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Washington Private High Schools Belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia)

For the 2026-27 school year, there are 57 private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) serving 16,893 students in Washington. You can also find more schools membership associations in Washington.

The private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington include Auburn Adventist Academy, Cascade Christian Junior High/High School, and The Bear Creek School.

The average tuition cost is $21,649, which is higher than the Washington private high school average tuition cost of $17,441.

52% of private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington are religiously affiliated (most commonly Christian and Seventh Day Adventist).

Quick Facts (26-27)

# Private Schools: 57

Quick Facts (26-27)

# Private Schools: 57

Frequently Asked Questions

What are the top ranked private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington?

The private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington include Auburn Adventist Academy, Cascade Christian Junior High/High School, and The Bear Creek School.

How many private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Washington?

57 private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Washington.

How much do private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) cost in Washington?

The average tuition cost is $21,649, which is higher than the Washington private school average tuition cost of $17,441.

How diverse are private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington?

Washington private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are approximately 28% minority students, which is lower than the Washington private school average of 30%.

What percentage of private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are religiously affiliated in Washington?

52% of private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington are religiously affiliated (most commonly Christian and Seventh Day Adventist).

Washington Private High Schools Belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) Trends

58

Private Schools

16,893

Students

$21,649

Avg. Tuition

28%

Students of Color

12:1

Student-Teacher Ratio

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