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Thevenet Montessori School Photo #6 - Lower elementary students baking a birthday cake

Thevenet Montessori School

21 Bethany Drive
Highland Mills, NY 10930
Thevenet integrates the Montessori curriculum with the distinctive educational philosophy of its founders, The Religious of Jesus and Mary.
The abiding hallmark of the Thevenet tradition is a particular concern for each child as a unique person of transcendent worth.
This respect for the depths of the human being necessarily involves respect for nature and the earth, a reverence for all life.
Believing that the quality of group life is a crucial factor in the learning process, we seek to build a sense of community where children and adults want to go every day, a place where there is an ever growing awareness that we are part of a global family and must learn to live and work together.
We see ourselves as facilitators to aid in the development of the special gifts and talents of each child, by means of individualization and self-directed learning.
We see this as a realizable ideal because we believe with Maria Montessori that children contain within them remarkable powers of imagination, creativity and self-direction.

Quick Facts (2025-26)

  • School Type: Montessori School
  • Grades: Prekindergarten-6
  • Enrollment: 123 students
  • Average class size: 30 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

School Overview

Religious Affiliation
Grades Offered
Grades Prekindergarten-6
Year Founded
1971
Last Day of School
Mon. May 25, 2026
Campus Size
80 acres

Student Body

Total Students
123 students
Student Body Type
Co-ed
% Students of Color
37%
State avg.: 40%
Students by Grade
Thevenet Montessori School Student By Grade

Academics and Faculty

Total Classroom Teachers
10 teachers
Student-Teacher Ratio
12:1
National avg.:
Average Class Size
30 students

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Admissions Director
Norene Costa, RJM
Application URL

School Notes

  • Thevenet integrates the Montessori curriculum with the distinctive educational philosophy of its founders, The Religious of Jesus and Mary. The abiding hallmark of the Thevenet tradition is a particular concern for each child as a unique person of transcendent worth. This respect for the depths of the human being necessarily involves respect for nature and the earth, a reverence for all life. Believing that the quality of group life is a crucial factor in the learning process, we seek to build a sense of community where children and adults want to go every day, a place where there is an ever growing awareness that we are part of a global family and must learn to live and work together. We see ourselves as facilitators to aid in the development of the special gifts and talents of each child, by means of individualization and self-directed learning. We see this as a realizable ideal because we believe with Maria Montessori that children contain within them remarkable powers of imagination, creativity and self-direction.
Source: Verified school update

Frequently Asked Questions

When is the application deadline for Thevenet Montessori School?
The application deadline for Thevenet Montessori School is rolling (applications are reviewed as they are received year-round).

School Calendar

View the Thevenet Montessori School below. Note key dates such as:

Event
Date
Last Day of School - Early Dismissal
June 05, 2026 (Friday)

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Quick Facts (2025-26)

  • School Type: Montessori School
  • Grades: Prekindergarten-6
  • Enrollment: 123 students
  • Average class size: 30 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Did You Know?

The average private school tuition in Orange County, NY is $25,010 for elementary schools and $30,219 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Orange County, NY is 63% (read more about average acceptance rates across the country).

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