St. Mary Elementary School
Diocesan school · Grades Pre-K–8
Walnut Creek, CA
1158 Bont Ln, Walnut Creek, CA 94596
Overall grade: B+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- A-Years serving families
- ADiversity
What stands out
- The only Catholic school in Walnut Creek
- Serving families in Walnut Creek since at least 2011
In Walnut Creek, California, St. Mary Elementary School is a Catholic diocesan school for students from pre-K through 8th grade. About 300 students attend, with roughly 20 students per teacher. Its enrollment has held steady since 2011–12. The school is part of the Diocese of Oakland. The school day runs about 7 hours, 180 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 300
- Teachers
- 15 (full-time equivalent)
- Students per teacher
- 20
- Boys and girls
- Coed · 162 girls, 138 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Oakland
- School day
- About 7 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Larger than 81% of Catholic elementary schools in California.
- Compared with 416 Catholic elementary 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
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. Mary Elementary School
What grades does St. Mary Elementary School serve?
St. Mary Elementary School serves grades Pre-K–8.
How many students attend St. Mary Elementary School?
About 300 students, with 20 students per teacher, according to official records.
How much is tuition at St. Mary Elementary 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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