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

Endorse Castilleja School. Endorsements should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
  • Academic or athletic awards
Endorse this school:

Recent Articles

U.S. Private Schools: A Guide for International Students
U.S. Private Schools: A Guide for International Students
Dive into the nitty-gritty of attending U.S. private schools as an international student. From tackling the admissions maze to conquering the TOEFL, this guide's got you covered. We'll walk you through visa hurdles, financial realities, and even virtual campus tours. Buckle up for an insider's look at making your American education dreams a reality!
Early Childhood Education: A Guide for Parents of 1 and 2 Year Olds
Early Childhood Education: A Guide for Parents of 1 and 2 Year Olds
In this article we explore three popular approaches to early childhood education: Montessori, Reggio Emilia, and Waldorf. It provides parents of toddlers with essential information about each method, helping them make informed decisions about their child's early education.
Making the Right Choice: A Parent's Guide to Private School Selection
Making the Right Choice: A Parent's Guide to Private School Selection
We explore the reasons to consider private school education, compares boarding and day school options, and outlines essential factors in choosing the right school. It provides parents with valuable insights to make informed decisions about their child's education, drawing from real-world scenarios and expert advice.

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

Request Information

Did You Know?

The average private school tuition in Palo Alto, CA is $35,560 for elementary schools and $41,267 for high schools (read more about average private school tuition across the country).

Related School Videos

Quick Links