Assumption School
Diocesan school · Grades K–8
San Leandro, CA
1851 136th Ave, San Leandro, CA 94578
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 67% of Catholic schools in California
- Serving families in San Leandro since at least 2011
In San Leandro, California, Assumption School is a Catholic diocesan school for students from kindergarten through 8th grade. About 247 students attend, with roughly 14 students per teacher, smaller classes than 67% 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. The school day runs about 7 hours, 180 days a year.
At a glance
- Grades
- Grades K–8
- Students
- 247
- Teachers
- 17.4 (full-time equivalent)
- Students per teacher
- 14.2
- Boys and girls
- Coed · 118 girls, 129 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 67% of Catholic elementary schools in California (14 students per teacher).
- Larger than 64% 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 Assumption School
What grades does Assumption School serve?
Assumption School serves grades K–8.
How many students attend Assumption School?
About 247 students, with 14 students per teacher, according to official records.
How much is tuition at Assumption 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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