Castilleja School Photo #9 - Our multi-story athletics center includes spinning, a yoga studio, rock climbing wall, cardio room, and dance studio in addition to two full-size gymnasiums.

Castilleja School

Quick Stats (2024-25)

  • Top Ranked CA School
  • Grades: 6-12
  • Enrollment: 424 students
  • Yearly Tuition: $59,600
  • 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

Religious Affiliation
Grades Offered
Grades 6-12
Year Founded
1907

Student Body

Total Students
424 students
Student Body Type
% Students of Color
53%
State avg.: 51%
Students by Grade
Castilleja School Student By Grade

Academics and Faculty

Total Classroom Teachers
62 teachers
Student : Teacher Ratio
7:1
National avg.: 13:1
% Faculty w/Advanced Degree
87%
Average Class Size
15 students
List of Courses Offered
Average SAT score
1480
(Out of 1600)
Average ACT score
33
(Out of 36)
Matriculation DataMatric. Data
Classroom Dress Code
Formal
Uniform

Tuition and Acceptance Rate

Admission Deadline
Jan. 9
Yearly Tuition Cost
Tuition Notes
$4 million in Tuition Assistance per year
% on Financial Aid
22%
Admissions Director
Jill Lee
Admissions Associate
aayala@castilleja.org
Endowment Size
$70 million

Sports

School Notes

  • To learn more about the student experience at Castilleja, please visit www.castilleja.org
  • Women Learning, Women Leading
  • Since 1907, Castilleja has been creating confident thinkers and compassionate leaders in the only non-sectarian all-girls middle and high school in the San Francisco Bay area. We are a vibrant, inclusive, and equitable community that remains true to our founding principles, the 5Cs-conscience, courtesy, character, courage, and charity. At Castilleja, each girl can develop confidence, make choices, and learn skills that allow her to discover what's possible for her.
  • School Mission
  • Castilleja School educates motivated young women to become confident thinkers and compassionate leaders with a sense of purpose to effect change in the world.
Source: Verified school update

Frequently Asked Questions

How much does Castilleja School cost?
Castilleja School's tuition is approximately $59,600 for private students.
What schools are Castilleja School often compared to?
Castilleja School is often viewed alongside schools like The Girls' Middle School by visitors of our site.
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?
When is the application deadline for Castilleja School?
The application deadline for Castilleja School is Jan. 9.
In what neighborhood is Castilleja School located?
Castilleja School is located in the Old Palo Alto neighborhood of Palo Alto, CA.

School Reviews

  5.00 out of 5  (2 reviews)
5  
Zeitgeist of all prep schools. 100% college admission rate. 100% your daughter will be highly successful and abundant in means. Castilleja produces winners, not supplicants.
- Posted by
5  
Fun athletic energetic school with good teachers
- Posted by

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Quick Stats (2024-25)

  • Top Ranked CA School
  • Grades: 6-12
  • Enrollment: 424 students
  • Yearly Tuition: $59,600
  • Average class size: 15 students
  • Application Deadline: Jan. 9
  • Source: Verified school update

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Did You Know?

The average private school tuition in Palo Alto, CA is $35,315 for elementary schools and $41,267 for high schools (read more about average private school tuition across the country).

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