rate listed
19830 SE 328th Pl
Auburn, WA 98002
(425) 255-7273
Gr: NS-12 | 581 students Avg. class size: 15 students Sports: 9 Tuition & acceptance rate listed
St. Alphonsus School
St. Alphonsus School Photo
(Catholic)
(2)
5816 15th Ave NW
Seattle, WA 98107
(206) 782-4363
Gr: PK-8 | 231 students Avg. class size: 17 students Sports: 5 | Extracurrculars: 7 Tuition & acceptance rate listed
St. Benedict School
(Catholic)
4811 Wallingford Ave N
Seattle, WA 98103
(206) 633-3375
Gr: K-8 | 183 students Tuition listed
St. Catherine School
(Catholic)
8524 8th Ave Ne
Seattle, WA 98115
(206) 525-0581
Gr: PK-8 | 268 students Avg. class size: 26 students Tuition listed
St. Frances Cabrini School
St. Frances Cabrini School Photo
(Catholic)
(10)
5621 108th St SW
Lakewood, WA 98499
(253) 584-5748
Gr: PK-8 | 181 students Avg. class size: 16 students Sports: 4 | Extracurrculars: 8 Tuition & acceptance rate listed
Show 48 more private schools in Washington (out of 83 total schools)
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