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Princeton Montessori School

922 E Mendocino St
Altadena, CA 91001

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Tel: (626) 794-2244

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Princeton Montessori School in Altadena, CA, is a nonsectarian, all–girls Montessori program serving a total enrollment of 12 students.

The school has a student–teacher ratio of 12:1 with one teacher on staff.

Student body diversity includes Asian/Pacific Islander and Hispanic students, representing part of the school's student population.

The school is located in a suburban community and has two students enrolled in grades K–12.

Quick Facts (2026)

School Type: Montessori School
Grades: Nursery/Preschool
Enrollment: 12 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

Top Rankings

Princeton Montessori School ranks among the top 20% of private schools in California for:

School Overview

School Type

Montessori School

Religious Affiliation

Nonsectarian

Grades Offered

Grades Nursery/Preschool

Student Body

Total Students

12 students

Student Body Type

All-girls

% Students of Color

100%

State avg.: 52%

Students by Grade

Academics and Faculty

Total Classroom Teachers

1 teacher

Student-Teacher Ratio

12:1

National avg.: 11:1

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Tuition Notes

Contact for personalized tuition information.

Application URL

Online Application

Source: National Center for Education Statistics (NCES)

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Frequently Asked Questions

When is the application deadline for Princeton Montessori School?

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

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Quick Facts (2026)

School Type: Montessori School
Grades: Nursery/Preschool
Enrollment: 12 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in Altadena, CA is $19,782 for elementary schools (read more about average private school tuition across the country).