For the 2026 school year, there are 7 private preschools serving 1,762 students in Ontario, CA.
The top-ranked private preschools in Ontario, CA include Orion International Academy and Ontario Christian School.
The average acceptance rate is 99%, which is higher than the California private preschool average acceptance rate of 82%.
29% of private preschools in Ontario, CA are religiously affiliated (most commonly Christian).
Top-Ranked Ontario Private Preschools (2026)
School
Location
Quick Facts
11255 Central Ave.
Ontario, CA 91762
(909) 999-0025
Ontario, CA 91762
(909) 999-0025
Gr: PK-12 | 236 students Avg. class size: 12 students Sports: 12 | Extracurrculars: 5 Tuition & acceptance rate listed
Ontario Christian School
(Christian)
1907 S Euclid Ave
Ontario, CA 91762
(909) 984-1756
Ontario, CA 91762
(909) 984-1756
Gr: PK-12 | 1,428 student Tuition & acceptance rate listed
Inland Conservatory For The Performing Arts School
Special Program Emphasis
104 W C St
Ontario, CA 91762
(800) 419-5216
Ontario, CA 91762
(800) 419-5216
Gr: PK-12 | 54 students
Kids Club
Daycare / Preschool
1825 N Vineyard Ave
Ontario, CA 91764
(909) 985-7279
Ontario, CA 91764
(909) 985-7279
Gr: PK-K | 18 students
Mount Zion Christian School
Daycare / Preschool (Christian)
224 W California St
Ontario, CA 91762
(909) 988-2280
Ontario, CA 91762
(909) 988-2280
Gr: PK-K | 12 students
Ontario Progressive Montessori School
Montessori School
328 W Phillips St
Ontario, CA 91762
(909) 988-7145
Ontario, CA 91762
(909) 988-7145
Gr: PK-1 | 14 students
Overview
This Town (Ontario)
This State (CA)
# Schools
7 Schools
Student Body:
# Students
1,762 Students
363,347 Students
% Average Students of Color
33%
50%
Academics and Faculty:
# Teachers
122 Teachers
26,537 Teachers
Average Student-Teacher Ratio
14:1
14:1
% Average Faculty w/Advanced Degree
75%
58%
Average Class Size
12 students
18 students
Average Number of AP Courses
33 courses
12 courses
Average SAT score
1352
(Out of 1600)
1284
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$9,500
$15,627
Average Summer Program Cost
$350
$785
Average % on Financial Aid
30%
25%
Average Financial Aid Grant
$4,000
$5,581
Average Acceptance Rate
99%
82%
Average Endowment Size
$50 million
$31.27 million
Students by Ethnicity:
Diversity Score
0.66
0.70
# American Indian Students
12 Students
1,694 Students
% American Indian Students
1%
n/a
# Asian Students
163 Students
30,302 Students
% Asian Students
10%
9%
# Hispanic Students
137 Students
43,013 Students
% Hispanic Students
9%
12%
# Black Students
74 Students
12,400 Students
% Black Students
5%
4%
# White Students
804 Students
112,369 Students
% White Students
53%
32%
# Hawaiian Students
5 Students
2,000 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
331 Students
144,451 Students
% of Others Students
22%
42%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
5 extracurriculars
7 extracurriculars
Average Number of Sports
12 sports
6 sports
Frequently Asked Questions
What are the top-ranked private preschools in Ontario, CA?
The top-ranked private preschools in Ontario, CA include Orion International Academy and Ontario Christian School.
How many private preschools are located in Ontario?
7 private preschools are located in Ontario.
How diverse are private preschools in Ontario?
Ontario private preschools are approximately 33% minority students, which is lower than the California private school average of 50%.
What percentage of private preschools are religiously affiliated in Ontario?
29% of private preschools in Ontario are religiously affiliated (most commonly Christian).
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