PrivateSchoolCost
Catholic Grades 9–12

Seattle Preparatory School Tuition 2026

Annual tuition: $20,000/year62% above national avg . Located in Seattle, Washington.

$20,000
Annual Tuition
$1,667
Per Month
630
Enrolled Students
$332,536
K–12 Total Est.

How Seattle Preparatory School Compares

Seattle Preparatory School $20,000/yr
Washington Average $13,450/yr
National Average $12,350/yr

Seattle Preparatory School tuition is 49% above Washington avg.

Tuition by Grade Level

High School (9–12)
Reported school tuition.
$20,000/yr

K–12 Total Cost Projection

At $20,000/year with 4% annual tuition increases, sending one child through K–12 at Seattle Preparatory School would cost approximately:

$332,536

Estimate assumes 13 years (K–12) at 4% annual increase. Actual costs vary — contact the school for current rates. Use our calculator for your state's average →

School Information

Location
Seattle, WA
Affiliation
Catholic
Grades Offered
9–12
Enrollment
630 students
School Type
Catholic
Data Source
NCES PSS 2021–22

Frequently Asked Questions

How much does Seattle Preparatory School tuition cost?

Seattle Preparatory School charges $20,000/year in 2026 — 62% above the national average of $12,350/year national average. Located in Seattle, Washington. Source: NCES Private School Universe Survey.

What is the total cost of attending Seattle Preparatory School from K–12?

At the current tuition of $20,000/year with 4% annual increases, the projected K–12 total for Seattle Preparatory School is approximately $332,536. This estimate assumes tuition increases at the historical 3–5% annual rate for private schools.

How does Seattle Preparatory School tuition compare to other Washington private schools?

Seattle Preparatory School's tuition of $20,000/year is $6,550 above the Washington private school average of $13,450/year. This places it among the higher-cost private schools in Washington.

Does Seattle Preparatory School offer financial aid?

Most private schools, including Catholic schools, offer need-based financial aid. Nationally, about 27% of private school students receive aid averaging 48% of tuition. Contact Seattle Preparatory School's admissions office directly for current aid availability and application requirements.

Tuition data sourced from the NCES Private School Universe Survey 2021–22. Figures represent reported or estimated annual tuition. Actual costs may vary — contact the school directly for current tuition, fees, and financial aid information. Data last updated March 2026.