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:
Category
Attribute
School Overview
Student Body
Total Students
12 students
Student Body Type
% Students of Color
100%
State avg.: 51%
Students by Grade
Academics and Faculty
Total Classroom Teachers
1 teacher
Student-Teacher Ratio
12:1
National avg.:
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Tuition Notes
Contact for personalized tuition information.
Application URL
Source: National Center for Education Statistics (NCES)
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).
School Reviews
Endorse Princeton Montessori School. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles
Benefits of Smaller Class Sizes in ²ÝÁñÉçÇø Schools
Discover the benefits of smaller class sizes, including personalized learning, stronger outcomes, and improved student engagement in 2026.
Religious ²ÝÁñÉçÇø Schools vs Secular Schools Guide
Compare religious private schools vs secular schools, including academics, values, cost, and 2026 trends to help families choose wisely.
How Middle‑Income Families Are Affording ²ÝÁñÉçÇø School in 2026
Discover how middle‑income families are affording private school tuition in 2026 with scholarships, budgeting, financial planning, and emerging support strategies.


