Rated as one of the top 5 elementary schools in the Boston area by Boston Parent's Paper!
St. Mary's offers a rich tradition of Catholic school education for students in preschool through grade eight. Accepting students at 2.9
We are a culturally diverse community that is guided by the Commandments of Love of God and Love of Neighbor.
In addition to religious instruction, the school curriculum challenges students to gain mastery in language arts, mathematics, science, and social studies by fostering inquiry, problem solving, and decision making skills.
Teachers develop and support an awareness of the connections between subjects by providing opportunities for student projects and presentations.
We believe that the curriculum should be integrated and reflect life experiences.
At all levels, students are provided with opportunities to explore their talents and interests when they participate in weekly art, music, physical education, and computer classes.
Starting at grade KII and continuing through grade 8, students are instructed in Spanish language and culture.
All St. Mary's students are expected to work cooperatively, and with respect for one another, as they experience the excitement that accompanies new learning.
Quick Stats (2025)
- Top Ranked MA School
- Grades: Prekindergarten-8
- Enrollment: 265 students
- Yearly Tuition: $6,300
- Average class size: 15 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Mary Of The Assumption School ranks among the top 20% of private schools in Massachusetts for:
Category
Attribute
Affordability
Advanced Degrees
Student Body
School History
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Learning Programs Supported
Orton Gillingham tutor
Year Founded
1899
Summer School Offered
Yes
School Calendar
Student Body
Total Students
265 students
Student Body Type
Co-ed
% Students of Color
59%
State avg.: 29%
Students by Grade
Academics and Faculty
Total Classroom Teachers
12 teachers
Student : Teacher Ratio
22:1
National avg.:
% Faculty w/Advanced Degree
90%
Average Class Size
15 students
Matriculation DataMatric. Data
Classroom Dress Code
Formal
Refer to our Uniform policy on our web site
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
$7,200 for K2-8
Check web site for details of PreK and Nursery tuition and hours
Admissions Director
Kim Kossuth
Sports
Total Sports Offered
2 sports
Sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
1 extracurricular
ExtracurricularsExtra-curric.
Club or Organization:
Spanish Club; Chess Club; Coding
Spanish Club; Chess Club; Coding
School Notes
- St. Mary's was established as a parish school in 1899. St. Mary's offers a rich tradition of Catholic school education for students in preschool through grade eight. We are a culturally diverse community that is guided by the Commandments of Love of God and Love of Neighbor. In addition to religious instruction, the school curriculum challenges students to gain mastery in language arts, mathematics, science, and social studies by fostering inquiry, problem solving, and decision making skills. Teachers develop and support an awareness of the connections between subjects by providing opportunities for student projects and presentations. We believe that the curriculum should be integrated and reflect life experiences. At all levels, students are provided with opportunities to explore their talents and interests when they participate in weekly art, music, physical education, and computer classes. Starting at Kindergarten and continuing through grade 8, students are instructed in Spanish language and culture. Implementing a rigorous curriculum our students are accepted at some of the finest exam schools in the area. 90% of our middle schoolers are accepted at Boston Latin School.
Source: Verified school update
Frequently Asked Questions
How much does St. Mary Of The Assumption School cost?
St. Mary Of The Assumption School's tuition is approximately $6,300 for private students.
What sports does St. Mary Of The Assumption School offer?
St. Mary Of The Assumption School offers 2 interscholastic sports: Basketball and Soccer.
What is St. Mary Of The Assumption School's ranking?
St. Mary Of The Assumption School ranks among the top 20% of private schools in Massachusetts for: Least expensive tuition, Highest percentage of students of color, Highest percentage of faculty with advanced degrees, Largest student body and Oldest founding date.
When is the application deadline for St. Mary Of The Assumption School?
The application deadline for St. Mary Of The Assumption School is rolling (applications are reviewed as they are received year-round).
In what neighborhood is St. Mary Of The Assumption School located?
St. Mary Of The Assumption School is located in the Central Village neighborhood of Brookline, MA.
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People that viewed St. Mary Of The Assumption School also viewed these schools: The Park School, Shady Hill School, New England Hebrew Academy and SouthfieldSchool.
The nearest high school and elementary school to St. Mary Of The Assumption School is Manville School (0.6 miles away)
The nearest preschool is Frances Jacobson Early Childhood Center (0.6 miles away)
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Brookline, MA 02445
(617) 277-2456
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Cambridge, MA 02138
(617) 520-5200
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Brookline, MA 02445
(617) 522-6980
Brookline, MA 02445
(617) 522-6980
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School Reviews
5 1/19/2024
St. Mary of the Assumption is a wonderful school. The academics far surpass the public schools in the area. The school community is extremely diverse with many cultures and religions represented. I would highly recommend this school.
5 4/27/2020
St. Mary of the Assumption is a superb school - students are well prepared for exam schools and other outstanding Catholic and private high schools. Strong leadership- experienced faculty- technology across the curriculum. Strongest school in the archdiocese. Check it out!
5 5/6/2018
Excellent school! I have two children who attend St Mary`s and we have loved it. Wonderful teachers and superb principal. Dr Kirk is fantastic. We are lucky to have her.
5 10/14/2017
This is an outstanding and highly competitive school. Our children have spent the past 8 years at St Mary's Brookline. Excellent teachers- well run- state of art classrooms. I highly recommend it.
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