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Arlington Catholic High School

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Arlington Catholic High School/Saint Agnes School is the only school in the area that offers students a continuous Pre-K thorugh Grade 12 Catholic school experience. Our school educates and challenges young men and women academically, spiritually, and socially in a caring, safe, supportive environment, while preparing young adults to be life-long learners and contributors, committed to a just society.

Quick Facts (2025-26)

  • Top Ranked MA School
  • Grades: 9-12
  • Enrollment: 456 students
  • Yearly Tuition: $11,900
  • Acceptance rate: 100%
  • Average class size: 21 students
  • Application Deadline: Jan. 15 / rolling
  • Source: Verified school update

Top Rankings

Arlington Catholic High School ranks among the top 20% of private schools in Massachusetts for:

Category
Attribute
Sports offered

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Year Founded
1964
Colors
Blue, Gold
Summer School Offered
Yes
Summer Program Details
School Calendar

Student Body

Total Students
456 students
Student Body Type
Co-ed
% Students of Color
21%
State avg.: 30%
Students by Grade
Arlington Catholic High School Student By Grade

Academics and Faculty

Total Classroom Teachers
37 teachers
Student-Teacher Ratio
12:1
National avg.: 13:1
Average Class Size
21 students
Number of AP Courses
16 courses
List of Courses Offered
Classroom Dress Code
Formal

Tuition and Acceptance Rate

Admission Deadline
Jan. 15 / rolling
Yearly Tuition Cost
% on Financial Aid
33%
Acceptance Rate
100%
National avg.: 81%
Admissions Director
Steve Barrett
Admissions Associate
Beth Flynn
Application URL

Sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
9 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
ACDC (Arlington Catholic Drama Club)Chess Team
Humanitarian ClubMath Team
Model UNPhotography Club
Ping Pong ClubRobotics Club
World Language Club

School Notes

  • School Motto: We Are Catholic.
  • Students at Arlington Catholic/Saint Agnes School thrive for many reasons. Small class size and individual attention from faculty members provide the backbone for a highly productive academic envirnoment.
  • Learning is not only in the classroom, but also occurs through the many extra curricular activities offered. A strong high school athletic program with over 40 athletic teams, which are open to students in grades 7-12, as well as a variety of clubs and activities and after school programs, offer students the opportunity to expand thier knowledge while learning to become leaders in today's society.
Source: Verified school update

Frequently Asked Questions

How much does Arlington Catholic High School cost?
Arlington Catholic High School's tuition is approximately $11,900 for private students.
What is the acceptance rate of Arlington Catholic High School?
The acceptance rate of Arlington Catholic High School is 100%, which is higher than the national average of 71%.
Does Arlington Catholic High School offer a summer program?
Yes, Arlington Catholic High School offers a summer program. Visit their summer school page for more information.
What sports does Arlington Catholic High School offer?
Arlington Catholic High School offers 16 interscholastic sports: Baseball, Basketball, Cheering, Cross Country, Dance, Football, Golf, Ice Hockey, Lacrosse, Soccer, Softball, Swimming, Tennis, Track and Field, Volleyball and Winter Track. Arlington Catholic High School is ranked as one of the top 20% of private schools in Massachusetts for most sports offered.
What is Arlington Catholic High School's ranking?
Arlington Catholic High School ranks among the top 20% of private schools in Massachusetts for: Largest student body and Most sports offered.
When is the application deadline for Arlington Catholic High School?
The application deadline for Arlington Catholic High School is Jan. 15 / rolling (applications are due on Jan. 15 but additional applications are reviewed year-round as space permits ).

School Reviews

5  
I''m so glad my daughter choose to go to AC! This school and teacher's are fantastic. It is well run and the teacher's are enthusiastic. I knew we made the right decision after the first "Back-to-School" night. You won't have any regrets about this school!
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Quick Facts (2025-26)

  • Top Ranked MA School
  • Grades: 9-12
  • Enrollment: 456 students
  • Yearly Tuition: $11,900
  • Acceptance rate: 100%
  • Average class size: 21 students
  • Application Deadline: Jan. 15 / rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in Middlesex County, MA is $28,843 for elementary schools and $49,563 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Middlesex County, MA is 60% (read more about average acceptance rates across the country).

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