For the 2026 school year, there are 7 private elementary schools serving 2,164 students in Ontario, CA.
The top-ranked private elementary schools in Ontario, CA include Ontario Christian School, St. George Parish School, and Orion International Academy.
The average acceptance rate is 93%, which is higher than the California private elementary school average acceptance rate of 81%.
Top-Ranked Ontario Private Elementary Schools (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
322 W D St
Ontario, CA 91762
(909) 984-9123
Ontario, CA 91762
(909) 984-9123
Gr: K-8 | 304 students Avg. class size: 26 students Sports: 4 | Extracurrculars: 7 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: K-8 | 52 students Avg. class size: 14 students Tuition 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
Montecito Baptist School
(Baptist)
2560 S Archibald Ave
Ontario, CA 91761
(909) 923-8455
Ontario, CA 91761
(909) 923-8455
Gr: K-12 | 76 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
2,164 Students
505,059 Students
% Average Students of Color
47%
50%
Academics and Faculty:
# Teachers
148 Teachers
44,288 Teachers
Average Student-Teacher Ratio
15:1
12:1
% Average Faculty w/Advanced Degree
67%
59%
Average Class Size
17 students
17 students
Average Number of AP Courses
33 courses
13 courses
Average SAT score
1352
(Out of 1600)
1270
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$7,500
$17,573
Average Summer Program Cost
$350
$1,016
Average % on Financial Aid
23%
28%
Average Financial Aid Grant
$2,500
$8,373
Average Acceptance Rate
93%
81%
Students by Ethnicity:
Diversity Score
0.72
0.74
# American Indian Students
12 Students
2,780 Students
% American Indian Students
1%
n/a
# Asian Students
204 Students
57,646 Students
% Asian Students
11%
12%
# Hispanic Students
460 Students
81,074 Students
% Hispanic Students
24%
17%
# Black Students
81 Students
23,453 Students
% Black Students
4%
5%
# White Students
819 Students
193,485 Students
% White Students
42%
40%
# Hawaiian Students
6 Students
3,903 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
346 Students
122,342 Students
% of Others Students
18%
25%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
6 extracurriculars
8 extracurriculars
Average Number of Sports
8 sports
6 sports
Frequently Asked Questions
What are the top-ranked private elementary schools in Ontario, CA?
The top-ranked private elementary schools in Ontario, CA include Ontario Christian School, St. George Parish School, and Orion International Academy.
How many private elementary schools are located in Ontario?
7 private elementary schools are located in Ontario.
How diverse are private elementary schools in Ontario?
Ontario private elementary schools are approximately 47% minority students, which is lower than the California private school average of 50%.
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