BASIS Independent School of Bothell Top 3 · Highest Avg. ACT Score (WA)

Evergreen Academy Preschool & Elementary School of Bothell

The Bear Creek School Top 6 · Highest Avg. SAT Score (WA)

Home > Washington

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

For the 2026-27 school year, there are 41 private preschools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) serving 13,604 students in Washington. You can also find more schools membership associations in Washington.

The private preschools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington include BASIS Independent School of Bothell, All Saints Elementary School, and Bethlehem Lutheran School.

The average tuition cost is $14,488, which is higher than the Washington private preschool average tuition cost of $13,185.

71% of private preschools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington are religiously affiliated (most commonly Christian and Catholic).

Quick Facts (26-27)

# Private Schools: 41

Quick Facts (26-27)

# Private Schools: 41

Frequently Asked Questions

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

The private preschools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington include BASIS Independent School of Bothell, All Saints Elementary School, and Bethlehem Lutheran School.

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

41 private preschools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Washington.

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

The average tuition cost is $14,488, which is higher than the Washington private school average tuition cost of $13,185.

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

Washington private preschools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are approximately 27% minority students, which is lower than the Washington private school average of 32%.

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

71% of private preschools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Washington are religiously affiliated (most commonly Christian and Catholic).

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

42

Private Schools

13,604

Students

$14,488

Avg. Tuition

27%

Students of Color

15:1

Student-Teacher Ratio

Recent Articles

Can Private Schools Raise Fees After You Sign?

November 03, 2026

Can Private Schools Raise Fees After You Sign?

Can private schools increase mandatory fees after enrollment contracts are signed? Learn how contract terms, fee disclosures, state laws, and parent rights affect unexpected charges and available options.

Financial Aid When a Sibling Graduates Private School

November 03, 2026

Financial Aid When a Sibling Graduates Private School

Learn how private school financial aid may change when an older sibling graduates, including revised family contributions, sibling discounts, college expenses, renewal decisions, and practical steps to protect affordability.

Private School Expansion: Preserving School Culture

November 03, 2026

Private School Expansion: Preserving School Culture

Discover how growing private schools can expand enrollment while preserving small classes, personal attention, strong relationships, and school culture, plus essential questions parents should ask before choosing a school.

Quick Links

SCHOOL SEARCH TOOLS:

SCHOOL BY TYPE (WA):

OPEN-HOUSES & JOBS:

Open houses in Washington (57)

PUBLIC & BOARDING SCHOOLS:

PRIVATE SCHOOL DATA:

Most Popular Articles

Enrollment Trends 2026: Private School Admissions Outlook

Enrollment Trends 2026: Private School Admissions Outlook

School Rankings by Category

School Rankings by Category

Year-Round Schooling: Pros and Cons (2026 Guide)

Year-Round Schooling: Pros and Cons (2026 Guide)

More Articles

Opinion
Running a Private School
Paying For It
High School
Archives