St. Marys Academy
Independent Catholic school · Grades 9–12
Portland, OR
1615 SW 5th Ave, Portland, OR 97201
Overall grade: A-
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- ACollege-going
- B+Years serving families
- A-Diversity
What stands out
- The only all-girls school in Portland
- 99% of graduates go to four-year colleges
- Serving families in Portland since at least 2011
St. Marys Academy is an independent Catholic school in Portland, Oregon, for students from 9th grade through 12th grade. It has about 606 students and around 12 students per teacher. The school is an all-girls school and is part of the Archdiocese of Portland. The school reports that about 99% of its graduates go on to four-year colleges. Students attend about 6.5 hours a day, 160 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 606
- Teachers
- 49.3 (full-time equivalent)
- Students per teacher
- 12.3
- Boys and girls
- All girls
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Archdiocese of Portland
- School day
- About 6.5 hours
- School year
- 160 days
- Graduates going to 4-year colleges
- About 99% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Larger than 60% of Catholic high schools in Oregon.
- Compared with 10 Catholic high schools in Oregon.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- 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 St. Marys Academy
What grades does St. Marys Academy serve?
St. Marys Academy serves grades 9–12.
How many students attend St. Marys Academy?
About 606 students, with 12 students per teacher, according to official records.
How much is tuition at St. Marys 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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