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Fast Facts

Senegence gate entrance to St. Mary's School

Explore What Makes St. Mary's Unique!

32

2025-2026 Celebrate our 32nd School Year

6.25

Acre Campus

1994

Year Founded by Father Sillers

720

Students Enrolled

20+

Dozens of Languages Spoken In our Community

10+

Religions Represented

1

Only Independent IB School in Orange County, Calif. with Primary and Middle Years Programmes

155

Talented Faculty and Staff

8/25

Grand Opening of the Sillers Center, Thompson Family Early Education Center, Design Center and Floriani Family Park

 
 
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