Leo Catholic High School
Diocesan school · Grades 9–12
Chicago, IL
7901 S Sangamon St, Chicago, IL 60620
Overall grade: B+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- A-College-going
- A-Years serving families
- B+Diversity
What stands out
- 92% of graduates go to four-year colleges
- Growing: enrollment up 61% since 2011–12
- Serving families in Chicago since at least 2011
In Chicago, Illinois, Leo Catholic High School is a Catholic diocesan school for students from 9th grade through 12th grade. About 228 students attend, with roughly 13 students per teacher. Enrollment is up about 61% since 2011–12. The school is an all-boys school and is part of the Archdiocese of Chicago. The school reports that about 92% of its graduates go on to four-year colleges. The school day runs about 7 hours, 181 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 228
- Teachers
- 17.1 (full-time equivalent)
- Students per teacher
- 13.3
- Boys and girls
- All boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Archdiocese of Chicago
- School day
- About 7 hours
- School year
- 181 days
- Graduates going to 4-year colleges
- About 92% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- A smaller school: fewer students than 73% of Catholic high schools in Illinois.
- Compared with 51 Catholic high schools in Illinois.
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 Leo Catholic High School
What grades does Leo Catholic High School serve?
Leo Catholic High School serves grades 9–12.
How many students attend Leo Catholic High School?
About 228 students, with 13 students per teacher, according to official records.
How much is tuition at Leo 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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