St. Marys High School
Diocesan school · Grades 9–12
Stockton, CA
5648 N El Dorado St, Stockton, CA 95207
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- B+College-going
- B-Years serving families
- A+Diversity
What stands out
- One of 6 Catholic schools in Stockton
In Stockton, California, St. Marys High School is a Catholic diocesan school for students from 9th grade through 12th grade. About 836 students attend, with roughly 15 students per teacher. The school is part of the Diocese of Stockton. The school reports that about 80% of its graduates go on to four-year colleges. The school day runs about 6.5 hours, 180 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 836
- Teachers
- 55.5 (full-time equivalent)
- Students per teacher
- 15.1
- Boys and girls
- Coed · 391 girls, 445 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Stockton
- 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
- Larger than 79% of Catholic high schools in California.
- Compared with 86 Catholic high schools in California.
Students by grade
Student body
Member of
- National Catholic Educational Association
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 High School
What grades does St. Marys High School serve?
St. Marys High School serves grades 9–12.
How many students attend St. Marys High School?
About 836 students, with 15 students per teacher, according to official records.
How much is tuition at St. Marys High School?
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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