Carondelet is a four-year Catholic high school serving young women of Contra Costa County.
Since its founding in 1965, Carondelet has carried on a proud tradition of Christian community and academic excellence.
Students are offered a full college preparatory curriculum. Our focus is a single-sex, comprehensive educational program designed to prepare women for leadership and service.
On the junior and senior level, Carondelet and De La Salle, an adjacent Catholic boys' school, combine course offerings.
Quick Stats (2025)
- Top Ranked CA School
- Grades: 9-12
- Enrollment: 800 students
- Yearly Tuition: $23,800
- Average class size: 28 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Carondelet High School ranks among the top 20% of private schools in California for:
Category
Attribute
Student Body
AP Courses
Sports offered
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Year Founded
1965
Summer School Offered
Yes
Student Body
Total Students
800 students
Student Body Type
% Students of Color
37%
State avg.: 51%
Students by Grade
Academics and Faculty
Total Classroom Teachers
52 teachers
Student : Teacher Ratio
15:1
National avg.: 13:1
% Faculty w/Advanced Degree
29%
Average Class Size
28 students
Number of AP Courses
24 courses
List of Courses Offered
Advanced Courses
AP Biology, AP Calculus AB, AP English Lit & Composition, AP English Literature, AP Environmental Science, AP Govt & Politics, AP Physics-B, AP Psychology, AP Spanish, AP Studio Art: Drawing, AP Studio Art: 2-D Design, AP Studio Art: 3-D Design, AP US History, Honors Alg 1, Honors Alg 2 w/Trig, Honors Bio, Honors Chem, Honors Concert Choir, Honors English 2, Honors French 4, Honors Geometry, Honors Physics, Honors Spanish 3
Average SAT score
1215
(Out of 1600)
Average ACT score
27
(Out of 36)
Matriculation DataMatric. Data
Classroom Dress Code
Formal
see website
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$23,800
Tuition Notes
tuition cost includes $400 non-refundable deposit, books and uniform pieces additional
% on Financial Aid
47%
Admissions Director
Lesley Schooler
Admissions Associate
Sonia Wilson
Sports
Total Sports Offered
16 sports
Sports
School Notes
- Mission Statement
- Carondelet High Schoolinspires excellence by preparing young women to live with heart, faith and courage in the Catholic tradition and spirit ofthe Sisters of St. Joseph.
- Vision Statement
- A Carondeletgraduate is empowered by her Catholic, college-preparatory education and is known as a woman who responds to the needs of the times and makes a positive difference.
- Philosophy Statement
- As a shared endeavor with the Sisters of St. Joseph of Carondelet, the Carondelet High School community undertakes to enrich significantly the lives of young persons entrusted to them through education based on the following beliefs:
- We believe that education is a religious activity as stated in the Catholic tradition, and we seek to open students to a knowledge that they are children of God and bear responsibilities as members of the human community.
- We believe in the development within the school of a Christian community which enriches the lives of our students, promotes their spiritual growth, and fosters their concern for the global community.
- We believe in the pursuit of educational excellence, the encouragement of creativity, and the support of intellectual curiosity, inquiry, and integrity.
- We believe in the dignity of the individual, the value of diversity, and the need for reconciliation and mutual respect.
- We believe in an environment which nurtures personal well-being and healthy lifestyles.
- We believe that we are called to challenge our students to be good citizens, capable of leadership and responsive to the needs of others.
Source: Verified school update
Frequently Asked Questions
How much does Carondelet High School cost?
Carondelet High School's tuition is approximately $23,800 for private students.
What sports does Carondelet High School offer?
Carondelet High School offers 16 interscholastic sports: Badminton, Basketball, Cheering, Cross Country, Dance, Diving, Golf, Lacrosse, Rugby, Soccer, Softball, Swimming, Tennis, Track and Field, Volleyball and Water Polo. Carondelet High School is ranked as one of the top 20% of private schools in California for most sports offered.
What is Carondelet High School's ranking?
Carondelet High School ranks among the top 20% of private schools in California for: Largest student body, Most AP courses offered and Most sports offered.
When is the application deadline for Carondelet High School?
The application deadline for Carondelet High School is rolling (applications are reviewed as they are received year-round).
School Calendar
View the Carondelet High School yearly calendar below. Note key dates such as:
Event
Date
No School: Spring Break
March 24, 2025 (Monday)
No School: Spring Break
March 25, 2025 (Tuesday)
No School: Spring Break
March 26, 2025 (Wednesday)
No School: Spring Break
March 27, 2025 (Thursday)
No School: Spring Break
March 28, 2025 (Friday)
Related Schools
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People that viewed Carondelet High School also viewed these schools: Berean Christian High School, Contra Costa Christian School, Bentley School, The Athenian School and St. Mary's College High School.
The nearest high school to Carondelet High School is De La Salle High School (0.0 miles away)
The nearest elementary school is St. Francis Of Assisi (0.6 miles away)
The nearest preschool is Kla Schools Of Walnut Creek (0.5 miles away)
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Show me:
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Location
Miles
Grades
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