For the 2025-26 school year, there are 7 private elementary schools serving 2,146 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 (2025-26)
School
Location
Quick Facts
11255 Central Ave.
Ontario, CA 91762
(909) 999-0025
Ontario, CA 91762
(909) 999-0025
Gr: PK-12 | 218 students Avg. class size: 12 students Sports: 8 | 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
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
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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