Orion International Academy
Independent school · Grades K–12
Ontario, CA
11255 Central Ave, Ontario, CA 91762
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- ACollege-going
- BYears serving families
- B+Diversity
What stands out
- 100% of graduates go to four-year colleges
- Growing: enrollment up 56% since 2019–20
Orion International Academy is an independent private school in Ontario, California, for students from kindergarten through 12th grade. It has about 112 students and around 10 students per teacher. Enrollment has grown about 56% since 2019–20. The school reports that about 100% of its graduates go on to four-year colleges. Students attend about 8 hours a day, 180 days a year.
At a glance
- Grades
- Grades K–12
- Students
- 112
- Teachers
- 10.9 (full-time equivalent)
- Students per teacher
- 10.3
- Boys and girls
- Coed · 45 girls, 67 boys
- Religious affiliation
- None (nonsectarian)
- School day
- About 8 hours
- School year
- 180 days
- Graduates going to 4-year colleges
- About 100% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Larger than 52% of independent schools in California.
- Compared with 156 independent schools in California.
Students by survey year
Total students reported in official records since 2019–20.
Students by grade
Student body
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Orion International Academy
What grades does Orion International Academy serve?
Orion International Academy serves grades K–12.
How many students attend Orion International Academy?
About 112 students, with 10 students per teacher, according to official records.
How much is tuition at Orion International Academy?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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