Orion International Academy Photo - Cross-Country Team

Best Ontario Private High Schools (2025)

For the 2025 school year, there are 4 private high schools serving 1,776 students in Ontario, CA.
The top ranked private high schools in Ontario, CA include Ontario Christian School and Orion International Academy.
The average acceptance rate is 99%, which is higher than the California private high school average acceptance rate of 78%.
50% of private high schools in Ontario, CA are religiously affiliated (most commonly Baptist and Christian).

Top Ranked Ontario Private High Schools (2025)

School
Location
Grades
Students
11255 Central Ave.
Ontario, CA 91762
(909) 999-0025
Grades: PK-12
| 218 students
Ontario Christian School
(Christian)
1907 S Euclid Ave
Ontario, CA 91762
(909) 984-1756
Grades: PK-12
| 1,428 students
Inland Conservatory For The Performing Arts School
Special Program Emphasis
104 W C St
Ontario, CA 91762
(800) 419-5216
Grades: PK-12
| 54 students
Montecito Baptist School
(Baptist)
2560 S Archibald Ave
Ontario, CA 91761
(909) 923-8455
Grades: K-12
| 76 students

Frequently Asked Questions

What are the top ranked private high schools in Ontario, CA?
The top ranked private high schools in Ontario, CA include Ontario Christian School and Orion International Academy.
How many private high schools are located in Ontario?
4 private high schools are located in Ontario.
What percentage of private high schools are religiously affiliated in Ontario?
50% of private high schools in Ontario are religiously affiliated (most commonly Baptist and Christian).

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