For the 2026 school year, there are 3 private schools serving 306 students in Millbrae, CA (there are 5 public schools, serving 2,944 public students). 9% of all K-12 students in Millbrae, CA are educated in private schools (compared to the CA state average of 10%).
The top-ranked private school in Millbrae, CA is Millbrae Montessori School.
The average acceptance rate is 50%, which is lower than the California private school average acceptance rate of 81%.
33% of private schools in Millbrae, CA are religiously affiliated (most commonly Catholic).
Top-Ranked Millbrae Private Schools (2026)
School
Location
Quick Facts
797B Santa Margarita Ave
Millbrae, CA 94030
(650) 588-2229
Millbrae, CA 94030
(650) 588-2229
Gr: NS-PK | 50 students Avg. class size: 22 students Sports: 2 Tuition & acceptance rate listed
Glen Oaks Montessori School
Montessori School
797 Santa Margarita Ave Ste A
Millbrae, CA 94030
(650) 872-1112
Millbrae, CA 94030
(650) 872-1112
Gr: PK-K | 31 students
St. Dunstan Catholic School
(Catholic)
1150 Magnolia Ave
Millbrae, CA 94030
(650) 697-8119
Millbrae, CA 94030
(650) 697-8119
Gr: K-8 | 225 students Tuition listed
Millbrae, California Private Schools (Closed)
School
Location
Quick Facts
A Childs Way (Closed 2023)
Daycare / Preschool
817 Murchison Dr
Millbrae, CA 94030
(650) 697-4760
Millbrae, CA 94030
(650) 697-4760
Gr: K | 21 students
Overview
This Town (Millbrae)
This State (CA)
# Schools
3 Schools
Student Body:
# Students
306 Students
664,998 Students
% Average Students of Color
56%
51%
Academics and Faculty:
# Teachers
35 Teachers
55,534 Teachers
Average Student-Teacher Ratio
9:1
12:1
Average Class Size
22 students
17 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$4,933
$18,177
Average Acceptance Rate
50%
81%
Students by Ethnicity:
Diversity Score
0.75
0.74
# American Indian Students
n/a
3,577 Students
% American Indian Students
n/a
1%
# Asian Students
65 Students
72,089 Students
% Asian Students
21%
11%
# Hispanic Students
36 Students
104,503 Students
% Hispanic Students
12%
16%
# Black Students
13 Students
30,286 Students
% Black Students
4%
5%
# White Students
103 Students
236,055 Students
% White Students
34%
37%
# Hawaiian Students
2 Students
5,499 Students
% Hawaiian Students
1%
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
87 Students
189,135 Students
% of Others Students
28%
29%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Sports
2 sports
7 sports
Frequently Asked Questions
What are the top-ranked private schools in Millbrae, CA?
The top-ranked private schools in Millbrae, CA is Millbrae Montessori School.
How many private schools are located in Millbrae?
3 private schools are located in Millbrae.
What percentage of students in Millbrae go to private school?
9% of all K-12 students in Millbrae are educated in private schools (compared to the CA state average of 10%).
What percentage of private schools are religiously affiliated in Millbrae?
33% of private schools in Millbrae are religiously affiliated (most commonly Catholic).
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