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Diamond Bar Montessori Academy

Montessori school · Kindergarten only

Diamond Bar, CA

23555 Palomino Dr, Diamond Bar, CA 91765

Overall grade: A-

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

  • A-Class size
  • A-Years serving families

What stands out

  • Smaller classes than 60% of preschools in California
  • Serving families in Diamond Bar since at least 2011

In Diamond Bar, California, Diamond Bar Montessori Academy is a Montessori school for kindergarten. About 7 students attend, with roughly 4 students per teacher, smaller classes than 60% of preschool programs in California. It has been listed in official private school records since 2011–12. The school day runs about 10 hours, 260 days a year.

At a glance

Grades
Kindergarten only
Students
7
Teachers
2 (full-time equivalent)
Students per teacher
3.5
Boys and girls
Coed · 3 girls, 4 boys
Religious affiliation
None (nonsectarian)
Program
Montessori
School day
About 10 hours
School year
260 days
Library
Yes

Reviews

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    How it compares

    • Smaller classes than 60% of preschool programs in California (4 students per teacher).
    • A smaller school: fewer students than 68% of preschool programs in California.
    • Compared with 372 preschool programs in California.

    Students by survey year

    16’11–124’13–145’15–1635’17–1833’19–2030’21–227’23–24

    Total students reported in official records since 2011–12.

    Student body

    White43%
    Hispanic or Latino29%
    Black14%
    Asian14%

    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 Diamond Bar Montessori Academy

    What grades does Diamond Bar Montessori Academy serve?

    Diamond Bar Montessori Academy serves kindergarten only.

    How many students attend Diamond Bar Montessori Academy?

    About 7 students, with 4 students per teacher, according to official records.

    How much is tuition at Diamond Bar Montessori Academy?

    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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