Rosary Academy
Diocesan school · Grades 9–12
Fullerton, CA
1340 N Acacia Ave, Fullerton, CA 92831
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- B+College-going
- A-Years serving families
- A+Diversity
What stands out
- The only all-girls school in Fullerton
- Smaller classes than 63% of Catholic schools in California
- Serving families in Fullerton since at least 2011
Rosary Academy is a Catholic diocesan school in Fullerton, California, for students from 9th grade through 12th grade. It has about 464 students and around 13 students per teacher, smaller classes than 63% of Catholic high schools in California. It has been listed in official private school records since 2011–12. The school is an all-girls school and is part of the Diocese of Orange. The school reports that about 80% of its graduates go on to four-year colleges. Students attend about 6.5 hours a day, 180 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 464
- Teachers
- 36 (full-time equivalent)
- Students per teacher
- 12.9
- Boys and girls
- All girls
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Orange
- School day
- About 6.5 hours
- School year
- 180 days
- Graduates going to 4-year colleges
- About 80% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 63% of Catholic high schools in California (13 students per teacher).
- A smaller school: fewer students than 52% of Catholic high schools in California.
- Compared with 86 Catholic high schools in California.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
- National Coalition of Girls' Schools
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 Rosary Academy
What grades does Rosary Academy serve?
Rosary Academy serves grades 9–12.
How many students attend Rosary Academy?
About 464 students, with 13 students per teacher, according to official records.
How much is tuition at Rosary 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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