For the 2025 school year, there are 9 private preschools serving 1,194 students in Altadena, CA.
The top ranked private preschools in Altadena, CA include Pasadena Waldorf High School and Pasadena Waldorf School.
The average acceptance rate is 80%, which is lower than the California private preschool average acceptance rate of 86%.
11% of private preschools in Altadena, CA are religiously affiliated (most commonly Christian).
Top Ranked Altadena Private Preschools (2025)
School
Location
Grades
Students
2046 Allen Avenue
Altadena, CA 91001
(626) 657-2742
Altadena, CA 91001
(626) 657-2742
Grades: NS-6
| 169 students
Pasadena Waldorf High School
Special Program Emphasis
536 E Mendocino St
Altadena, CA 91001
(626) 204-0786
Altadena, CA 91001
(626) 204-0786
Grades: PK-12
| 307 students
209 E. Mariposa Street
Altadena, CA 91001
(626) 794-9565
Altadena, CA 91001
(626) 794-9565
Grades: NS-12
| 340 students
2151 Lake Ave
Altadena, CA 91001
(626) 345-0540
Altadena, CA 91001
(626) 345-0540
Grades: PK-6
| 18 students
Firehouse Preschool
Daycare / Preschool
1923 Allen Ave
Altadena, CA 91001
(626) 798-2865
Altadena, CA 91001
(626) 798-2865
Grades: 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
Grades: PK-K
| 30 students
Oak Knoll Montessori School
Montessori School
3544 Canon Blvd
Altadena, CA 91001
(626) 345-9929
Altadena, CA 91001
(626) 345-9929
Grades: PK
| 112 students
Princeton Montessori School
All-girls | Montessori School
922 E Mendocino St
Altadena, CA 91001
(626) 794-2244
Altadena, CA 91001
(626) 794-2244
Grades: NS
| 12 students
Sahag-mesrob Armenian Christian School
(Christian)
2501 Maiden Ln
Altadena, CA 91001
(626) 798-5020
Altadena, CA 91001
(626) 798-5020
Grades: PK-8
| 182 students
Altadena, California Private Schools (Closed)
School
Location
Grades
Students
Hathaway-Sycamores School (Closed 2016)
Alternative School
2933 El Nido Drive
Altadena, CA 91001
(626) 395-7100
Altadena, CA 91001
(626) 395-7100
Grades: K-12
| n/a students
Frequently Asked Questions
What are the top ranked private preschools in Altadena, CA?
The top ranked private preschools in Altadena, CA include Pasadena Waldorf High School and Pasadena Waldorf School.
How many private preschools are located in Altadena?
9 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 49%.
What percentage of private preschools are religiously affiliated in Altadena?
11% of private preschools in Altadena are religiously affiliated (most commonly Christian).
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