St. John Catholic School
Diocesan school · Grades K–8
San Lorenzo, CA
270 E Lewelling Blvd, San Lorenzo, CA 94580
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- A-Years serving families
- ADiversity
What stands out
- The only Catholic school in San Lorenzo
- Smaller classes than 76% of Catholic schools in California
- Serving families in San Lorenzo since at least 2011
St. John Catholic School is a Catholic diocesan school in San Lorenzo, California, for students from kindergarten through 8th grade. It has about 168 students and around 13 students per teacher, smaller classes than 76% of Catholic elementary schools in California. It has been listed in official private school records since 2011–12. The school is part of the Diocese of Oakland. Students attend about 7 hours a day, 180 days a year.
At a glance
- Grades
- Grades K–8
- Students
- 168
- Teachers
- 13.1 (full-time equivalent)
- Students per teacher
- 12.8
- Boys and girls
- Coed · 84 girls, 84 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
- Smaller classes than 76% of Catholic elementary schools in California (13 students per teacher).
- A smaller school: fewer students than 70% 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. John Catholic School
What grades does St. John Catholic School serve?
St. John Catholic School serves grades K–8.
How many students attend St. John Catholic School?
About 168 students, with 13 students per teacher, according to official records.
How much is tuition at St. John Catholic 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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