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Thevenet Montessori School

Independent Catholic school · Grades Pre-K–6

Highland Mills, NY

21 Bethany Dr, Highland Mills, NY 10930

Overall grade: A+

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

  • A+Class size
  • B+Years serving families
  • A+Diversity

What stands out

  • Smaller classes than 91% of Catholic schools in New York
  • Growing: enrollment up 66% since 2017–18

In Highland Mills, New York, Thevenet Montessori School is an independent Catholic school for students from pre-K through 6th grade. About 63 students attend, with roughly 6 students per teacher, smaller classes than 91% of Catholic elementary schools in New York. Enrollment is up about 66% since 2017–18. The school is part of the Archdiocese of New York. The school day runs about 6 hours, 180 days a year.

At a glance

Grades
Grades Pre-K–6
Students
63
Teachers
10 (full-time equivalent)
Students per teacher
6.3
Boys and girls
Coed · 31 girls, 32 boys
Religious affiliation
Catholic · Independent Catholic school
Program
Montessori
School day
About 6 hours
School year
180 days
Library
Yes

Reviews

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    How it compares

    • Smaller classes than 91% of Catholic elementary schools in New York (6 students per teacher).
    • A smaller school: fewer students than 91% of Catholic elementary schools in New York.
    • Compared with 242 Catholic elementary schools in New York.

    Students by survey year

    38’17–1849’19–2073’21–2263’23–24

    Total students reported in official records since 2017–18.

    Students by grade

    Pre-K38
    K21
    111
    210
    310
    47
    53
    61

    Student body

    White48%
    Asian19%
    Hispanic or Latino11%
    Black11%
    Two or more races11%

    Member of

    • 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 Thevenet Montessori School

    What grades does Thevenet Montessori School serve?

    Thevenet Montessori School serves grades Pre-K–6.

    How many students attend Thevenet Montessori School?

    About 63 students, with 6 students per teacher, according to official records.

    How much is tuition at Thevenet Montessori 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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