Best Washington Private Schools Belonging to National Council for Private School Accreditation (2026-27)

For the 2026-27 school year, there are 8 private schools belonging to National Council for Private School Accreditation serving 1,244 students in Washington. You can also find more schools membership associations in Washington.
The top ranked private schools belonging to National Council for Private School Accreditation in Washington include Lewis County Adventist School, Cascade Christian Academy, and Buena Vista SDA School.
The average acceptance rate is 82%, which is same as the Washington private school average acceptance rate of 82%.
75% of private schools belonging to National Council for Private School Accreditation in Washington are religiously affiliated (most commonly Seventh Day Adventist).

Quick Facts (2026-27)

  • # Private Schools: 8

Quick Facts (2026-27)

  • # Private Schools: 8

Top Ranked Private Schools Belonging to National Council for Private School Accreditation in Washington (2026-27)

Olympia Christian School Photo
Gr: K-8
Avg. class size: 10 students
Seventh Day Adventist
1215 Ethel St NW
Olympia, WA 98502
(360) 352-1831
(1)
Map of Buena Vista SDA School
Gr: PK-8 | 227 students
Avg. class size: 22 students
Sports: 3 | Extracurriculars: 3
Seventh Day Adventist
3320 Academy Drive SE
Auburn, WA 98092
(253) 833-0718
Cascade Christian Academy Photo
Gr: PK-12 | 304 students
Avg. class size: 16 students
Sports: 5 | Extracurriculars: 4
Seventh Day Adventist
600 N Western Ave
Wenatchee, WA 98801
(509) 662-2723
(5)
Lewis County Adventist School Photo
Gr: PK-10 | 70 students
Avg. class size: 18 students
Extracurriculars: 2
Seventh Day Adventist
2102 S. Scheuber Rd.
Chehalis, WA 98532
(360) 748-3213
(3)
The Sammamish Montessori School Photo
Gr: PK-1 | 250 students
Avg. class size: 20 students
Montessori School
7655 178th Place Ne
Redmond, WA 98052
(425) 883-3271
(1)
Map of Walla Walla Valley Academy
Gr: 9-12 | 138 students
Avg. class size: 15 students
Sports: 7 | Extracurriculars: 6
Seventh Day Adventist
300 Sw Academy Way
College Place, WA 99324
(509) 525-1050
Yakima Adventist Christian School Photo
Gr: PK-10 | 91 students
Avg. class size: 18 students
Seventh Day Adventist
1200 City Reservoir Rd
Yakima, WA 98908
(509) 966-1933
Montessori Children's House Photo
Gr: NS-6 | 164 students
Avg. class size: 17 students
Montessori School
5003 218th Ave Ne
Redmond, WA 98053
(425) 868-7805
(1)

Frequently Asked Questions

What are the top ranked private schools belonging to National Council for Private School Accreditation in Washington?
The top ranked private schools belonging to National Council for Private School Accreditation in Washington include Lewis County Adventist School, Cascade Christian Academy, and Buena Vista SDA School.
How many private schools belonging to National Council for Private School Accreditation are located in Washington?
8 private schools belonging to National Council for Private School Accreditation are located in Washington.
How diverse are private schools belonging to National Council for Private School Accreditation in Washington?
Washington private schools belonging to National Council for Private School Accreditation are approximately 37% minority students, which is higher than the Washington private school average of 32%.
What percentage of private schools belonging to National Council for Private School Accreditation are religiously affiliated in Washington?
75% of private schools belonging to National Council for Private School Accreditation in Washington are religiously affiliated (most commonly Seventh Day Adventist).

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