San Antonio Christian School (SACS) is a Seventh-day Adventist Christian school offering grades TK- 8th on a beautiful campus in Ontario, California.

We provide a safe and enjoyable environment for our students to learn and grow mentally, physically, and spiritually. A Bible-based curriculum is at the core of our program, and our staff is dedicated to leading students academically and spiritually.

At SACS, we’re proud of all that we are able to offer our students.


Our History

Find out about our school, dedicated teachers, and our great programs!

Our Work

Review our curriculum, programs and admissions, that show our dedication to your child.