St. Mary's School, existing as an extension of St. Mary's Parish, Ballston Spa, strive to provide a quality Catholic elementary education animated by the Gospel's spirit of love and created in an atmosphere of academic excellence in order to enable the growth in holiness and wholeness of all young boys and girls entrusted to our care in grades Pre-K through 5.
The administration, faculty and staff of St. Mary's School hope to present to the children entrusted to its care a Catholic elementary school committed to providing principles by which we think and act both critically and creatively within our culture, communicating information truthfully and encouraging social awareness and responsible decision making.
We accept the challenge of the Gospel to act compassionately, to provide experience of prayer, and to encourage strong loving relationships among students, parents, teachers, administrators, parishes, and the larger community that contribute to a continual growth in faith, hope, and love.
Our purpose is to nourish young people in faith and to develop their talents for growth and service to others.
We understand ourselves as a complement to parents in providing education to their children.
We are committed to the church's mandate to share the Gospel message to build community and to model service, while providing quality education.
Quick Stats (2025)
- Grades: Prekindergarten-5
- Enrollment: 192 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-5
Student Body
Total Students
192 students
Student Body Type
Co-ed
% Students of Color
8%
State avg.: 40%
Students by Grade

Academics and Faculty
Total Classroom Teachers
10 teachers
Student : Teacher Ratio
19:1
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. Mary S School?
The application deadline for St. Mary S School is rolling (applications are reviewed as they are received year-round).
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