For the 2025-26 school year, there are 11 private schools serving 2,293 students in Ontario, CA (there are 40 public schools, serving 26,270 public students). 8% of all K-12 students in Ontario, CA are educated in private schools (compared to the CA state average of 10%).
The top ranked private 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 school average acceptance rate of 80%.
Top Ranked Ontario Private 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
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
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
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
Port View Preparatory
Special Education School
1460 S Milliken Ave
Ontario, CA 91761
(714) 463-6390
Ontario, CA 91761
(714) 463-6390
Gr: Inquire with school | 117 students
Frequently Asked Questions
What are the top ranked private schools in Ontario, CA?
The top ranked private schools in Ontario, CA include Ontario Christian School, St. George Parish School, and Orion International Academy.
How many private schools are located in Ontario?
11 private schools are located in Ontario.
How diverse are private schools in Ontario?
Ontario private schools are approximately 48% minority students, which is lower than the California private school average of 51%.
What percentage of students in Ontario go to private school?
8% of all K-12 students in Ontario are educated in private schools (compared to the CA state average of 10%).
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