Parent and Student Hub | Ontario Christian School

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....

Top 5 Reasons Families Choose Ontario Christian School

Top 5 Reasons Families Choose Ontario Christian School Choosing the right school for your child is one of the most important decisions a family can...

Join Us for OC’s Beloved Harvest Festival

Join us for a joyful afternoon of family fun, community, and connection at Ontario Christian’s beloved Harvest Festival hosted by the Ontario Christian Parent Association (OCPA)!

Knightline: 2024-2025 Vol. 2

In this Issue: Beauty and the Beast Jr. OCHS Talent Show Congratulations Class of 2025 The Fight of a Knight

You’re Invited to the 2025 Knights Kickoff Cookout!

Let’s kick off the 2025–2026 school year together! We’re thrilled to welcome all OC families to our annual Knights Kickoff Cookout on Thursday, August 7, from 5:00 p.m. to 7:00 p.m. at our high school campus for an evening of food, fellowship, and fun as we reconnect and prepare for another incredible year at Ontario Christian!

Quick Links

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K-8 Annual Calendar

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Shop With Scrip

Campus Connection Newsletter

November 2025 Volume 2

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Founded in 1944, Ontario Christian is a Christ-centered school providing a college preparatory, Bible-focused curriculum to preschool through 12.

Future Knights, this one’s for you! We’ve answered

What does it really mean to be a covenantal Christ

Volleyball champs, student retreats, chapels, and

At Ontario Christian, “Growing & Going” begins wit

Resources and Downloads

Preschool

Preschool Calendar 2025-26

Preschool Tuition Fee Schedule

Elementary School

Club Impact – Before/After School and Summer Program

Google Classroom Tutorial

K-8 School Counselor

The Latest News

What Does It Mean to Be a Covenantal Christian School?

Jan 7, 2026

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...

Top 5 Reasons Families Choose Ontario Christian School

Nov 14, 2025

Top 5 Reasons Families Choose Ontario Christian School Choosing the right school for your child is one of the most important decisions a family can make. At Ontario Christian School (OC), we frequently hear from our families why they chose to be part of this...

Join Us for OC’s Beloved Harvest Festival

Oct 9, 2025

Join Us for OC's Beloved Harvest Festival Join us for a joyful afternoon of family fun, community, and connection at Ontario Christian’s beloved Harvest Festival hosted by the Ontario Christian Parent Association (OCPA)! There's something for everyone, from...

Campus Information

High School

931 W. Philadelphia St
Ontario, CA 91762

Phone: (909) 984-1756
Fax: (909) 460-0176

Middle School

1907 S. Euclid Avenue
Ontario, CA 91762

Phone: (909) 983-1671
Fax: (909) 984-3270

Elementary School

1907 S. Euclid Avenue
Ontario, CA 91762

Phone: (909) 983-1010
Fax: (909) 984-3270