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Carondelet High School

1133 Winton Dr Concord, CA 94518
Tel: (925) 686-5353 Ext. 195

Quick Facts (2026-27)

  • Top Ranked CA School
  • Grades: 9-12
  • Enrollment: 800 students
  • Yearly Tuition: $26,565
  • Average class size: 23 students
  • Application Deadline: Dec. 11
  • Source: ✓Verified school update
Carondelet High School Photo #1 - Students hanging in the courtyard.
Carondelet High School Photo #2 - Seniors showcasing Cougar pride at the Welcome Back Rally
Carondelet High School Photo #3 - Class of 2026 Fall Student-Athlete Collegiate Commitment Day
Carondelet High School Photo #4 - Class of 2026 Graduates
Carondelet High School Photo #5 - Seniors at College Celebration Day on a casual, dress down Friday.
Carondelet High School Photo #6 - Students studying in the Jean Hofmann Center for Innovation.
School location map

About the School

  • Carondelet is an inclusive Catholic, college-prep high school located in the East Bay, offering young women a transformative educational experience.

Quick Facts (2026-27)

  • Top Ranked CA School
  • Grades: 9-12
  • Enrollment: 800 students
  • Yearly Tuition: $26,565
  • Average class size: 23 students
  • Application Deadline: Dec. 11
  • Source: ✓Verified school update

School Rankings

Carondelet High School ranks among the top 20% of private schools in California for:

Category
Attribute
Student Body
Sports offered

School Facts

Religious Affiliation
Grades Offered
Grades 9-12
Students By Grade
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Year Founded
1965
Summer School Offered
Yes
Summer Program Details
School Calendar
Last Day of School
Thu. May 27, 2027
Campus Size
15 acres
School Motto
More than high school. Her school.

Student Body

Total Students
800 students
Student Body Type
% Students of Color
64%
State avg.: 52%

Academic Profile

Total Classroom Teachers
50 teachers
Student-Teacher Ratio
16:1
National avg.:
% Faculty w/Advanced Degree
29%
Average Class Size
23 students
Average SAT score
1186
(Out of 1600)
Average ACT score
26
(Out of 36)
Matriculation DataMatric. Data
Classroom Dress Code
Casual
Number of AP Courses
47 courses
List of Courses Offered
Advanced Courses
AP 2-D Art and DesignAP African American Studies
AP BiologyAP Business and Personal Finance
AP Calculus ABAP Calculus BC
AP ChemistryAP Computer Science A
AP Computer Science PrinciplesAP Drawing
AP English Language & CompositionAP English Literature & Composition
AP Environmental ScienceAP European History
AP French Language & CultureAP Human Geography
AP Italian Language & CultureAP Latin Language & Culture
AP MacroeconomicsAP Physics 1: Algebra-Based
AP Physics C (Legacy)AP Precalculus
AP PsychologyAP Seminar
AP Spanish Language & CultureAP Statistics
AP U.S. Government & PoliticsAP U.S. History
Honors Algebra 1Honors Algebra 2
Honors Algebra 2 with TrigonometryHonors Biology
Honors CalculusHonors Chamber Choir
Honors ChemistryHonors English 1
Honors English 2Honors French 3
Honors French 4Honors Geometry
Honors Italian 2Honors Italian 3
Honors PrecalculusHonors Scientific Research
Honors Spanish 3Honors Spanish 4
Honors World History

Tuition & Financial Aid

Admission Deadline
Dec. 11
Yearly Tuition Cost
Tuition Notes
Carondelet tuition includes books, retreats, and registration fees.
% on Financial Aid
52%
College Acceptance Rate
100%
Admissions Director
Lesley Schooler
Admissions Associate
Sonia Wilson
Application URL

