For the 2026 school year, there are 4 private schools serving 301 students in Martinez, CA (there are , serving 4,647 public students). 7% of all K-12 students in Martinez, CA are educated in private schools (compared to the CA state average of 10%).
The top-ranked private school in Martinez, CA is St. Catherine Of Siena School.
25% of private schools in Martinez, CA are religiously affiliated (most commonly Catholic).
Top-Ranked Martinez 草榴社区 Schools (2026)
School
Location
Quick Facts
St. Catherine Of Siena School
(Catholic)
604 Mellus St
Martinez, CA 94553
(925) 228-4140
Martinez, CA 94553
(925) 228-4140
Gr: PK-8 | 161 students Avg. class size: 20 students Tuition listed
Childtime
Daycare / Preschool
6635 Alhambra Ave
Martinez, CA 94553
(925) 947-6800
Martinez, CA 94553
(925) 947-6800
Gr: K | 109 students
205 Vista Way
Martinez, CA 94553
(925) 387-5110
Martinez, CA 94553
(925) 387-5110
Gr: PK-4 | 31 students
Martinez, California 草榴社区 Schools (Closed)
School
Location
Quick Facts
1124 Ferry St.
Martinez, CA 94553
(925) 228-1295
Martinez, CA 94553
(925) 228-1295
Gr: K-5 | 36 students
Overview
This Town (Martinez)
This State (CA)
# Schools
4 Schools
Student Body:
# Students
301 Students
660,172 Students
% Average Students of Color
48%
52%
Academics and Faculty:
# Teachers
15 Teachers
55,641 Teachers
Average Student-Teacher Ratio
20:1
12:1
Average Class Size
20 students
17 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$10,700
$18,325
Students by Ethnicity:
Diversity Score
0.63
0.74
# American Indian Students
n/a
3,577 Students
% American Indian Students
n/a
1%
# Asian Students
3 Students
72,070 Students
% Asian Students
1%
11%
# Hispanic Students
59 Students
104,452 Students
% Hispanic Students
20%
16%
# Black Students
1 Student
30,233 Students
% Black Students
n/a
5%
# White Students
58 Students
235,855 Students
% White Students
19%
37%
# Hawaiian Students
15 Students
5,499 Students
% Hawaiian Students
5%
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
165 Students
188,449 Students
% of Others Students
55%
29%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
What are the top-ranked private schools in Martinez, CA?
The top-ranked private schools in Martinez, CA is St. Catherine Of Siena School.
How many private schools are located in Martinez?
4 private schools are located in Martinez.
What percentage of students in Martinez go to private school?
7% of all K-12 students in Martinez are educated in private schools (compared to the CA state average of 10%).
What percentage of private schools are religiously affiliated in Martinez?
25% of private schools in Martinez are religiously affiliated (most commonly Catholic).
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