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%.
Top Ranked Ontario Private High Schools (2025)
School
Location
Grades
Students
11255 Central Ave.
Ontario, CA 91762
(909) 999-0025
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
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
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
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.
Recent Articles

June 09, 2025
Is It Easier to Land a Private School Job When You're Already Employed?Is it easier to land a private school job when you're already employed? This article breaks down employer biases, networking advantages, and negotiation leverage—plus the latest hiring trends in independent schools. If you’re considering a move, here’s how to maximize your position.

June 09, 2025
How to Secure a Private School Job When You're Unemployed Without the StigmaFinding a private school job while unemployed can be tough, but it doesn't have to hold you back. This article breaks down networking strategies, ways to stand out, and smart approaches to keep your confidence strong. Learn how to turn setbacks into strengths and secure the right opportunity—without the stigma.

June 09, 2025
The Private School Job Hunt: Insider Tips for Employed & Unemployed EducatorsNavigating the private school job market? Whether you're employed or unemployed, the right strategy can make all the difference. This article breaks down essential steps to keep your resume sharp, expand your network, and stay visible in the education community. Learn insider tips to position yourself for success in private schools.