A Top-Rated Private Christian School Serving Preschool Through High School Students in the Inland Empire
At Ontario Christian School, you’ll join a Christ-centered and transformative community where students are equipped to be courageous leaders who serve God and others, seek His truth, and impact culture.
Four Divisions. Two Campuses. One School.
Preschool
Elementary School
Middle School
High School
By the Numbers
98%
Average percentage of graduates are seeking higher education.
42.3
Acres of immaculately maintained learning facilities across two campuses
Weekly
Art, Computer, Library, Music, PE, and Spanish classes in K-5th grades.
STEAM
Electives offered in 6th-12th grades, including Robotics and Engineering
27
CIF athletics teams.
$4,000,000
Average in scholarships offered to each class over 4 years.
Recent College Acceptances
UCLA
USC
Penn State
UC Berkeley
New York University
Cornell University
Brown University
Columbia University
UC Irvine
Azusa Pacific University
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Knights Experience High School Open House
Saturday, January 24, 2026
931 W Philadelphia Street Ontario, CA 9176
Step onto our High School Campus and experience what it means to be part of the Christ-centered community. Discover how our Bibically-based education prepares students to think deeply, serve faithfully, and lead with purpose in every area of life.
Knights in the Know
We want every family to feel connected to the Ontario Christian School community. Find out what’s going on by visiting our news section.
What Is a Reformed Worldview?
What Is a Reformed Worldview? Understanding the Foundation of Faith-Based Learning at Ontario Christian At Ontario Christian School, we often use the phrase “Reformed worldview” to describe the foundation of our Christ-centered education. But what does that really...
What Does It Mean to Be a Covenantal Christian School?
What Does It Mean to Be a Covenantal Christian School? At Ontario Christian School, we often describe ourselves as a covenantal Christian school. But what does that really mean? And how does it shape the way we partner with families and churches to raise the next...