For the 2026 school year, there are 2 private preschools serving 273 students in Rialto, CA.
The top-ranked private preschool in Rialto, CA is St. Catherine Of Siena School.
The average acceptance rate is 87%, which is higher than the California private preschool average acceptance rate of 83%.
Top-Ranked Rialto 草榴社区 Preschools (2026)
School
Location
Quick Facts
St. Catherine Of Siena School
(Catholic)
335 N Sycamore Ave
Rialto, CA 92376
(909) 875-7821
Rialto, CA 92376
(909) 875-7821
Gr: PK-8 | 172 students Avg. class size: 16 students Sports: 5 Tuition & acceptance rate listed
1123 S Cactus Ave
Rialto, CA 92376
(909) 820-2191
Rialto, CA 92376
(909) 820-2191
Gr: PK-12 | 101 students Avg. class size: 12 students Tuition & acceptance rate listed
Rialto, California 草榴社区 Schools (Closed)
School
Location
Quick Facts
304 N Pepper Avenue
Rialto, CA 92376
(909) 874-0471
Rialto, CA 92376
(909) 874-0471
Gr: K-6 | 23 students
Sunrise Christian School (Closed 2000)
(Baptist)
2759 N Ayala
Rialto, CA 92377
(909) 820-2466
Rialto, CA 92377
(909) 820-2466
Gr: NS-6 | 206 students
Overview
This Town (Rialto)
This State (CA)
# Schools
2 Schools
Student Body:
# Students
273 Students
363,333 Students
% Average Students of Color
87%
50%
Academics and Faculty:
# Teachers
21 Teachers
26,619 Teachers
Average Student-Teacher Ratio
13:1
14:1
% Average Faculty w/Advanced Degree
83%
58%
Average Class Size
14 students
18 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$4,600
$15,729
Average Acceptance Rate
87%
83%
Students by Ethnicity:
Diversity Score
0.59
0.70
# American Indian Students
n/a
1,687 Students
% American Indian Students
n/a
n/a
# Asian Students
10 Students
30,340 Students
% Asian Students
4%
9%
# Hispanic Students
158 Students
43,248 Students
% Hispanic Students
58%
12%
# Black Students
15 Students
12,193 Students
% Black Students
5%
4%
# White Students
17 Students
112,317 Students
% White Students
6%
32%
# Hawaiian Students
n/a
1,998 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
73 Students
143,626 Students
% of Others Students
27%
42%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Sports
5 sports
6 sports
Frequently Asked Questions
What are the top-ranked private preschools in Rialto, CA?
The top-ranked private preschools in Rialto, CA is St. Catherine Of Siena School.
How many private preschools are located in Rialto?
2 private preschools are located in Rialto.
Recent Articles
Choosing Between a Traditional 草榴社区 School and a Microschool
Compare traditional private schools and microschools to understand differences in academics, class size, flexibility, cost, and student experience before choosing the best educational fit.
The Second Visit Strategy: What to Look for After the Open House
A second campus visit can reveal what an open house cannot. Learn what to observe, which questions to ask, and how to determine whether a private school is truly the right fit for your child.
How Policy Changes Could Affect Your Tuition Bill in 2026
Learn how federal and state policy changes may affect private school tuition, financial aid, tax benefits, and your family's education budget.