Montessori Children's House Photo - Our Elementary students on our climbing boulder.

Best Washington Private Elementary Schools Belonging to National Council for Private School Accreditation (2025-26)

For the 2025-26 school year, there are 7 private elementary schools belonging to National Council for Private School Accreditation serving 1,246 students in Washington. You can also find more schools membership associations in Washington.
The top ranked private elementary schools belonging to National Council for Private School Accreditation in Washington include Olympia Christian School, Cascade Christian Academy, and The Sammamish Montessori School.
The average acceptance rate is 92%, which is higher than the Washington private elementary school average acceptance rate of 81%.
71% of private elementary schools belonging to National Council for Private School Accreditation in Washington are religiously affiliated (most commonly Seventh Day Adventist).

Top Ranked Private Elementary Schools Belonging to National Council for Private School Accreditation in Washington (2025-26)

School
Location
Quick Facts
Olympia Christian School
Olympia Christian School Photo
(Seventh Day Adventist)
(1)
1215 Ethel St NW
Olympia, WA 98502
(360) 352-1831
Gr: K-8 Avg. class size: 10 students Tuition & acceptance rate listed
Buena Vista SDA School
(Seventh Day Adventist)
3320 Academy Drive SE
Auburn, WA 98092
(253) 833-0718
Gr: PK-8 | 227 students Avg. class size: 22 students Sports: 3 | Extracurrculars: 3 Tuition & acceptance rate listed
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
Gr: PK-12 | 444 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 4 Tuition & acceptance rate listed
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
Gr: PK-10 | 70 students Avg. class size: 18 students Extracurrculars: 2 Tuition & acceptance rate listed
The Sammamish Montessori School
The Sammamish Montessori School Photo - Students delve into a variety of hands-on math work that help them to solidly grasp the concept of quantity and math equations. In this case a kindergarten student has completed the Birds Eye View math work quantifying golden beads from one to 9,999.
Montessori School
(1)
7655 178th Place Ne
Redmond, WA 98052
(425) 883-3271
Gr: PK-1 | 250 students Avg. class size: 20 students Tuition & acceptance rate listed
Yakima Adventist Christian School
Yakima Adventist Christian School Photo
(Seventh Day Adventist)
1200 City Reservoir Rd
Yakima, WA 98908
(509) 966-1933
Gr: PK-10 | 91 students Avg. class size: 18 students
Montessori Children's House
Montessori Children's House Photo - Our Elementary students on our climbing boulder.
Montessori School
(1)
5003 218th Ave Ne
Redmond, WA 98053
(425) 868-7805
Gr: NS-6 | 164 students Avg. class size: 17 students Tuition & acceptance rate listed

Recent Articles

Understanding Private School Tuition in 2025
Understanding Private School Tuition in 2025
Explore updated private school tuition trends, costs, policy shifts, and financial planning insights for 2025 families considering private education.
Private School Curriculum in 2025: Key Courses and Trends
Private School Curriculum in 2025: Key Courses and Trends
Explore what private schools are teaching in 2025, from core subjects and AI to global studies and tuition trends shaping private education today.
Sliding-Scale & Income-Based Tuition Models for Private Schools
Sliding-Scale & Income-Based Tuition Models for Private Schools
Learn how sliding-scale and income-based tuition models work and whether they are right for your family. Compare costs, eligibility, and school options.