Holy Trinity Elementary School
Diocesan school · Grades K–8
El Cajon, CA
509 Ballard St, El Cajon, CA 92019
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- B+Years serving families
- A-Diversity
What stands out
- The smallest classes of any Catholic school in El Cajon
- Smaller classes than 83% of Catholic schools in California
In El Cajon, California, Holy Trinity Elementary School is a Catholic diocesan school for students from kindergarten through 8th grade. About 141 students attend, with roughly 12 students per teacher, smaller classes than 83% of Catholic elementary schools in California. The school is part of the Diocese of San Diego. The school day runs about 8 hours, 179 days a year.
At a glance
- Grades
- Grades K–8
- Students
- 141
- Teachers
- 11.9 (full-time equivalent)
- Students per teacher
- 11.8
- Boys and girls
- Coed · 72 girls, 69 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of San Diego
- School day
- About 8 hours
- School year
- 179 days
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 83% of Catholic elementary schools in California (12 students per teacher).
- A smaller school: fewer students 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
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 Holy Trinity Elementary School
What grades does Holy Trinity Elementary School serve?
Holy Trinity Elementary School serves grades K–8.
How many students attend Holy Trinity Elementary School?
About 141 students, with 12 students per teacher, according to official records.
How much is tuition at Holy Trinity 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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