Lake Washington Girls Middle School Photo

Best Washington Private Elementary Schools Belonging to Northwest Association of Accredited Schools (2025-26)

For the 2025-26 school year, there are 29 private elementary schools belonging to Northwest Association of Accredited Schools serving 6,760 students in Washington. You can also find more schools membership associations in Washington.
The top ranked private elementary schools belonging to Northwest Association of Accredited Schools in Washington include Forest Ridge School Of The Sacred Heart, All Saints Elementary School, and Bethlehem Lutheran School.
The average tuition cost is $21,817, which is higher than the Washington private elementary school average tuition cost of $15,498.
55% of private elementary schools belonging to Northwest Association of Accredited Schools in Washington are religiously affiliated (most commonly Catholic and Christian).

Top Ranked Private Elementary Schools Belonging to Northwest Association of Accredited Schools in Washington (2025-26)

School
Location
Quick Facts
Brightmont Academy - Sammamish
Brightmont Academy - Sammamish Photo - Taking individual courses at Brightmont Academy offers an effective one-to-one instruction alternative for students to learn concepts and skills by progressing at their own pace.
Special Program Emphasis
4588 Klahanie Dr SE Suite 401
Issaquah, WA 98029
(425) 836-1600
Gr: 1-12 Avg. class size: 1 student Tuition listed
Dartmoor School
Dartmoor School Photo - One-to-One instruction helps students excel
Alternative School
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
Dartmoor School
Dartmoor School Photo - One-to-One lnstruction
Alternative School
(1)
22500 SE 64th PL, #150
Issaquah, WA 98027
(425) 427-1400
Gr: 4-12 | 23 students Avg. class size: 1 student Tuition & acceptance rate listed
Dartmoor School
Dartmoor School Photo - Dartmoor School Seattle Campus
Alternative School
6515 15th Ave NE
Seattle, WA 98115
(425) 885-6296
Gr: 1-12 | 37 students Avg. class size: 1 student Tuition & acceptance rate listed
Dartmoor School
Dartmoor School Photo - Dartmoor Bothell Campus
Alternative School
19515 North Creek Pkwy. #208
Bothell, WA 98011
(425) 885-6296
Gr: 1-12 | 29 students Avg. class size: 1 student 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
Evergreen Academy
Evergreen Academy Photo
(5)
16017 118th Place NE
Bothell, WA 98011
(425) 488-8000
Gr: NS-5 | 175 students Extracurrculars: 7 Tuition listed
Silverwood School
Silverwood School Photo - Welcome to Silverwood School!
Montessori School
(26)
14000 Central Valley Rd NW
Poulsbo, WA 98370
(360) 697-7526
Gr: K-8 | 84 students Avg. class size: 20 students Extracurrculars: 3 Tuition & acceptance rate listed
All Saints Elementary School
(Catholic)
504 2nd Street Sw
Puyallup, WA 98371
(253) 845-5025
Gr: PK-8 | 343 students Avg. class size: 22 students Sports: 4 | Extracurrculars: 5
Arbor Schools
Montessori School
(3)
1107 228th Avenue Se
Sammamish, WA 98075
(425) 392-8053
Gr: PK-6 | 170 students Avg. class size: 20 students Extracurrculars: 6
Bethlehem Lutheran School
(Lutheran Church Missouri Synod)
2505 W. 27th Ave.
Kennewick, WA 99337
(509) 582-5624
Gr: PK-8 | 286 students Avg. class size: 24 students Sports: 8 Tuition & acceptance rate listed
Gateway Christian Schools - Crosspoint
Gateway Christian Schools - Crosspoint Photo - Reading, Writing & Math
(Christian)
(2)
4012 Chico Way NW
Bremerton, WA 98312
(360) 377-7700
Gr: K-12 | 302 students Avg. class size: 16 students Sports: 7 | Extracurrculars: 8 Tuition listed
Grace Academy
Grace Academy Photo
(Christian)
(2)
8521 67th Avenue NE
Marysville, WA 98270
(360) 659-8517
Gr: K-12 | 473 students Avg. class size: 21 students Sports: 5 | Extracurrculars: 5 Tuition & acceptance rate listed
Holy Family Catholic School
(Catholic)
1002 Chestnut Street
