Cathedral Catholic High School
Diocesan school · Grades 9–12
San Diego, CA
5555 Del Mar Heights Rd, San Diego, CA 92130
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- A-College-going
- B+Years serving families
- ADiversity
What stands out
- The largest Catholic school in San Diego
- 85% of graduates go to four-year colleges
- Serving families in San Diego since at least 2011
Cathedral Catholic High School is a Catholic diocesan school in San Diego, California, for students from 9th grade through 12th grade. It has about 1,669 students and around 17 students per teacher. The school is part of the Diocese of San Diego. The school reports that about 85% of its graduates go on to four-year colleges. Students attend about 6.5 hours a day, 180 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 1,669
- Teachers
- 99 (full-time equivalent)
- Students per teacher
- 16.9
- Boys and girls
- Coed · 844 girls, 825 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of San Diego
- School day
- About 6.5 hours
- School year
- 180 days
- Graduates going to 4-year colleges
- About 85% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Larger than 97% of Catholic high schools in California.
- Compared with 86 Catholic high 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 Cathedral Catholic High School
What grades does Cathedral Catholic High School serve?
Cathedral Catholic High School serves grades 9–12.
How many students attend Cathedral Catholic High School?
About 1,669 students, with 17 students per teacher, according to official records.
How much is tuition at Cathedral Catholic High 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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