Lewis County Adventist School Photo - We are in a quiet and beautiful country setting, just outside the city limits of Chehalis. Grades offered are Preschool-10th. Our school sits on a hill and has a fantastic view of Mt. Rainier, Mt. St. Helens and Mt. Adams.

Top 3 Best Washington Private High Schools Belonging to National Council for Private School Accreditation (2025)

For the 2025 school year, there are 4 private high schools belonging to National Council for Private School Accreditation serving 741 students in Washington. You can also find more schools membership associations in Washington.
The top ranked private high schools belonging to National Council for Private School Accreditation in Washington include Cascade Christian Academy, Walla Walla Valley Academy, and Lewis County Adventist School.
The average acceptance rate is 96%, which is higher than the Washington private high school average acceptance rate of 86%.
100% of private high schools belonging to National Council for Private School Accreditation in Washington are religiously affiliated (most commonly Seventh Day Adventist).

Top Ranked Private High Schools Belonging to National Council for Private School Accreditation in Washington (2025)

School
Location
Grades
Students
Cascade Christian Academy
Cascade Christian Academy Photo - CCA high school students on Make A Difference Day, cleaning up at Camp Zanika.
(Seventh Day Adventist)
(5)
600 N Western Ave
Wenatchee, WA 98801
(509) 662-2723
Grades: PK-12
| 444 students
Lewis County Adventist School
Lewis County Adventist School Photo - We are in a quiet and beautiful country setting, just outside the city limits of Chehalis. Grades offered are Preschool-10th. Our school sits on a hill and has a fantastic view of Mt. Rainier, Mt. St. Helens and Mt. Adams.
(Seventh Day Adventist)
(3)
2102 S. Scheuber Rd.
Chehalis, WA 98532
(360) 748-3213
Grades: PK-10
| 78 students
Walla Walla Valley Academy
(Seventh Day Adventist)
300 Sw Academy Way
College Place, WA 99324
(509) 525-1050
Grades: 9-12
| 128 students
Yakima Adventist Christian School
Yakima Adventist Christian School Photo
(Seventh Day Adventist)
1200 City Reservoir Rd
Yakima, WA 98908
(509) 966-1933
Grades: PK-10
| 91 students

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