Private School Review - Established 2003
BASIS Independent School of Bothell Top 3 · Highest Avg. ACT Score (WA)
Dartmoor School
Fusion Academy Seattle Top 8 · Most AP Courses (WA)

Washington Private Elementary Schools Belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia)

For the 2026-27 school year, there are 74 private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) serving 23,861 students in Washington. You can also find more schools membership associations in Washington.
The top ranked private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington include BASIS Independent School of Bothell, Fusion Academy Seattle, and The Bear Creek School.
The average tuition cost is $18,598, which is higher than the Washington private elementary school average tuition cost of $15,248.
57% of private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington are religiously affiliated (most commonly Christian and Catholic).

Quick Facts (26-27)

  • # Private Schools: 74

Quick Facts (26-27)

  • # Private Schools: 74

Top Ranked Private Elementary Schools Belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington (2026-27)

BASIS Independent School of Bothell Photo
BASIS Independent School of Bothell
Gr: PK-12 | 322 students
Sports: 3 | Extracurriculars: 23
21540 30th Drive SE
Bothell, WA 98021
(425) 484-1579
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The Bear Creek School Photo
The Bear Creek School
Gr: PK-12 | 945 students
Avg. class size: 16 students
Sports: 9 | Extracurriculars: 14
Christian
8905 208th Avenue NE
Redmond, WA 98053
(425) 898-1720
(12)
View Profile
Brightmont Academy - Sammamish Photo
Brightmont Academy - Sammamish
Gr: 1-12
Avg. class size: 1 student
Specialized Curriculum
4588 Klahanie Dr SE Suite 401
Issaquah, WA 98029
(425) 836-1600
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Brighton School of Mountlake Terrace Photo
Brighton School of Mountlake Terrace
Gr: PK-8 | 327 students
Avg. class size: 18 students
Sports: 6 | Extracurriculars: 2
21705 58th Avenue West
Mountlake Terrace, WA 98043
(425) 584-2361
(2)
View Profile
Fusion Academy Seattle Photo
Fusion Academy Seattle
Gr: 5-12
Sports: 1 | Extracurriculars: 6
214 E. Galer Street, Suite 200
Seattle, WA 98102
(206) 486-3614
View Profile
Northshore Christian Academy Photo
Northshore Christian Academy
Gr: NS-8 | 1,131 students
Avg. class size: 21 students
Sports: 6 | Extracurriculars: 17
Christian
5700 23rd Drive West
Everett, WA 98203
(425) 407-1119
(6)
View Profile
Silverwood School Photo
Silverwood School
Gr: K-8 | 87 students
Avg. class size: 20 students
Extracurriculars: 6
14000 Central Valley Rd NW
Poulsbo, WA 98370
(360) 697-7526
(27)
View Profile
Bel-Red Bilingual Academy Photo
Bel-Red Bilingual Academy
Gr: PK-3 | 107 students
Avg. class size: 12 students
15061 Bel Red Rd
Bellevue, WA 98007
(425) 283-0717
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Dartmoor School Photo
Dartmoor School
Gr: 1-12 | 43 students
Avg. class size: 1 student
Alternative School
2800 Northup Way, Suite 120
Bellevue, WA 98004
(425) 885-6296
(1)
View Profile
Dartmoor School Photo
Dartmoor School
Gr: 1-12 | 23 students
Avg. class size: 1 student
Alternative School
22500 SE 64th PL, #150
Bellevue, WA 98027
(425) 885-6296
(1)
View Profile
Dartmoor School Photo
Dartmoor School
Gr: 1-12 | 37 students
Avg. class size: 1 student
Alternative School
6515 15th Ave NE
Seattle, WA 98115
(425) 885-6296
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Dartmoor School Photo
Dartmoor School
Gr: 1-12 | 29 students
Avg. class size: 1 student
Alternative School
19515 North Creek Pkwy. #208
Bothell, WA 98011
(425) 885-6296
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Evergreen Academy Preschool & Elementary School of Bothell Photo
Evergreen Academy Preschool & Elementary School of Bothell
Gr: NS-5 | 175 students
Extracurriculars: 7
16017 118th Place NE
Bothell, WA 98011
(425) 600-3048
(5)
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West Sound Academy Photo
West Sound Academy
Gr: 6-12 | 94 students
Avg. class size: 16 students
Extracurriculars: 12
16571 Creative Drive NE
Poulsbo, WA 98370
(360) 598-5954
(12)
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Map of All Saints Elementary School
All Saints Elementary School
Gr: PK-8 | 343 students
Avg. class size: 22 students
Sports: 4 | Extracurriculars: 5
Catholic
504 2nd Street Sw
Puyallup, WA 98371
(253) 845-5025
View Profile
All-Star Academy Photo
All-Star Academy
Gr: PK-12
Avg. class size: 8 students
Extracurriculars: 1
Alternative School
30355 SE High Point Way
Issaquah, WA 98027
(425) 526-4600
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Map of Bethlehem Lutheran School
Bethlehem Lutheran School
Gr: PK-8 | 286 students
Avg. class size: 24 students
Sports: 8
Lutheran Church Missouri Synod
2505 W. 27th Ave.
Kennewick, WA 99337
(509) 582-5624
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Brightmont Academy - Redmond Photo
Brightmont Academy - Redmond
Gr: 1-12
Avg. class size: 1 student
Extracurriculars: 1
Alternative School
7345 164th Ave NE, Ste I-135
Redmond, WA 98052
(425) 373-0800
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Brightmont Academy - Seattle Photo
