Carnahan Sch. of the Future
Magnet · Grades 12
St. Mary's South Side Catholic High School
4701 S Grand Blvd, Saint Louis, MO 63111
Grades
9–12
High
Students
203
Enrolled 2024–25
Students per teacher
9 : 1
Full-time teachers
District
Catholic School
St. Louis City
About St. Mary's South Side Catholic High School
St. Mary's South Side Catholic High School is a high school in Saint Louis, Missouri, serving grades 9–12. The school is located in a large city in St. Louis City.
In the 2024–25 school year, 203 students were enrolled, with about 9 students for every full-time teacher. That ratio is smaller than the typical Missouri high school (11.9 students per teacher). It is affiliated with the Roman Catholic tradition.
Grades
PKK123456789101112
Highlighted: grades offeredGrades 9–12
Location & nearby schools
School details
- Type
- Catholic School · What this means
- Religious affiliation
- Roman Catholic
- Students
- All-boys
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 203 students
- Students per teacher
- 9 to 1
- Locale
- City — Large
- County
- St. Louis City
- NCES private school ID
- 00751986
Schools near St. Mary's South Side Catholic High School
All 94 schools in Saint Louis →
Kairos High
Charter · Grades 9–11 · 287 students
Roosevelt High
Public · Grades 9–12 · 734 students
Gateway Science Academy High
Charter · Grades 9–12 · 461 students
Collegiate School of Med/Bio
Magnet · Grades 9–12 · 332 students
Central Visual/Perf. Arts High
Magnet · Grades 9–12 · 314 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.