De La Salle High School
Independent Catholic school · Grades 9–12
Concord, CA
1130 Winton Dr, Concord, CA 94518
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- B+College-going
- A-Years serving families
- A+Diversity
What stands out
- The largest Catholic school in Concord
- Smaller classes than 67% of Catholic schools in California
- Serving families in Concord since at least 2011
De La Salle High School is an independent Catholic school in Concord, California, for students from 9th grade through 12th grade. It has about 1,042 students and around 13 students per teacher, smaller classes than 67% of Catholic high schools in California. Its enrollment has held steady since 2011–12. The school is an all-boys school and is part of the Diocese of Oakland. The school reports that about 76% of its graduates go on to four-year colleges. Students attend about 5 hours a day, 180 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 1,042
- Teachers
- 83 (full-time equivalent)
- Students per teacher
- 12.6
- Boys and girls
- All boys
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Diocese of Oakland
- School day
- About 5 hours
- School year
- 180 days
- Graduates going to 4-year colleges
- About 76% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 67% of Catholic high schools in California (13 students per teacher).
- Larger than 87% 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
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 De La Salle High School
What grades does De La Salle High School serve?
De La Salle High School serves grades 9–12.
How many students attend De La Salle High School?
About 1,042 students, with 13 students per teacher, according to official records.
How much is tuition at De La Salle 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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