Dartmoor School Photo - Dartmoor School Seattle Campus

Top 10 Best Washington Private High Schools Belonging to Cognia (2025)

For the 2025 school year, there are 21 private high schools belonging to Cognia serving 7,291 students in Washington. You can also find more schools membership associations in Washington.
The top ranked private high schools belonging to Cognia in Washington include Northwest Yeshiva High School, Seattle Christian Schools, and Willows Preparatory School.
The average tuition cost is $18,217, which is higher than the Washington private high school average tuition cost of $17,015.
33% of private high schools belonging to Cognia in Washington are religiously affiliated (most commonly Christian and Baptist).

Top Ranked Private High Schools Belonging to Cognia in Washington (2025)

School
Location
Grades
Students
Dartmoor School
Dartmoor School Photo - Dartmoor Bothell Campus
Alternative School
19515 North Creek Pkwy. #208
Bothell, WA 98011
(425) 885-6296
Grades: 1-12
| 29 students
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
Grades: 1-12
| 43 students
Dartmoor School
Dartmoor School Photo - One-to-One lnstruction
Alternative School
(1)
22500 SE 64th PL, #150
Issaquah, WA 98027
(425) 427-1400
Grades: 4-12
| 23 students
Dartmoor School
Dartmoor School Photo - Dartmoor School Seattle Campus
Alternative School
6515 15th Ave NE
Seattle, WA 98115
(425) 885-6296
Grades: 1-12
| 37 students
Enlightium Academy
Enlightium Academy Photo
(Christian)
1330 N. Washington Street, Suite 5050
Spokane, WA 99201
(866) 488-4818
Grades: K-12
| 4,952 students
Summit Christian Academy
Summit Christian Academy Photo
(Baptist)
(6)
4224 E. 4th Ave
Spokane, WA 99202
(509) 924-4618
Grades: PK-12
| 116 students
214 E. Galer Street, Suite 200
Seattle, WA 98102
(877) 673-8893
Grades: 6-12
| n/a students
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
Grades: 6-12
| 90 students
Concordia Christian Academy
Concordia Christian Academy Photo - Welcome to Concordia Christian Academy! We invite you to discover the opportunities that are part of the Concordia experience. Our school deeply values the unique gifts that God gives each of us, and we ensure that our students discover and develop their giftedness by offering a full range of customized academics, sports and fine arts programs, and service activities.
(Lutheran Church Missouri Synod)
(5)
202 E 56th Street
Tacoma, WA 98404
(253) 475-9513
Grades: K-12
| 217 students
Eastside Academics School
Eastside Academics School Photo - We have moved to an online school format during this time
(5)
2495 140th Ave NE Suite D-210
Bellevue, WA 98005
(425) 401-6844
Grades: 6-12
| 40 students
New Life Christian School
Special Program Emphasis (Christian)
(1)
911 E Division Ave
Ephrata, WA 98823
(509) 754-5558
Grades: PK-10
| 82 students
Northwest Yeshiva High School
Northwest Yeshiva High School Photo
(Jewish)
(8)
5017 90th Avenue SE
Mercer Island, WA 98040
(206) 232-5272
Grades: 9-12
| 65 students
Seattle Christian Schools
Seattle Christian Schools Photo
(Christian)
(8)
18301 Military Road S
Seattle, WA 98188
(206) 246-8241
Grades: K-12
| 586 students
Sound Christian Academy
Sound Christian Academy Photo
(Christian)
2310 South 66th Street
Tacoma, WA 98409
(253) 475-7226
Grades: PK-12
| 291 students
Ventures Academy
Special Program Emphasis
4265 137TH AVE NE
Bellevue, WA 98005
(425) 437-2700
Grades: 8-12
| n/a students
Willows Preparatory School
Willows Preparatory School Photo
(3)
12280 Woodinville Redmond Rd Ne
Redmond, WA 98052
(425) 380-5670
Grades: 5-12
| 276 students
Chrysalis School
Chrysalis School Photo - Instruction is offered both one-on-one, and in small groups, so the academic setting best suits the individual needs of the students.
Alternative School
(2)
15900 Woodinville-Redmond Rd
Woodinville, WA 98072
(425) 481-2228
Grades: K-12
| 177 students
Explorations Academy
Explorations Academy Photo - Here are some of our students feeling triumphant on a multi-day backpacking trip, enjoying the beauty and bounty of our region. Explorations students develop a sense of leadership, environmental stewardship, and social responsibility both in the classroom and on the field.
Alternative School
(2)
1701 Ellis St # 215
Bellingham, WA 98225
(360) 671-8085
Grades: 6-12
| 33 students
Jefferson Community School
Jefferson Community School Photo - JCS in Nepal 2017
Special Program Emphasis
280 Quincy St Ste I
Port Townsend, WA 98368
(360) 385-0622
Grades: 7-12
| 16 students
2908 228th Ave SE, Ste B
Sammamish, WA 98075
(425) 562-3545
Grades: 6-12
| 176 students
Spring Academy
Spring Academy Photo - Spring Academy is a progressive private school providing a forward-thinking alternative to the traditional school environment. We believe that each student is unique and deserves an individualized educational experience that is completely customized and taught in a one-on-one setting.
(42)
9725 3rd Ave NE Ste 125
Seattle, WA 98115
(206) 203-9440
Grades: 6-12
| 42 students

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