For the 2026 school year, there are 8 private preschools serving 1,082 students in Altadena, CA.
The top-ranked private preschools in Altadena, CA include Pasadena Waldorf School and Pasadena Waldorf High School.
The average acceptance rate is 80%, which is lower than the California private preschool average acceptance rate of 83%.
13% of private preschools in Altadena, CA are religiously affiliated (most commonly Christian).
Top-Ranked Altadena 草榴社区 Preschools (2026)
School
Location
Quick Facts
2046 Allen Avenue
Altadena, CA 91001
(626) 657-2742
Altadena, CA 91001
(626) 657-2742
Gr: NS-6 | 169 students Extracurrculars: 8 Tuition listed
Pasadena Waldorf High School
Special Program Emphasis
536 E Mendocino St
Altadena, CA 91001
(626) 204-0786
Altadena, CA 91001
(626) 204-0786
Gr: PK-12 | 307 students Tuition listed
209 E. Mariposa Street
Altadena, CA 91001
(626) 794-9565
Altadena, CA 91001
(626) 794-9565
Gr: NS-12 | 340 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 15 Tuition & acceptance rate listed
Firehouse Preschool
Daycare / Preschool
1923 Allen Ave
Altadena, CA 91001
(626) 798-2865
Altadena, CA 91001
(626) 798-2865
Gr: PK-K | 24 students
Meher Montessori School
Montessori School
943 E Altadena Drive
Altadena, CA 91001
(626) 798-1171
Altadena, CA 91001
(626) 798-1171
Gr: PK-K | 30 students
Princeton Montessori School
All-girls | Montessori School
922 E Mendocino St
Altadena, CA 91001
(626) 794-2244
Altadena, CA 91001
(626) 794-2244
Gr: NS | 12 students Tuition listed
Sahag-mesrob Armenian Christian School
(Christian)
2501 Maiden Ln
Altadena, CA 91001
(626) 798-5020
Altadena, CA 91001
(626) 798-5020
Gr: PK-8 | 182 students Tuition listed
Altadena, California 草榴社区 Schools (Closed)
School
Location
Quick Facts
Hathaway-Sycamores School (Closed 2016)
Alternative School
2933 El Nido Drive
Altadena, CA 91001
(626) 395-7100
Altadena, CA 91001
(626) 395-7100
Gr: K-12
Oak Knoll Montessori School (Closed 2025)
Montessori School
3544 Canon Blvd
Altadena, CA 91001
(626) 345-9929
Altadena, CA 91001
(626) 345-9929
Gr: PK | 112 students
Overview
This Town (Altadena)
This State (CA)
# Schools
8 Schools
Student Body:
# Students
1,082 Students
363,333 Students
% Average Students of Color
48%
50%
Academics and Faculty:
# Teachers
95 Teachers
26,619 Teachers
Average Student-Teacher Ratio
11:1
14:1
% Average Faculty w/Advanced Degree
25%
58%
Average Class Size
20 students
18 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$25,586
$15,729
Average % on Financial Aid
28%
24%
Average Financial Aid Grant
$12,000
$5,651
Average Acceptance Rate
80%
83%
Students by Ethnicity:
Diversity Score
0.72
0.70
# American Indian Students
1 Student
1,687 Students
% American Indian Students
n/a
n/a
# Asian Students
36 Students
30,340 Students
% Asian Students
6%
9%
# Hispanic Students
67 Students
43,248 Students
% Hispanic Students
12%
12%
# Black Students
60 Students
12,193 Students
% Black Students
10%
4%
# White Students
199 Students
112,317 Students
% White Students
35%
32%
# Hawaiian Students
n/a
1,998 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
210 Students
143,626 Students
% of Others Students
37%
42%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
12 extracurriculars
7 extracurriculars
Average Number of Sports
5 sports
6 sports
Frequently Asked Questions
What are the top-ranked private preschools in Altadena, CA?
The top-ranked private preschools in Altadena, CA include Pasadena Waldorf School and Pasadena Waldorf High School.
How many private preschools are located in Altadena?
8 private preschools are located in Altadena.
How diverse are private preschools in Altadena?
Altadena private preschools are approximately 48% minority students, which is lower than the California private school average of 50%.
What percentage of private preschools are religiously affiliated in Altadena?
13% of private preschools in Altadena are religiously affiliated (most commonly Christian).
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