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Carondelet High School

Independent Catholic school · Grades 9–12

Concord, CA

1133 Winton Dr, Concord, CA 94518

Overall grade: A+

ChooseAPrivateSchool.com grade, from official facts compared with similar schools.

  • A+Class size
  • A-College-going
  • B+Years serving families
  • A+Diversity

What stands out

  • The smallest classes of any Catholic school in Concord
  • Smaller classes than 85% of Catholic schools in California
  • 92% of graduates go to four-year colleges
  • Serving families in Concord since at least 2011

Carondelet High School is an independent Catholic school in Concord, California, for students from 9th grade through 12th grade. It has about 834 students and around 8 students per teacher, smaller classes than 85% of Catholic high schools in California. The school is an all-girls school and is part of the Diocese of Oakland. The school reports that about 92% of its graduates go on to four-year colleges. Students attend about 6.5 hours a day, 181 days a year.

At a glance

Grades
Grades 9–12
Students
834
Teachers
103.9 (full-time equivalent)
Students per teacher
8
Boys and girls
All girls
Religious affiliation
Catholic · Independent Catholic school
School day
About 6.5 hours
School year
181 days
Graduates going to 4-year colleges
About 92% (the school's estimate for the class before the survey)
Library
Yes

Reviews

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    How it compares

    • Smaller classes than 85% of Catholic high schools in California (8 students per teacher).
    • Larger than 78% of Catholic high schools in California.
    • Compared with 86 Catholic high schools in California.

    Students by survey year

    803’11–12802’13–14805’15–16803’17–18819’21–22834’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    9204
    10213
    11211
    12206

    Student body

    White46%
    Two or more races26%
    Hispanic or Latino12%
    Asian12%
    Black2%
    American Indian or Alaska Native1%
    Native Hawaiian or Pacific Islander1%

    Member of

    • National Catholic Educational Association
    • National Coalition of Girls' Schools

    Questions to ask on a tour

    • What is tuition, and what does it include (books, fees, uniforms, trips)?
    • Do you offer financial aid, sibling discounts or payment plans?
    • Do you accept ESA, voucher or tax-credit scholarship funds?
    • How big are classes in my child's grade?
    • What support is there for students who need extra help or more challenge?
    • Is the school accredited, and by whom?
    • What do a typical day and a typical week look like?
    • How does the school communicate with families?

    More questions to ask →

    Questions about Carondelet High School

    What grades does Carondelet High School serve?

    Carondelet High School serves grades 9–12.

    How many students attend Carondelet High School?

    About 834 students, with 8 students per teacher, according to official records.

    How much is tuition at Carondelet High School?

    Call the school to ask about tuition, financial aid and payment plans.

    Official record · Updated October 2026 · Official search · Something wrong? Tell us

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