Tri-City Adventist School is a Kindergarten through 10th grade Christian school, which exists to develop spiritual ideals in its students.
The ultimate objective of Christian education is the development of character.
We encourage forming good habits through self-discipline governed by Christian principles.
The school was originally formed in 1962 to offer Christian education to the Tri-City area.
It is supported by three local Seventh-day Adventist churches--Pasco Riverview SDA Church, Richland SDA Church, and Kennewick SDA Church.
Even though TCAS has been established primarily for Seventh-day Adventist families, enrollment is open to others who support the philosophy and objectives of Seventh-day Adventist Christian education.
Tri-City Adventist School in Pasco, WA, is a kindergarten through grade 10 Seventh-day Adventist school providing quality Christian education that teaches and supports biblical values for family life and service.
Quick Facts (2025-26)
- Grades: Kindergarten-10
- Enrollment: 111 students
- Application Deadline: None / Rolling
- Source: Verified school update
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Kindergarten-10
Year Founded
1962
School Calendar
Student Body
Total Students
111 students
Student Body Type
Co-ed
% Students of Color
22%
State avg.: 31%
Students by Grade

Academics and Faculty
Total Classroom Teachers
7 teachers
Student-Teacher Ratio
16:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Application URL
Source: Verified school update
Frequently Asked Questions
When is the application deadline for Tri-city Adventist School?
The application deadline for Tri-city Adventist School is rolling (applications are reviewed as they are received year-round).
School Reviews
5 5/12/2023
TCAS is a loving and safe place. Teachers really care about the success of students.
Endorse Tri-city Adventist 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.