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St. Mary Of The Assumption School

67 Harvard St Brookline, MA 02445

Quick Facts (2026-27)

  • 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
St. Mary Of The Assumption School Photo #1 - Safely enjoying a Halloween Parade!
St. Mary Of The Assumption School Photo #2 - Visit us at St Mary's Brookline, MAFind out what makes our school so special!
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Quick Facts (2026-27)

  • 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

School Rankings

St. Mary Of The Assumption School ranks among the top 20% of private schools in Massachusetts for:

School Facts

Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Students By Grade
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Learning Programs Supported
Orton Gillingham tutor
Year Founded
1899
Summer School Offered
Yes
School Calendar
Awards
 Blue Ribbon School - Selected in 2024
School Motto
Live in Faith, Love beyond Measure

Student Body

Total Students
265 students
Student Body Type
Co-ed
% Students of Color
59%
State avg.: 31%

Academic Profile

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 & Financial Aid

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
Application URL

Sports

Total Sports Offered
2 sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
1 extracurricular
ExtracurricularsExtra-curric.
Club or Organization:
Spanish Club; Chess Club; Coding

School Notes

  • 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.
  • 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.

School Reviews

  5.00 out of 5  (4 reviews)
5  
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.
- Posted by
5  
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!
- Posted by
5  
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.
- Posted by
5  
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.
- Posted by

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Did You Know?

The average private school tuition in Brookline, MA is $42,698 for elementary schools (read more about average private school tuition across the country).

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