At a Glance


Castilleja is an independent school for girls in grades 6-12.


Our Students

Castilleja’s student body reflects the cultural and economic diversity of our region.

Many students live in Palo Alto and surrounding communities, while others commute from San Francisco to the north, San Jose to the south, and various neighborhoods in the East Bay.

Our challenging 6th through 12th academic program is enhanced by our global curriculum, Social and Emotional Learning (SEL) programming, and leadership opportunities at all grade levels.

Castilleja fosters leadership skills in the classroom and in a variety of co-curricular offerings, including athletics, clubs, community action, student government, dramatic and musical performances, peer tutoring, teaching assistantships, and internships.

Our Faculty

We are passionate about teaching young women to become intellectual partners through mentorship.

Castilleja faculty members are dedicated to educating young women for a lifetime of learning and leading and have been recognized by local, state, and national organizations for their contributions to student learning on our own campus and beyond.

Our Facilities

At Castilleja, learning is dynamic and exciting. Some lessons takes place in classrooms and science labs, while others happen in studios dedicated to art, music, drama, or video production. Additional campus features include:

Bourn Idea Lab

This state-of-the-art fabrication workshop features 3D printers, a laser cutter, traditional woodshop tools, robotics equipment, electronics components, microcontrollers, and so much more!

castilleja school bourn lab

Awareness, Compassion and Engagement Center (ACE)

Our campus resource for leadership, diversity, and global curriculum offers opportunities for internships and community engagement on local, national, and international levels.

Elizabeth Hughes Chapel Theater

The primary performance space on campus, our Chapel Theater features all-new sound and lighting systems with a dedicated control room where students practice production skills and techniques.

Margarita Espinosa Library

This communal open space for study and extended classroom work is supported by a variety of traditional and new media resources.

Joan Z. Lonergan Fitness and Athletics Center

Our multi-level facility encompasses two full gymnasiums, a cardio and weight-training room, a dance space, a yoga/spin studio, and an indoor climbing wall.

castilleja school athletic facility

Anita Seipp Gallery

This 1,000-square-foot art gallery features rotating exhibits by students and professional artists.

castilleja anita seipp gallery

424

students in grades 6–12

 

236

students in high school

188*

students in middle school
*Sixty-two 6th graders enrolled at JCC Satellite Campus

69%

students of color

 

15

average class size

 

7:1

student to faculty ratio

 

62

full and part time faculty

 

87%

of faculty and staff have advanced degrees

 

74%

of students compete on at least one athletic team

 

21%

of students receive tuition assistance

 

$4

million in tuition assistance granted each year

$70

million endowment

 

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Castilleja Athletics


ACE Center


Library


Dance Department

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