Brightmont Academy - Seattle
Gr: 1-12
Avg. class size: 1 student
Extracurriculars: 8
115 NE 100th St #200
Seattle, WA 98125
(206) 284-2300
View Profile
Map of Cascade Christian -junior High/high School
Cascade Christian -junior High/high School
Gr: 7-12 | 454 students
811 21st St Se
Puyallup, WA 98372
(253) 841-1776
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Cascade Christian Junior High/High School Photo
Cascade Christian Junior High/High School
Gr: 7-12 | 672 students
Avg. class size: 20 students
Sports: 12 | Extracurriculars: 3
Christian
811 21st Street SE
Puyallup, WA 98372
(253) 841-1776
View Profile
Cascade Christian Schools - Frederickson Campus Photo
Cascade Christian Schools - Frederickson Campus
Gr: NS-6 | 330 students
Avg. class size: 24 students
Sports: 13 | Extracurriculars: 8
3425 176th Street E
Tacoma, WA 98446
(253) 841-1776
(3)
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Map of Cedar Park Christian Schools
Cedar Park Christian Schools
Gr: PK-12 | 1,591 students
Assembly of God
16300 112th Ave Ne
Bothell, WA 98011
(425) 488-9778
(1)
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Concordia Christian Academy Photo
Concordia Christian Academy
Gr: K-12 | 217 students
Avg. class size: 18 students
Sports: 7 | Extracurriculars: 11
Lutheran Church Missouri Synod
202 E 56th Street
Tacoma, WA 98404
(253) 475-9513
(5)
View Profile
Crosspoint Christian School Photo
Crosspoint Christian School
Gr: K-12 | 302 students
Avg. class size: 16 students
Sports: 7 | Extracurriculars: 8
Christian
4012 Chico Way NW
Bremerton, WA 98312
(360) 377-7700
(2)
View Profile
Evergreen Christian School Photo
Evergreen Christian School
Gr: PK-8 | 287 students
Avg. class size: 20 students
Sports: 6 | Extracurriculars: 2
Assembly of God
1010 Black Lake Blvd Sw
Olympia, WA 98502
(360) 357-5590
(2)
View Profile
Explorations Academy Photo
Explorations Academy
Gr: 6-12 | 48 students
Avg. class size: 10 students
Alternative School
1701 Ellis St # 215
Bellingham, WA 98225
(360) 671-8085
(3)
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Firm Foundation Christian School Photo
Firm Foundation Christian School
Gr: PK-12 | 405 students
Avg. class size: 16 students
Sports: 7 | Extracurriculars: 25
Other Lutheran
1919 SW 25th Avenue
Battle Ground, WA 98604
(360) 687-8382
(5)
View Profile
Forest Ridge School Of The Sacred Heart Photo
Forest Ridge School Of The Sacred Heart
Gr: 5-12 | 200 students
Avg. class size: 12 students
Sports: 13 | Extracurriculars: 30
All-girls (Catholic)
4800 139th Avenue SE
Bellevue, WA 98006
(425) 641-0700
(2)
View Profile
Map of The Franklin Academy
The Franklin Academy
Gr: NS-8 | 442 students
Sports: 4
1509 E. Victor Street
Bellingham, WA 98225
(360) 733-1750
View Profile
Grace Academy Photo
Grace Academy
Gr: K-12 | 473 students
Avg. class size: 21 students
Sports: 5 | Extracurriculars: 5
Christian
8521 67th Avenue NE
Marysville, WA 98270
(360) 659-8517
(2)
View Profile
Map of Holy Family Catholic School
Holy Family Catholic School
Gr: PK-8 | 140 students
Catholic
1002 Chestnut Street
Clarkston, WA 99403
(509) 758-6621
View Profile
Hope Lutheran School Photo
Hope Lutheran School
Gr: PK-8 | 192 students
Avg. class size: 18 students
Sports: 6 | Extracurriculars: 14
Lutheran Church Missouri Synod
4456 42nd Ave Sw
Seattle, WA 98116
(206) 935-8500
(3)
View Profile
Lake Washington Girls Middle School Photo
Lake Washington Girls Middle School
Gr: 6-8 | 95 students
Avg. class size: 14 students
Sports: 8 | Extracurriculars: 8
All-girls
2100 S. Walker Street
Seattle, WA 98144
(206) 709-3800
(6)
View Profile
Map of Liberty Christian School
Liberty Christian School
Gr: PK-12 | 511 students
Christian
2200 Williams Blvd
Richland, WA 99354
(509) 946-0602
View Profile
Show 39 more private schools in Washington (out of 74 total schools)
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Frequently Asked Questions

What are the top ranked private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington?
The top ranked private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington include BASIS Independent School of Bothell, Fusion Academy Seattle, and The Bear Creek School.
How many private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Washington?
74 private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Washington.
How much do private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) cost in Washington?
The average tuition cost is $18,598, which is higher than the Washington private school average tuition cost of $15,248.
How diverse are private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington?
Washington private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are approximately 29% minority students, which is lower than the Washington private school average of 31%.
What percentage of private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are religiously affiliated in Washington?
57% of private elementary schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington are religiously affiliated (most commonly Christian and Catholic).
81
Private Schools
23,861
Students
$18,598
Avg. Tuition
29%
Students of Color
13:1
Student-Teacher Ratio

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