St. Margaret Mary Catholic School was founded on March 14, 1956 and opened its doors in September 1956 to 746 students.
It was staffed by the Felician Sisters and nine lay teachers in fourteen classrooms.
In September 1969, St. Margaret Mary was accredited by the Texas Education Agency.
Every member of our staff is committed to teaching the critical skills necessary for the students to become citizens in a never-ending technological and multicultural society.
School Overview
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Student Body
Total Students
207 students
Student Body Type
Co-ed
% Students of Color
96%
State avg.: 41%
Students by Grade

Academics and Faculty
Total Classroom Teachers
15 teachers
Student-Teacher Ratio
14:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for St. Margaret Mary School?
The application deadline for St. Margaret Mary School is rolling (applications are reviewed as they are received year-round).
In what neighborhood is St. Margaret Mary School located?
St. Margaret Mary School is located in the Highlands neighborhood of San Antonio, TX.
Recent Articles

What Private School Alumni Say a Decade Later
Ten years after graduation, private school alumni reflect on advantages, regrets, career impact, and life lessons—unearthing truths families need to know.

Can Private School Help with College Admissions?
Explore how private schools influence college admissions—advantages, limitations, and what families should expect.

Inside the Daily Life of a Private School Student
Discover what daily life is like for private school students in 2025, from classes and athletics to dining, dorms, and extracurriculars.