September 22, 2023 - San Antonio Christian School

1722 E. 8th Street

Ontario, CA 91764

(909) 982-2301

Office Line

Summer Office Hours

Monday - Friday 8 am - 12 pm
Appointment by Request
909-648-8009

Annual Fall Festival

This year’s Fall Festival is less than three weeks away and we are looking for vendors! Please spread the news! This is one of our biggest fund-raisers for the entire […]

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We would love to show you around our beautiful campus

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