Established in 1988, Mills Montessori is a private school located in Millbrae, California.
Following both a traditional and contemporary method of Montessori, Mills Montessori strives to fulfill the needs of each child, while recognizes their unique difference both academically and socially.
This interdisciplinary institution accepts children starting at age two up until fifth grade.
Mills Montessori School is dedicated to providing a warm and accepting environment which promotes the physical, emotional, social and cognitive development of each child.
We try to establish a sense of freedom in our children, encouraging them to develop their own unique abilities.
Children are encouraged to choose their own work, correct it and work without interruption at their own pace.
By supporting each child's interests and empowering them to follow their curiosity, we hope to ultimately engender in each child a deep felt sense of self-confidence, both intellectually and socially.
Our prime duty is to prepare and to protect an environment which will give each child love and security, and provide him the means of learning through exploration and discovery on a level of success.
Quick Facts (2025-26)
- School Type: Montessori School
- Grades: Prekindergarten-2
- Enrollment: 123 students
- Application Deadline: None / Rolling
- Source: Verified school update
School Overview
School Type
Religious Affiliation
Grades Offered
Grades Prekindergarten-2
School Calendar
Student Body
Total Students
123 students
Student Body Type
Co-ed
% Students of Color
42%
State avg.: 51%
Students by Grade

Academics and Faculty
Total Classroom Teachers
10 teachers
Student-Teacher Ratio
12:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- Established in 1988, Mills Montessori is a private school located in Millbrae, California. Following both a traditional and contemporary method of Montessori, Mills Montessori strives to fulfill the needs of each child, while recognizes their unique difference both academically and socially. This interdisciplinary institution accepts children starting at age two up until fifth grade. Mills Montessori School is dedicated to providing a warm and accepting environment which promotes the physical, emotional, social and cognitive development of each child. We try to establish a sense of freedom in our children, encouraging them to develop their own unique abilities. Children are encouraged to choose their own work, correct it and work without interruption at their own pace. By supporting each child's interests and empowering them to follow their curiosity, we hope to ultimately engender in each child a deep felt sense of self-confidence, both intellectually and socially. Our prime duty is to prepare and to protect an environment which will give each child love and security, and provide him the means of learning through exploration and discovery on a level of success.
Source: Verified school update
Frequently Asked Questions
When is the application deadline for Mills Montessori?
The application deadline for Mills Montessori is rolling (applications are reviewed as they are received year-round).
In what neighborhood is Mills Montessori located?
Mills Montessori is located in the Paradise Valley neighborhood of South San Francisco, CA. There are 1 other private schools located in Paradise Valley.
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