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Pacific Rim Int'l School

Montessori school · Grades Pre-K–12

San Mateo, CA

2600 Campus Dr Ste 125, San Mateo, CA 94403

Overall grade: A

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

  • A+Class size
  • B+Years serving families

What stands out

  • The only Montessori school in San Mateo
  • Smaller classes than 96% of Montessori schools nationwide
  • One school from pre-K through 12th grade

In San Mateo, California, Pacific Rim Int'l School is a Montessori school for students from pre-K through 12th grade. About 23 students attend, with roughly 3 students per teacher, smaller classes than 96% of Montessori schools nationwide. The school day runs about 8 hours, 176 days a year.

At a glance

Grades
Grades Pre-K–12
Students
23
Teachers
8 (full-time equivalent)
Students per teacher
2.9
Boys and girls
Coed · 13 girls, 10 boys
Religious affiliation
None (nonsectarian)
Program
Montessori
School day
About 8 hours
School year
176 days

Reviews

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    How it compares

    • Smaller classes than 96% of Montessori schools nationwide (3 students per teacher).
    • A smaller school: fewer students than 85% of Montessori schools nationwide.
    • Compared with 138 Montessori schools nationwide.

    Students by survey year

    30’15–1624’17–1860’19–2027’21–2223’23–24

    Total students reported in official records since 2015–16.

    Students by grade

    Pre-K28
    K6
    TK2
    12
    22
    44
    51
    71
    91
    113
    121

    Student body

    Asian78%
    Two or more races13%
    White4%
    Hispanic or Latino4%

    Member of

    • American Montessori Society
    • Association Montessori Internationale

    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 Pacific Rim Int'l School

    What grades does Pacific Rim Int'l School serve?

    Pacific Rim Int'l School serves grades Pre-K–12.

    How many students attend Pacific Rim Int'l School?

    About 23 students, with 3 students per teacher, according to official records.

    How much is tuition at Pacific Rim Int'l 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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