St. Mary's School in Rensselaer, NY, serves 161 co–ed udents from pre–kindergarten through 8th grade in an urban community setting.
The school maintains a udent–teacher ratio of 15:1 with 11 teachers supporting its regular elementary and secondary Catholic education programs.
Founded as a Catholic school,. Mary's is a member of the National Catholic Educational Association and reflects 17% udent diversity by race.
Located near several private schools within 2.5 miles,. Mary's offers a Catholic option for families seeking PK–8 education in the Rensselaer and Albany area.
School Overview
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Student Body
Total Students
161 students
Student Body Type
Co-ed
% Students of Color
17%
State avg.: 40%
Students by Grade
Academics and Faculty
Total Classroom Teachers
11 teachers
Student-Teacher Ratio
15:1
National avg.:
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).
Nearby ²ÝÁñÉçÇø Schools
The nearest high school to St. Mary's School is Bishop Maginn High School (2.4 miles away)
The nearest elementary school is The Free School (2.1 miles away)
The nearest preschool is Bethlehem Preschool Inc (2.1 miles away)
Show me:
School
Location
Miles
Quick Facts
Bethlehem Preschool Inc
Daycare / Preschool
397 Rte 9W
Glenmont, NY 12077
(518) 463-8091
Glenmont, NY 12077
(518) 463-8091
2.1 miles
Gr: K | 7 students
The Free School![The Free School Photo - Thisis us!]( "The Free School Photo - Thisis us!")
Special Program Emphasis
8 Elm St
Albany, NY 12202
(518) 434-3072
Albany, NY 12202
(518) 434-3072
2.1 miles
Gr: PK-8 | 28 students Avg. class size: 8 students Tuition & acceptance rate listed
Bishop Maginn High School
(Catholic)
99 Slingerland Street
Albany, NY 12202
(518) 463-2247
Albany, NY 12202
(518) 463-2247
2.4 miles
Gr: 9-12 | 114 students Avg. class size: 15 students Tuition listed
Castle Island Bilingual Montessori![Castle Island Bilingual Montessori Photo - Joyful friends!]( "Castle Island Bilingual Montessori Photo - Joyful friends!")
All-boys | Montessori School
602 Broadway
Albany, NY 12207
(518) 533-9838
Albany, NY 12207
(518) 533-9838
2.4 miles
Gr: NS-6 | 48 students Avg. class size: 21 students Tuition & acceptance rate listed
Mt. Moriah Academy
(Christian)
262 Rt 9w
Glenmont, NY 12077
(518) 426-4510
Glenmont, NY 12077
(518) 426-4510
2.4 miles
Gr: PK-12 | 36 students
Recent Articles
Parent Engagement in ²ÝÁñÉçÇø Schools in 2026
Explore how parent engagement in private schools builds strong communities, support networks, and student success in 2026.
So Many Choices: Navigating ²ÝÁñÉçÇø School Selection in 2026
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.
2026 Roadmap to Starting a ²ÝÁñÉçÇø School
A 2026 guide to launching a private school, covering planning, costs, admissions timing, governance, and trends parents care about now.
