For the 2025-26 school year, there are 83 private schools belonging to Other school association(s) serving 18,528 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 St. Thomas School, Bellarmine Preparatory School, and Bertschi School.
The average tuition cost is $18,085, which is higher than the Washington private school average tuition cost of $15,698.
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
Bellevue, WA 98004
(425) 460-3300
Gr: 7-12 | 1,037 student Avg. class size: 17 students Sports: 10 Tuition & acceptance rate listed
Dartmoor School![Dartmoor School Photo - One-to-One instruction helps students excel Dartmoor School Photo - One-to-One instruction helps students excel]()

Alternative School
2800 Northup Way, Suite 120
Bellevue, WA 98004
(425) 885-6296
Bellevue, WA 98004
(425) 885-6296
Gr: 1-12 | 43 students Avg. class size: 1 student Tuition & acceptance rate listed
4800 139th Avenue SE
Bellevue, WA 98006
(425) 641-0700
Bellevue, WA 98006
(425) 641-0700
Gr: 5-12 | 225 students Avg. class size: 12 students Sports: 13 | Extracurrculars: 29 Tuition listed
8300 NE 12th Street
Medina, WA 98039
(425) 454-5880
Medina, WA 98039
(425) 454-5880
Gr: PK-8 | 330 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 9 Tuition & acceptance rate listed
16571 Creative Drive NE
Poulsbo, WA 98370
(360) 598-5954
Poulsbo, WA 98370
(360) 598-5954
Gr: 6-12 | 80 students Avg. class size: 16 students Extracurrculars: 12 Tuition & acceptance rate listed
All Saints Catholic School![All Saints Catholic School Photo All Saints Catholic School Photo]()

(Catholic)
3510 E 18th Ave
Spokane, WA 99223
(509) 534-1098
Spokane, WA 99223
(509) 534-1098
Gr: PK-8 | 334 students Avg. class size: 20 students Sports: 8 Tuition & acceptance rate listed
2300 S Washington St
Tacoma, WA 98405
(253) 752-7701
Tacoma, WA 98405
(253) 752-7701
Gr: 9-12 | 847 students Avg. class size: 20 students Tuition & acceptance rate listed
2227 10th Avenue E
Seattle, WA 98102
(206) 442-6856
Seattle, WA 98102
(206) 442-6856
Gr: PK-5 | 246 students Avg. class size: 18 students Sports: 3 Tuition & acceptance rate listed
Cascade Christian Junior High/High School![Cascade Christian Junior High/High School Photo Cascade Christian Junior High/High School Photo]()

(Christian)
811 21st Street SE
Puyallup, WA 98372
(253) 841-1776
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
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
Puyallup, WA 98372
(253) 841-1776
Gr: K-6 | 349 students Sports: 12 | Extracurrculars: 4 Tuition listed
16300 112th Ave Ne
Bothell, WA 98011
(425) 488-9778
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
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
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
Kirkland, WA 98033
(425) 298-6451
Gr: 6-12 | 34 students Tuition listed
9041 166th Ave NE
Redmond, WA 98052
(425) 885-1810
Redmond, WA 98052
(425) 885-1810
Gr: NS | 80 students Avg. class size: 12 students Sports: 1 | Extracurrculars: 5 Tuition & acceptance rate listed
3795 East Mercer Way
Mercer Island, WA 98040
(206) 275-3533
Mercer Island, WA 98040
(206) 275-3533
Gr: PK-8 | 473 students Avg. class size: 18 students Sports: 5 Tuition & acceptance rate listed
1224 E Euclid Ave
Spokane, WA 99207
(509) 483-8511
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
Colton, WA 99113
(509) 229-3579
Gr: K-6 | 30 students Tuition listed
1701 20th Ave S
Seattle, WA 98144
(206) 763-1167
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
Seattle, WA 98106
(206) 767-6640
Gr: NS-8 | 167 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 3 Tuition listed
1717 S Union Ave
Tacoma, WA 98405
(253) 756-5317
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
Lynden, WA 98264
(360) 354-5492
Gr: PK-12 | 1,210 student Sports: 9 | Extracurrculars: 6
16242 Northup Way
Bellevue, WA 98008
(425) 643-2678
Bellevue, WA 98008
(425) 643-2678
Gr: K-8 | 207 students Avg. class size: 16 students
2020 22nd Ave SE
Olympia, WA 98501
(360) 491-7097
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
Seattle, WA 98115
(206) 525-9980
Gr: PK-8 | 252 students Tuition & acceptance rate listed
20301 NE 108th Street
Redmond, WA 98053
(425) 868-1000
Redmond, WA 98053
(425) 868-1000
Gr: 5-12 | 554 students Avg. class size: 14 students Sports: 9 | Extracurrculars: 16 Tuition & acceptance rate listed
Rainier Christian Middle and High School![Rainier Christian Middle and High School Photo Rainier Christian Middle and High School Photo]()

(Christian)
19830 SE 328th Pl
Auburn, WA 98002
(425) 255-7273
Auburn, WA 98002
(425) 255-7273
Gr: NS-12 | 581 students Avg. class size: 15 students Sports: 9 Tuition & acceptance rate listed
5816 15th Ave NW
Seattle, WA 98107
(206) 782-4363
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
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
Seattle, WA 98115
(206) 525-0581
Gr: PK-8 | 268 students Avg. class size: 26 students Tuition listed
5621 108th St SW
Lakewood, WA 98499
(253) 584-5748
Lakewood, WA 98499
(253) 584-5748
Gr: PK-8 | 181 students Avg. class size: 16 students Sports: 4 | Extracurrculars: 8 Tuition & acceptance rate listed
St. John of Kronstadt Orthodox School
Daycare / Preschool (Christian)
706 West Stewart Street
Yakima, WA 98902
(509) 452-0177
Yakima, WA 98902
(509) 452-0177
Gr: K-7 | 29 students Avg. class size: 10 students Tuition listed
St. John School![St. John School Photo - Grandparents' and Friends' Day St. John School Photo - Grandparents' and Friends' Day]()

(Catholic)
120 N 79th Street
Seattle, WA 98103
(206) 783-0337
Seattle, WA 98103
(206) 783-0337
Gr: PK-8 | 531 students Avg. class size: 25 students Sports: 6 | Extracurrculars: 18 Tuition & acceptance rate listed
Show 48 more private schools in Washington (out of 83 total schools)
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