Castilleja School
Quick Stats (2022-23)
- Top Ranked CA School
- Grades: 6-12
- Enrollment: 430 students
- Yearly Tuition: $49,900
- Average class size: 15 students
- Application Deadline: Jan. 9
- Source: Verified school update
Top Rankings
Castilleja School ranks among the top 20% of private schools in California for:
School Overview
Student Body

Academics and Faculty
Tuition and Acceptance Rate
Sports
School Notes
- Founded in 1907 by educator Mary Lockey, Castilleja is the only non-sectarian all-girls middle and high school in the San Francisco Bay Area. More than 100 years since its founding, Castilleja remains true to its mission to give each young woman an "educated heart." Castilleja also remains true to the 5 C's - conscience, courtesy, character, courage, and charity - which set the standard for a responsible and inclusive community.
- Castilleja's pedagogical approach is shaped both by tradition and current research that affirm the significant personal and intellectual advantages of all-girls education. While emphasis is placed on academic development, Castilleja is just as committed to educating the whole person and to developing commpassionate and contributing global citizens.
- The pursuit of our motto, "Women Learning, Women Leading," has led us to infuse our curriculum and progams with relevant, real-world experiences, which develop in each student the skills and self-confidence to reach her full potential. With the support of our extraordinary faculty and staff, we are dedicated to excellence in educating young women to lead in a changing world.
Frequently Asked Questions
How much does Castilleja School cost?
Castilleja School's tuition is approximately $49,900 for private students.
What sports does Castilleja School offer?
Castilleja School offers 11 interscholastic sports: Basketball, Cross Country, Golf, Lacrosse, Soccer, Softball, Swimming, Tennis, Track and Field, Volleyball and Water Polo. Castilleja School is ranked as one of the top 20% of private schools in California for most sports offered.
What is Castilleja School's ranking?
Castilleja School ranks among the top 20% of private schools in California for: Highest average SAT score, Highest average ACT score, Largest student body, Most sports offered, Oldest founding date and Largest endowments.
When is the application deadline for Castilleja School?
The application deadline for Castilleja School is Jan. 9.
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