About Castilleja School
Castilleja School educates motivated young women to become confident thinkers and compassionate leaders with a sense of purpose to effect change in the world.
Castilleja School is a private, all-girls institution in Palo Alto, California, serving grades 6 through 12. Established in 1907, it is the only non-sectarian all-girls middle and high school in the San Francisco Bay Area. The school focuses on developing confident thinkers and compassionate leaders with a sense of purpose to effect change in the world.
Core Values
Teaching Philosophy
Castilleja School utilizes an inquiry-based, traditional curriculum designed to empower motivated young women through a rigorous focus on STEM and Advanced Placement coursework. By fostering a culture of innovation and excellence within an all-girls environment, the school prepares students to become confident thinkers and compassionate leaders. The educational approach emphasizes both academic mastery and the development of a purposeful sense of leadership to effect change in the world.
What Makes Castilleja School Special
- Advanced Placement (AP) courses
- STEM education
- Girls' education
Academics
Curriculum
Castilleja School offers Traditional curriculum.
Campus & Facilities
Photo Gallery
Tuition & Financial Aid
$65,300
per year
Admissions
Requirements
- Application form
- Interview
- Reference letters
- Essay
Community & Culture
Castilleja cultivates a community centered on relationships, possibility, and purposeful leadership among motivated young women. Students arrive with their stories still unwritten and are empowered to find their voices through learning to lead with compassion, exploring subjects they love, and venturing outside their comfort zones. The school emphasizes developing initiative, agility, and purpose, with alumni forming a strong sisterhood of courageous young women ready to effect sustainable and equitable change. As a community, Castilleja deeply values diversity, equity, and inclusion and is committed to antiracist teaching and learning.
Diversity & Inclusion
Castilleja is committed to diversity, equity, and inclusion as core values. The school admits students of any race, color, national, and ethnic origin without discrimination in its educational policies, admissions, scholarships, and programs. The school deeply values diversity and is committed to learning from the past and present through antiracist teaching and learning. Castilleja welcomes international students and considers applicants who identify as girls regardless of whether that identity differs from assigned sex at birth. The school actively encourages families from diverse backgrounds to apply and offers robust tuition assistance to ensure economic diversity, with one in five families receiving aid.
Parent Involvement
Parent involvement details are not prominently featured on the website. The site mentions parent questionnaires as part of the admission process and parent/guardian meetings during the admission season, but does not describe ongoing volunteer opportunities, committees, or regular engagement structures for families once students are enrolled.
Contact Castilleja School
Address
1310 Bryant St, Palo Alto, CA, United States
Phone
(650) 328-3160
tuitionassistance@castilleja.org
Website
Visit School Website
Frequently Asked Questions
Common questions about Castilleja School
Castilleja School serves students in grades 6-12.
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