July 31, 2025 - San Antonio Christian School

1722 E. 8th Street

Ontario, CA 91764

(909) 982-2301

Office Line

Office Hours

Monday - Thursday 9 am - 3 pm
Friday 9 am - 1 pm

Eagle’s Nest – May 2025

IMPORTANT DATES TO REMEMBER MONTH AT A GLANCE: May 2: MAP Testing Completed Mat 5: Chapel May 5-9: Teacher Appreciation Week May 8: LA County Fair May 9: “Donut” Mess […]

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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.