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St. Alphonsus School

5816 15th Ave Nw, Seattle, WA 98107Open, per Google (checked Oct 2, 2026)

PreK-8 grades
139 students
10.5 students per teacher

St. Alphonsus School is a Roman Catholic private school in Seattle, WA teaching grades PreK-8. It reported 139 students and about 10.5 students for every teacher in the 2023-24 federal survey.

Paying for private school in Washington

No state program pays private school tuition. What Washington families can use instead.

School facts

Grades
PreK-8
Students
139
Teachers
14
Students per teacher
10.5
Student body
Coeducational
Affiliation
Roman Catholic
Setting
City

Member of: National Catholic Educational Association

These are the numbers the school gave the U.S. Department of Education for the 2023-24 school year, published in July 2026. The survey counts students in kindergarten to grade 12, not pre-K. Enrollment and staffing move every year, so ask the school for today’s figures. Where this comes from. Something wrong? Tell us and we will fix it.

St. Alphonsus School tuition

We have not verified a tuition figure for St. Alphonsus School yet. Every private school sets its own price and most share it on request: ask for the full-year tuition for your child’s grade plus required fees, or look for a tuition page on the school’s website.

Questions to ask St. Alphonsus School

  1. What is the full-year tuition for my child’s grade, and which fees are required on top of it?
  2. Is there a waitlist or an application deadline for my child’s grade?
  3. Do you offer financial aid, sibling discounts or payment plans?

A school is the only source for its current price and open seats. Its website or admissions office can answer these.

Other private schools nearby

SchoolGradesStudentsPer teacherAffiliationMiles
Matheia SchoolK-5496.7Nonsectarian<1
Lighthouse MontessoriPreK-K2not reportedNonsectarian<1
Northwest Montessori SchoolPreK-65513.8Nonsectarian1
Kapka Cooperative SchoolK-5667.9Nonsectarian1
St. John SchoolPreK-846920.1Roman Catholic1
St. Benedict SchoolPreK-818612.1Roman Catholic2
Our Lady of Fatima SchoolPreK-825013Roman Catholic2
Discovery Montessori SchoolPreK-K55Nonsectarian2

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