Assumption School serves 200 students in grades Prekindergarten-8, is a member of the National Catholic Educational Association (NCEA).
The student:teacher of Assumption School is 14:1 and the school's religious affiliation is Catholic.
Quick Facts (2025-26)
- Top Ranked WA School
- Grades: Prekindergarten-8
- Enrollment: 200 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Assumption School ranks among the top 20% of private schools in Washington for:
Category
Attribute
School History
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1864
School Calendar
Student Body
Total Students
200 students
Student Body Type
Co-ed
% Students of Color
21%
State avg.: 31%
Students by Grade

Academics and Faculty
Total Classroom Teachers
14 teachers
Student-Teacher Ratio
14:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Application URL
School Notes
- School Motto: Be who you are and be that well.
Source: Verified school update
Frequently Asked Questions
What schools are Assumption School often compared to?
Assumption School is often viewed alongside schools like Liberty Christian School by visitors of our site.
What is Assumption School's ranking?
Assumption School ranks among the top 20% of private schools in Washington for: Oldest founding date.
When is the application deadline for Assumption School?
The application deadline for Assumption School is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse Assumption School. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.

A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.

The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.