Sports

Total Sports Offered
17 sports
Colors
White, Red, Gold
School Mascot
Cougars

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
42 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Animal Careers ClubAsian Pacific Islanders Club
Badminton ClubBlack Student Union
Brick by Brick ClubBring Change to Mind
Cards of Compassion ClubCarondelet Ventures Club
CHS/DLS Walking ClubCougars in Cosmetology Club
Empower Her ClubEntrepreneurship Club
Environmental Awareness and Action ClubFilmmakers Club
Future ImagineersGrounds from Around Club
Jewish ClubLatinas Unidas
Made with Love ClubMath Club
Middle Eastern ClubMock Trial
Model United NationsNational Art Honors Society
Neurodiversity ClubPhilanthropy Club
Rotten Tomatoes ClubSocial Justice Club
Spanish Appreciation ClubSWENext Club
Tri M Music Honor Societyvideo Game Club
Vital Women ClubWomen in Finance Club
Women's History Club


Arts and Music Programs:
Company


Recreational Athletic Programs:
Basketball ClubCougar Nation
Cougars UnitedIntramural Sports
Trap TeamVolleyball Club

School Notes

  • Her School - At Carondelet, her voice is heard, her passions are nurtured, and she's supported by a community that believes in her. Rooted in the mission of the Sisters of St. Joseph, we foster an inclusive environment that embraces all students and values diversity, empathy, service, and social justice.
  • Her Experience - From athletics and the arts to immersion trips and spiritual retreats-our diverse sisterhood provides a caring space where she can explore new interests and build meaningful, lifelong connections.
  • An All-Girls Advantage - Carondelet empowers students to lead without limitations.
  • All-girls classes for the first two years build confidence and voice; through our partnership with De La Salle, juniors and seniors have the opportunity to grow in a co-ed setting.
  • College Prep Curriculum - Our personalized, college preparatory curriculum fosters self-advocacy, collaboration, and critical thinking-equipping each young woman to become an empowered, purpose-driven leader.
  • 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.
  • Sample of notable school alumni/alumnae:
    • Natalie Coughlin Hall '00 - Natalie Coughlin Hall '00 is arguably the most decorated athlete to graduate from Carondelet High School. As a 12-time Olympic medalist, Natalie is tied for the most Olympic medals won by a female swimmer in Olympics history. A three-time Olympic gold medalist, Natalie accumulated 60 medals in her 13-year international swimming career.
    • Jayne Appel Marinelli '06 - Jayne Appel Marinelli '06 is an American former basketball center who played for the San Antonio Stars of the Women's National Basketball Association (WNBA) in 2016. She played collegiate basketball at Stanford University.
    • Tiffany Roberts Sahaydak '95 - Tiffany Roberts Sahaydak '95 is an American soccer coach, former defender, and Olympic gold medalist. She was also a member of the 1999 U.S. national team that won the 1999 FIFA Women's World Cup. She became the 16th player in U.S. history to play over 100 matches for her country and was a founding member of the WUSA, the first women's professional soccer league in the United States.
    • Nancy O’Malley ’71 - Nancy O’Malley ’71 served as the Alameda County District Attorney from September 2009 to her retirement in January 2023. The first woman to serve, she is a nationally recognized expert in issues involving violence against women and persons with disabilities, child abuse, and human trafficking.
Source: Verified school update

Frequently Asked Questions

How much does Carondelet High School cost?
Carondelet High School's tuition is approximately $26,565 for private students.
Who are famous alumni from Carondelet High School?
Carondelet High School famous alumni include: Natalie Coughlin Hall '00, Jayne Appel Marinelli '06, Tiffany Roberts Sahaydak '95 and Nancy O’Malley ’71.
Does Carondelet High School offer a summer program?
Yes, Carondelet High School offers a summer program. Visit their for more information.
What sports does Carondelet High School offer?
Carondelet High School offers 17 interscholastic sports: Badminton, Basketball, Cheering, Cross Country, Dance, Diving, Flag Football, 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, Most sports offered and Most extracurriculars offered.
When is the application deadline for Carondelet High School?
The application deadline for Carondelet High School is Dec. 11.

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Did You Know?

The average private school tuition in Concord, CA is $9,073 for elementary schools and $24,053 for high schools (read more about average private school tuition across the country).

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