Private School Review - Established 2003
Cascade Christian Academy Top 13 ยท Largest Endowment (WA)
Yellow Wood Academy

Best Washington Private Schools Belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) (2026-27)

For the 2026-27 school year, there are 2 private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) serving 438 students in Washington. You can also find more schools membership associations in Washington.
The top ranked private school belonging to Middle States Association Commissions on Elementary and Secondary School (MSA-CESS) in Washington is Cascade Christian Academy.
The average acceptance rate is 92%, which is higher than the Washington private school average acceptance rate of 82%.
50% of private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) in Washington are religiously affiliated (most commonly Seventh Day Adventist).

Quick Facts (2026-27)

  • # Private Schools: 2

Quick Facts (2026-27)

  • # Private Schools: 2

Top Ranked Private Schools Belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) in Washington (2026-27)

Cascade Christian Academy Photo
Cascade Christian Academy
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)
View Profile
Yellow Wood Academy Photo
Yellow Wood Academy
Gr: 4-12 | 134 students
Avg. class size: 1 student
Special Education School
3310 146th Pl SE Suite B
Bellevue, WA 98007
(206) 236-1095
View Profile

Frequently Asked Questions

What are the top ranked private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) in Washington?
The top ranked private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) in Washington is Cascade Christian Academy.
How many private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) are located in Washington?
2 private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) are located in Washington.
What percentage of private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) are religiously affiliated in Washington?
50% of private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) in Washington are religiously affiliated (most commonly Seventh Day Adventist).
2
Private Schools
438
Students
19%
Students of Color
7:1
Student-Teacher Ratio

Recent Articles

When Your Child Outpaces the Private School Curriculum
When Your Child Outpaces the Private School Curriculum
Learn what parents can do when a child finishes private school coursework early, including acceleration, curriculum compacting, advanced classes, enrichment, and signs the school needs a new plan.
How Much Teacher Access Does Your Child Get?
How Much Teacher Access Does Your Child Get?
Learn how to evaluate teacher access at private schools, including extra-help time, advising, communication, academic support, and the questions families should ask before choosing a school today.
When a Private School Teacher Leaves Midyear
When a Private School Teacher Leaves Midyear
When a private school teacher leaves midyear, parents need clear answers. Learn what schools should do, what children may experience, and when a departure signals deeper concerns.

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (WA):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA: