For the 2025-26 school year, there are 11 private schools serving 1,351 students in Altadena, CA (there are , serving 3,038 public students). 31% of all K-12 students in Altadena, CA are educated in private schools (compared to the CA state average of 10%).
The top ranked private schools in Altadena, CA include Pasadena Waldorf High School and Pasadena Waldorf School.
The average acceptance rate is 78%, which is lower than the California private school average acceptance rate of 80%.
Top Ranked Altadena ²ÝÁñÉçÇø Schools (2025-26)
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
Fair Oaks School
(6)
2704 Fair Oaks Avenue
Altadena, CA 91001
(818) 516-7603
Altadena, CA 91001
(818) 516-7603
Gr: K-6 | 21 students Avg. class size: 14 students Extracurrculars: 5 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
Five Acres School![Five Acres School Photo - Our Campus]( "Five Acres School Photo - Our Campus")
Special Education School
760 Mountain View Street
Altadena, CA 91001
(626) 798-6793
Altadena, CA 91001
(626) 798-6793
Gr: 3-10 | 51 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
St. Elizabeth School
(Catholic)
1840 Lake Ave
Altadena, CA 91001
(626) 797-7727
Altadena, CA 91001
(626) 797-7727
Gr: K-8 | 197 students Sports: 7 Tuition listed
Altadena, California ²ÝÁñÉçÇø 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
Frequently Asked Questions
What are the top ranked private schools in Altadena, CA?
The top ranked private schools in Altadena, CA include Pasadena Waldorf High School and Pasadena Waldorf School.
How many private schools are located in Altadena?
11 private schools are located in Altadena.
How diverse are private schools in Altadena?
Altadena private schools are approximately 54% minority students, which is higher than the California private school average of 51%.
What percentage of students in Altadena go to private school?
31% of all K-12 students in Altadena are educated in private schools (compared to the CA state average of 10%).
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