For the 2026 school year, there are 3,916 private schools serving 662,685 students in California (there are 10,334 public schools, serving 5,790,262 students). 10% of all K-12 students in California attend private schools (compared to the national average of 10%).
The average private school tuition is $17,689 for elementary schools and $23,721 for high schools (view national tuition averages).
The top-ranked private schools in California include Castilleja School, The College Preparatory School, and The Webb Schools.
The average acceptance rate is 81% (view national acceptance rates). Minority enrollment is 51% and the student-teacher ratio is 12:1.
Overview
This State (CA)
US
# Schools
3,916 Schools
Student Body:
# Students
662,685 Students
5,693,709 Students
% Average Students of Color
51%
34%
Student By Grade
Academics and Faculty:
# Teachers
55,616 Teachers
507,994 Teachers
Average Student-Teacher Ratio
12:1
11:1
% Average Faculty w/Advanced Degree
59%
55%
Average Class Size
17 students
15 students
Average Number of AP Courses
15 courses
13 courses
Average SAT score
1263
(Out of 1600)
1234
Average ACT score
27
(Out of 36)
26
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$18,269
$14,913
Average Summer Program Cost
$1,053
$1,146
Average % on Financial Aid
29%
35%
Average Financial Aid Grant
$8,961
$7,191
Average Acceptance Rate
81%
82%
Average Endowment Size
$33.76 million
$62.25 million
Students by Ethnicity:
Diversity Score
0.74
0.65
# American Indian Students
3,577 Students
29,825 Students
% American Indian Students
1%
1%
# Asian Students
72,084 Students
264,979 Students
% Asian Students
11%
5%
# Hispanic Students
104,475 Students
507,039 Students
% Hispanic Students
16%
9%
# Black Students
30,279 Students
416,385 Students
% Black Students
5%
7%
# White Students
235,974 Students
2,931,618 Students
% White Students
37%
52%
# Hawaiian Students
5,499 Students
20,066 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
188,687 Students
1,471,670 Students
% of Others Students
29%
26%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
9 extracurriculars
9 extracurriculars
Average Number of Sports
7 sports
7 sports
Top-Ranked California Private Schools by County (2026)
County
# Schools
# Students
% of K-12 Students in Private Schools
Frequently Asked Questions
What are the top-ranked private schools in California?
The top-ranked private schools in California include Castilleja School, The College Preparatory School, and The Webb Schools.
How many private schools are located in California?
There are 3,916 private schools are located in California.
How much do private schools cost in California?
The average private school tuition in California is $17,689 for elementary schools and $23,721 for high schools
How diverse are private schools in California?
Approximately 51% of students in California private schools are minority students (compared to the national percentage).
What percentage of students in California go to private school?
10% of all K-12 students in California attend private schools (compared to the national average of 10%).
What percentage of private schools are religiously affiliated in California?
Which private schools in California are often viewed compared to one another?
Popular comparisons of private schools in California include: Monarch Montessori vs. Community Christian School, Molokan Elementary School vs. St. Mark's Lutheran School, Kiddie Academy Cc Learning Center vs. La Petite Academy
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