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Aquinas High School

Diocesan school · Grades 9–12

San Bernardino, CA

2772 Sterling Ave, San Bernardino, CA 92404

Overall grade: B

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

  • B-Class size
  • A-College-going
  • A-Years serving families
  • ADiversity

What stands out

  • The largest Catholic school in San Bernardino
  • 85% of graduates go to four-year colleges
  • Growing: enrollment up 73% since 2011–12
  • Serving families in San Bernardino since at least 2011

Aquinas High School is a Catholic diocesan school in San Bernardino, California, for students from 9th grade through 12th grade. It has about 626 students and around 18 students per teacher. Enrollment has grown about 73% since 2011–12. The school is part of the Diocese of San Bernardino. The school reports that about 85% of its graduates go on to four-year colleges. Students attend about 8 hours a day, 183 days a year.

At a glance

Grades
Grades 9–12
Students
626
Teachers
34.1 (full-time equivalent)
Students per teacher
18.4
Boys and girls
Coed · 273 girls, 353 boys
Religious affiliation
Catholic · Diocesan school
School day
About 8 hours
School year
183 days
Graduates going to 4-year colleges
About 85% (the school's estimate for the class before the survey)
Library
Yes

Reviews

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    How it compares

    • Larger than 63% of Catholic high schools in California.
    • Compared with 86 Catholic high schools in California.

    Students by survey year

    361’11–12408’13–14423’15–16423’17–18521’19–20554’21–22626’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    9167
    10160
    11154
    12145

    Student body

    Hispanic or Latino60%
    White13%
    Black11%
    Asian7%
    Two or more races5%
    American Indian or Alaska Native2%
    Native Hawaiian or Pacific Islander2%

    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 Aquinas High School

    What grades does Aquinas High School serve?

    Aquinas High School serves grades 9–12.

    How many students attend Aquinas High School?

    About 626 students, with 18 students per teacher, according to official records.

    How much is tuition at Aquinas 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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