For the 2026 school year, there are 8 private preschools serving 1,816 students in Ontario, CA.
The top-ranked private preschools in Ontario, CA include San Antonio Christian School, Orion International Academy, and Ontario Christian School.
The average acceptance rate is 96%, which is higher than the California private preschool average acceptance rate of 82%.
38% of private preschools in Ontario, CA are religiously affiliated (most commonly Christian and Seventh Day Adventist).
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 students Tuition & acceptance rate listed
San Antonio Christian School
(Seventh Day Adventist)
1722 E 8th St
Ontario, CA 91764
(909) 982-2301
Ontario, CA 91764
(909) 982-2301
Gr: PK-8 | 54 students Avg. class size: 14 students 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
8 Schools
Student Body:
# Students
1,816 Students
362,895 Students
% Average Students of Color
35%
50%
Academics and Faculty:
# Teachers
126 Teachers
26,807 Teachers
Average Student-Teacher Ratio
14:1
14:1
% Average Faculty w/Advanced Degree
75%
58%
Average Class Size
13 students
18 students
Average Number of AP Courses
33 courses
12 courses
Average SAT score
1352
(Out of 1600)
1285
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$9,500
$15,751
Average Summer Program Cost
$250
$779
Average % on Financial Aid
30%
25%
Average Financial Aid Grant
$4,000
$5,649
Average Acceptance Rate
96%
82%
Average Endowment Size
$50 million
$30.58 million
Students by Ethnicity:
Diversity Score
0.67
0.70
# American Indian Students
12 Students
1,687 Students
% American Indian Students
1%
n/a
# Asian Students
171 Students
30,543 Students
% Asian Students
11%
9%
# Hispanic Students
163 Students
43,579 Students
% Hispanic Students
10%
13%
# Black Students
79 Students
12,236 Students
% Black Students
5%
3%
# White Students
808 Students
112,761 Students
% White Students
51%
33%
# Hawaiian Students
5 Students
2,016 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
342 Students
143,453 Students
% of Others Students
22%
41%
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 San Antonio Christian School, Orion International Academy, and Ontario Christian School.
How many private preschools are located in Ontario?
8 private preschools are located in Ontario.
How diverse are private preschools in Ontario?
Ontario private preschools are approximately 35% minority students, which is lower than the California private school average of 50%.
What percentage of private preschools are religiously affiliated in Ontario?
38% of private preschools in Ontario are religiously affiliated (most commonly Christian and Seventh Day Adventist).
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