For the 2025 school year, there are 13 private schools serving 1,679 students in Altadena, CA (there are 8 public schools, serving 3,038 public students). 36% 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 Fair Oaks School, 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 84%.
Top Ranked Altadena Private Schools (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
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
Grades: 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
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
St. Elizabeth School
(Catholic)
1840 Lake Ave
Altadena, CA 91001
(626) 797-7727
Altadena, CA 91001
(626) 797-7727
Grades: K-8
| 197 students
1050 E Altadena Drive
Altadena, CA 91001
(626) 798-8858
Altadena, CA 91001
(626) 798-8858
Grades: K-6
| 216 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 schools in Altadena, CA?
The top ranked private schools in Altadena, CA include Fair Oaks School, Pasadena Waldorf High School, and Pasadena Waldorf School.
How many private schools are located in Altadena?
13 private schools are located in Altadena.
How diverse are private schools in Altadena?
Altadena private schools are approximately 51% minority students, which is same as the California private school average of 51%.
What percentage of students in Altadena go to private school?
36% of all K-12 students in Altadena are educated in private schools (compared to the CA state average of 10%).
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