St. Didacus School
Parish school · Grades Pre-K–8
San Diego, CA
4630 34th St, San Diego, CA 92116
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- A-Years serving families
- A+Diversity
What stands out
- Smaller classes than 80% of Catholic schools in California
- Serving families in San Diego since at least 2011
In San Diego, California, St. Didacus School is a Catholic parish school for students from pre-K through 8th grade. About 145 students attend, with roughly 12 students per teacher, smaller classes than 80% 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 San Diego. The school day runs about 7 hours, 180 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 145
- Teachers
- 11.9 (full-time equivalent)
- Students per teacher
- 12.2
- Boys and girls
- Coed · 85 girls, 60 boys
- Religious affiliation
- Catholic · Parish school
- Diocese
- Diocese of San Diego
- School day
- About 7 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 80% of Catholic elementary schools in California (12 students per teacher).
- A smaller school: fewer students than 80% 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. Didacus School
What grades does St. Didacus School serve?
St. Didacus School serves grades Pre-K–8.
How many students attend St. Didacus School?
About 145 students, with 12 students per teacher, according to official records.
How much is tuition at St. Didacus 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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