Clarkston, WA 99403
(509) 758-6621
Gr: PK-8 | 140 students Tuition & acceptance rate listed
Lake Washington Girls Middle School
Lake Washington Girls Middle School Photo
All-girls
(4)
2100 S. Walker Street
Seattle, WA 98144
(206) 709-3800
Gr: 6-8 | 95 students Avg. class size: 14 students Sports: 8 | Extracurrculars: 8 Tuition & acceptance rate listed
Mount Vernon Christian School
Mount Vernon Christian School Photo
(Christian)
820 W Blackburn Rd
Mount Vernon, WA 98273
(360) 424-9157
Gr: PK-12 | 502 students Avg. class size: 21 students Sports: 6 | Extracurrculars: 6 Tuition & acceptance rate listed
Riverside Christian School
Riverside Christian School Photo - Our beautiful campus.
(Christian)
(3)
721 Keys Road
Yakima, WA 98901
(509) 965-2602
Gr: NS-12 | 423 students Avg. class size: 17 students Sports: 8 | Extracurrculars: 2 Tuition listed
St. Charles Borromeo Catholic School
(Catholic)
(2)
7112 S 12th St
Tacoma, WA 98465
(253) 564-5185
Gr: PK-8 | 502 students Avg. class size: 25 students Sports: 4 | Extracurrculars: 2 Tuition & acceptance rate listed
St. Joseph Catholic School
St. Joseph Catholic School Photo
(Catholic)
6500 Highland Drive
Vancouver, WA 98661
(360) 696-2586
Gr: PK-8 | 473 students Avg. class size: 22 students Sports: 5 | Extracurrculars: 7 Tuition & acceptance rate listed
St. Mary Magdalen Catholic School
St. Mary Magdalen Catholic School Photo - SMM Strings Orchestra Rehearsing
(Catholic)
(6)
8615 7th Ave SE
Everett, WA 98208
(425) 353-7559
Gr: PK-8 | 421 students Avg. class size: 18 students Sports: 4 | Extracurrculars: 10 Tuition listed
Saint Patrick Catholic School
Saint Patrick Catholic School Photo - Students dive into exciting new topics, fostering a love for learning and curiosity.
(Catholic)
(8)
1112 North G Street
Tacoma, WA 98403
(253) 274-4134
Gr: NS-8 | 372 students Avg. class size: 18 students Sports: 4 | Extracurrculars: 16 Tuition & acceptance rate listed
Seattle Academy
Seattle Academy Photo
Special Program Emphasis
(1)
1201 E Union Street
Seattle, WA 98122
(206) 323-6600
Gr: 6-12 | 772 students Avg. class size: 18 students Sports: 13 | Extracurrculars: 25 Tuition & acceptance rate listed
Villa Academy
Villa Academy Photo
(Catholic)
(5)
5001 Ne 50th Street
Seattle, WA 98105
(206) 524-8885
Gr: PK-8 | 383 students Avg. class size: 20 students Sports: 6 | Extracurrculars: 20 Tuition listed
Yakima Adventist Christian School
Yakima Adventist Christian School Photo
(Seventh Day Adventist)
1200 City Reservoir Rd
Yakima, WA 98908
(509) 966-1933
Gr: PK-10 | 91 students Avg. class size: 18 students
Brightmont Academy - Redmond
Brightmont Academy - Redmond Photo - Taking individual courses at Brightmont Academy offers an effective one-to-one instruction alternative for students to learn concepts and skills by progressing at their own pace.
Alternative School
7345 164th Ave NE, Ste I-135
Redmond, WA 98052
(425) 373-0800
Gr: 1-12 Avg. class size: 1 student Extracurrculars: 1 Tuition listed
115 NE 100th St #200
Seattle, WA 98125
(206) 284-2300
Gr: 1-12 Avg. class size: 1 student Tuition listed
New Horizon School
New Horizon School Photo
Special Education School
(17)
1111 S Carr Road
Renton, WA 98055
(142) 522-6371
Gr: 4-12 | 50 students Avg. class size: 8 students Extracurrculars: 5 Tuition listed
Peace Lutheran School
Peace Lutheran School Photo - Peace Lutheran School
(Lutheran Church Missouri Synod)
1234 Ne Riddell Road
Bremerton, WA 98310
(360) 373-2116
Gr: PK-8 | 212 students Avg. class size: 17 students Sports: 8 Tuition listed
Yellow Wood Academy
Yellow Wood Academy Photo - We are so proud of our YWA graduates!
Special Education School
9655 SE 36th Street,
Mercer Island, WA 98040
(206) 236-1095
Gr: K-12 | 134 students Avg. class size: 1 student Tuition & acceptance rate listed

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