St. Mary's School

Tel: (949)448-9027
Grades: NS-8 | 715 students
St. Mary’s is an International Baccalaureate (IB) World School dedicated to inquiry-based academic excellence, developing well-rounded, confident children who flourish in a creative environment founded on Christian values.
As the only primary school in Orange County to offer the IB program, the school promotes critical thinking and focuses on developing skills to meet the challenges of a global, technological economy.
Coupled with strong athletic programs, extended care, enrichment classes and summer programs, students in preschool through grade eight develop the life-long practice of learning, leading and serving.

School Overview

School Membership(s)School Assoc. National Association for the Education of Young Children
National Association of Independent Schools (NAIS)
State or regional independent school association
Other school association(s)
Western Association of Schools and Colleges (WASC)
International Baccalaureate (IB) World School
California Association of Independent Schools (CAIS)
Religious Affiliation Christian
Grades Offered Grades Nursery/Preschool-8
Year Founded 1994

Student Body

Total Students 715 students
Student Body Type Co-ed
% Students of Color
State avg.: 44%
Students by Grade St. Mary's School Student By Grade

Academics and Faculty

% Faculty w/Advanced Degree
Average Class Size 19 students
Classroom Dress Code Formal
(Uniform Required)

Finances and Admission

Yearly Tuition Cost $11,500
Tuition Notes Preschool: $10,300 Lower School: $11,500 Middle School: $11,750
% on Financial Aid
Acceptance Rate
National avg.: 85%
Admissions Director Jennifer Risner


Total Sports Offered 7 sports
Sports Basketball, Cheering, Flag Football, Golf, Lacrosse, Track and Field, VolleyballBasketballCheering,
Flag FootballGolf,
LacrosseTrack and Field,


Total ExtracurricularsTotal Extra-curric. 12 extracurriculars
ExtracurricularsExtra-curric. ASB, After School Enrichment, Ceramics, Drumline, Extended Care, Field Studies, Field Studies, International Exchange, Orchestra, Science Clubs, Theatre, Visual Arts ASB, Ceramics, Drumline, Extended Care, Field Studies, Field Studies, Orchestra, Science Clubs, Theatre, Visual Arts, After School Enrichment,
International Exchange,

School Notes

  • St. Mary's is the only authorized Preschool-Grade 8, International Baccalaureate (IB) World School in Orange County. Our academic program provides the foundation to cultivate future global leaders for an increasingly diverse and technological society.

Profile last updated: 09/11/2015

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Did You Know?
The average private school tuition in Orange County, CA is $8,458 for elementary schools and $17,501 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Orange County, CA is 88% (read more about average acceptance rates across the country).