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 Seattle Christian Schools, Northwest Yeshiva High School, and Sound Christian Academy.
The average tuition cost is $18,509, which is higher than the Washington private high school average tuition cost of $16,038.
Top Ranked Private High Schools Belonging to Cognia in Washington (2025)
School
Location
Grades
Students
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
Grades: 1-12
| 43 students
22500 SE 64th PL, #150
Issaquah, WA 98027
(425) 427-1400
Issaquah, WA 98027
(425) 427-1400
Grades: 4-12
| 23 students
Dartmoor School![Dartmoor School Photo - Dartmoor School Seattle Campus Dartmoor School Photo - Dartmoor School Seattle Campus]()

Alternative School
6515 15th Ave NE
Seattle, WA 98115
(425) 885-6296
Seattle, WA 98115
(425) 885-6296
Grades: 1-12
| 37 students
Dartmoor School![Dartmoor School Photo - Dartmoor Bothell Campus Dartmoor School Photo - Dartmoor Bothell Campus]()

Alternative School
19515 North Creek Pkwy. #208
Bothell, WA 98011
(425) 885-6296
Bothell, WA 98011
(425) 885-6296
Grades: 1-12
| 29 students
Enlightium Academy![Enlightium Academy Photo Enlightium Academy Photo]()

(Christian)
1330 N. Washington Street, Suite 5050
Spokane, WA 99201
(866) 488-4818
Spokane, WA 99201
(866) 488-4818
Grades: K-12
| 4,952 students
4224 E. 4th Ave
Spokane, WA 99202
(509) 924-4618
Spokane, WA 99202
(509) 924-4618
Grades: PK-12
| 116 students
214 E. Galer Street, Suite 200
Seattle, WA 98102
(877) 673-8893
Seattle, WA 98102
(877) 673-8893
Grades: 6-12
| n/a students
16571 Creative Drive NE
Poulsbo, WA 98370
(360) 598-5954
Poulsbo, WA 98370
(360) 598-5954
Grades: 6-12
| 90 students
202 E 56th Street
Tacoma, WA 98404
(253) 475-9513
Tacoma, WA 98404
(253) 475-9513
Grades: K-12
| 217 students
2495 140th Ave NE Suite D-210
Bellevue, WA 98005
(425) 401-6844
Bellevue, WA 98005
(425) 401-6844
Grades: 6-12
| 40 students
1701 Ellis St # 215
Bellingham, WA 98225
(360) 671-8085
Bellingham, WA 98225
(360) 671-8085
Grades: 6-12
| 33 students
5017 90th Avenue SE
Mercer Island, WA 98040
(206) 232-5272
Mercer Island, WA 98040
(206) 232-5272
Grades: 9-12
| 65 students
18301 Military Road S
Seattle, WA 98188
(206) 246-8241
Seattle, WA 98188
(206) 246-8241
Grades: K-12
| 586 students
Sound Christian Academy![Sound Christian Academy Photo Sound Christian Academy Photo]()

(Christian)
2310 South 66th Street
Tacoma, WA 98409
(253) 475-7226
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
Bellevue, WA 98005
(425) 437-2700
Grades: 8-12
| n/a students
12280 Woodinville Redmond Rd Ne
Redmond, WA 98052
(425) 380-5670
Redmond, WA 98052
(425) 380-5670
Grades: 5-12
| 276 students
15900 Woodinville-Redmond Rd
Woodinville, WA 98072
(425) 481-2228
Woodinville, WA 98072
(425) 481-2228
Grades: K-12
| 177 students
Jefferson Community School![Jefferson Community School Photo - JCS in Nepal 2017 Jefferson Community School Photo - JCS in Nepal 2017]()

Special Program Emphasis
280 Quincy St Ste I
Port Townsend, WA 98368
(360) 385-0622
Port Townsend, WA 98368
(360) 385-0622
Grades: 7-12
| 16 students
911 E Division Ave
Ephrata, WA 98823
(509) 754-5558
Ephrata, WA 98823
(509) 754-5558
Grades: PK-10
| 82 students
2908 228th Ave SE, Ste B
Sammamish, WA 98075
(425) 562-3545
Sammamish, WA 98075
(425) 562-3545
Grades: 6-12
| 176 students
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