We Believe... In a cohesive experience, connecting with families and nurturing students from preschool through high school graduation with differentiated, age appropriate experiences along the way.
In the value of our rich tradition, proud of our history and our legacy of our past, while embracing new and effective ideas and methods to prepare our students for the future.
In inclusion, welcoming all students and providing support services to meet their academic, spiritual, physical, social and emotional needs.
In structure and building character through Catholic teachings and the opportunity to know Christ, putting our faith into action through service.
In providing access to technology so students have the opportunity to build skills for the future for the purpose of improving our world.
Quick Stats (2025)
- Top Ranked MA School
- Grades: Prekindergarten-8
- Enrollment: 317 students
- Yearly Tuition: $8,500
- Acceptance rate: 100%
- Average class size: 16 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Agnes School ranks among the top 20% of private schools in Massachusetts for:
Category
Attribute
Student Body
AP Courses
School History
School Resources
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Learning Difference Programs
Yes
Year Founded
1888
School Calendar
First Day of School
Mon. Sep 1, 2025
Last Day of School
Mon. May 25, 2026
School Motto
Teaching a values-based education is a vital part of our mission.
Student Body
Total Students
317 students
Student Body Type
Co-ed
% Students of Color
17%
State avg.: 29%
Students by Grade
Academics and Faculty
Total Classroom Teachers
22 teachers
Student : Teacher Ratio
14:1
National avg.: 13:1
% Faculty w/Advanced Degree
85%
Average Class Size
16 students
Number of AP Courses
23 courses
List of Courses Offered
Matriculation DataMatric. Data
Classroom Dress Code
Casual
Uniform: Girls: skirt or pants and polo: Boys: Navy pants and polo shirt with logo. shorts and skorts are also available as part of the uniform
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
There are discounts for more than one child. Some tuition assistance is available after the first year. Tuition is payable in 10 monthly installments through the FACTS program.
% on Financial Aid
15%
Average Financial Aid Grant
$3,000
Acceptance Rate
100%
National avg.: 81%
Admissions Director
Mrs. Patricia Crane
Application URL
Endowment Size
$100 million
Sports
Total Sports Offered
6 sports
Sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
6 extracurriculars
ExtracurricularsExtra-curric.
Golf and Ski Club, Student Council
Club or Organization:
National Junior Honor Society
Arts and Music Programs:
Band Program, Choir, Drama Club
Club or Organization:
National Junior Honor Society
Arts and Music Programs:
Band Program, Choir, Drama Club
School Notes
Saint Agnes School proudly offers:
- A challenging academic curriculum which includes Spanish K1-8, and Latin 6-8, art, music, technology, and physical education
- Access to a full size gymnasium
- Full day Preschool (K0) and PreK (K1)
- Learning Center with full time special education teacher
- Full time school nurse
- Full time guidance counselor
- SMART Boards inevery classroom
- School Band program
- Buddy program which brings together older students to mentor younger students
- Drama program
- After school care available
- Sample of notable school alumni/alumnae:
- Julia Marino ’10, first person to represent Paraguay in the Winter Olympics at the 2014 Sochi Olympics -
- Vicki Movsessian ’90, gold medalist in women's ice hockey at the 1998 Nagano Olympics -
Source: Verified school update
Frequently Asked Questions
How much does St. Agnes School cost?
St. Agnes School's tuition is approximately $8,500 for private students.
What is the acceptance rate of St. Agnes School?
The acceptance rate of St. Agnes School is 100%, which is higher than the national average of 71%.
Who are famous alumni from St. Agnes School?
St. Agnes School famous alumni include: Julia Marino ’10, first person to represent Paraguay in the Winter Olympics at the 2014 Sochi Olympics and Vicki Movsessian ’90, gold medalist in women's ice hockey at the 1998 Nagano Olympics.
What sports does St. Agnes School offer?
St. Agnes School offers 6 interscholastic sports: Alpine Skiing, Basketball, Cheering, Golf, Snowboarding and Tennis.
What is St. Agnes School's ranking?
St. Agnes School ranks among the top 20% of private schools in Massachusetts for: Largest student body, Most AP courses offered, Oldest founding date and Largest endowments.
When is the application deadline for St. Agnes School?
The application deadline for St. Agnes School is rolling (applications are reviewed as they are received year-round).
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The nearest high school to St. Agnes School is Arlington Catholic High School (0.0 miles away)
The nearest elementary school is Lesley Ellis School (0.7 miles away)
The nearest preschool is Arlington Children's Center Inc (0.6 miles away)
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