The mission of St. Mary of the Purification Montessori School is to promote and nurture the optimum spiritual, intellectual, cultural and physical development of the children of St. Mary's School through a Catholic Montessori Education System according to Roman Catholic principles and in a collaborative partnership with parents.
St. Mary of the Purification Montessori School acknowledges that parents are the first educators of their children.
Faculty, staff, clergy and parents work together as a collaborative team to teach as Christ taught.
Our team creates a warm caring environment that, by example, teaches Christian principles.
We nurture and encourage the development of self-esteem and dignity in each child.
St. Mary's is a school that uses both traditional and the Montessori method to empower each child with Christian values, academic skills, and social principles to continue his/her educational endeavors and live a full Christian life.
Our aim is to graduate students who are well-versed in the Catholic faith, have a personal relationship with God, and are academically prepared to continue their education.
Quick Stats (2025)
- Grades: Kindergarten-8
- Enrollment: 189 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
St. Mary Of The Purification Catholic School ranks among the top 20% of private schools in Texas for:
Category
Attribute
School Overview
Religious Affiliation
Grades Offered
Grades Kindergarten-8
School Calendar
Student Body
Total Students
189 students
Student Body Type
Co-ed
% Students of Color
98%
State avg.: 41%
Students by Grade

Academics and Faculty
Total Classroom Teachers
18 teachers
Student : Teacher Ratio
11:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- The mission of St. Mary of the Purification Montessori School is to promote and nurture the optimum spiritual, intellectual, cultural and physical development of the children of St. Mary's School through a Catholic Montessori Education System according to Roman Catholic principles and in a collaborative partnership with parents. St. Mary of the Purification Montessori School acknowledges that parents are the first educators of their children. Faculty, staff, clergy and parents work together as a collaborative team to teach as Christ taught. Our team creates a warm caring environment that, by example, teaches Christian principles. We nurture and encourage the development of self-esteem and dignity in each child. St. Mary's is a school that uses both traditional and the Montessori method to empower each child with Christian values, academic skills, and social principles to continue his/her educational endeavors and live a full Christian life. Our aim is to graduate students who are well-versed in the Catholic faith, have a personal relationship with God, and are academically prepared to continue their education.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for St. Mary Of The Purification Catholic School?
The application deadline for St. Mary Of The Purification Catholic School is rolling (applications are reviewed as they are received year-round).
In what neighborhood is St. Mary Of The Purification Catholic School located?
St. Mary Of The Purification Catholic School is located in the South Side neighborhood of Houston, TX. There are 5 other private schools located in South Side.
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