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St. Louis School

Independent Catholic school · Grades K–12

Honolulu, HI

3142 Waialae Ave, Honolulu, HI 96816

Overall grade: B-

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

  • BClass size
  • B+College-going
  • B+Years serving families
  • B+Diversity

What stands out

  • The only all-boys school in Honolulu
  • One of the 3 largest Catholic schools in Hawaii
  • Growing: enrollment up 30% since 2011–12
  • Serving families in Honolulu since at least 2011

In Honolulu, Hawaii, St. Louis School is an independent Catholic school for students from kindergarten through 12th grade. About 801 students attend, with roughly 15 students per teacher. Enrollment is up about 30% since 2011–12. The school is an all-boys school and is part of the Diocese of Honolulu. The school reports that about 80% of its graduates go on to four-year colleges. The school day runs about 7 hours, 176 days a year.

At a glance

Grades
Grades K–12
Students
801
Teachers
55.4 (full-time equivalent)
Students per teacher
14.5
Boys and girls
All boys
Religious affiliation
Catholic · Independent Catholic school
School day
About 7 hours
School year
176 days
Graduates going to 4-year colleges
About 80% (the school's estimate for the class before the survey)
Library
Yes

Reviews

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    How it compares

    • Larger than 86% of Catholic schools nationwide.
    • Compared with 384 Catholic schools nationwide.

    Students by survey year

    614’11–12537’13–14630’15–16876’19–20893’21–22801’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    K20
    120
    219
    321
    427
    539
    652
    763
    885
    9131
    10112
    11100
    12112

    Student body

    Two or more races84%
    Native Hawaiian or Pacific Islander7%
    Asian6%
    White2%
    Hispanic or Latino1%
    Black0%

    Member of

    • National Catholic Educational Association
    • A state or regional independent school association

    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 St. Louis School

    What grades does St. Louis School serve?

    St. Louis School serves grades K–12.

    How many students attend St. Louis School?

    About 801 students, with 15 students per teacher, according to official records.

    How much is tuition at St. Louis 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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