Private School Review - Established 2003
Arlington Catholic High School
Lesley Ellis School

Arlington Private Schools

For the 2026-27 school year, there are 4 private schools serving 1,136 students in Arlington, MA, 16% of all K-12 students in Arlington, MA are educated in private schools versus public schools (compared to the MA state average of 12%).
The average acceptance rate is 97%, which is higher than the Massachusetts private school average acceptance rate of 73%.
50% of private schools in Arlington, MA are religiously affiliated (most commonly Catholic).

Quick Facts (26-27)

  • # Private Schools: 4
  • # Students Served: 1,136
  • Average Tuition: $15,722
  • % Students on Financial Aid: 24%
  • Acceptance Rate: 97%
  • Average Class Size: 18 students
  • % Students of Color: 20%
  • View Arlington, MA School Trends

Quick Facts (26-27)

  • # Private Schools: 4
  • # Students Served: 1,136
  • Average Tuition: $15,722
  • % Students on Financial Aid: 24%
  • Acceptance Rate: 97%
  • Average Class Size: 18 students
  • % Students of Color: 20%
  • View Arlington, MA School Trends

Top Ranked Arlington Private Schools (2026-27)

Arlington Catholic High School Photo
Arlington Catholic High School
Gr: 9-12 | 456 students
Avg. class size: 21 students
Sports: 16 | Extracurriculars: 9
Catholic
16 Medford St
Arlington, MA 02474
(781) 646-7770
(1)
View Profile
Lesley Ellis School Photo
Lesley Ellis School
Gr: NS-8 | 251 students
Avg. class size: 18 students
Sports: 3 | Extracurriculars: 2
34 Winter Street
Arlington, MA 02474
(781) 641-1346
(5)
View Profile
Map of St. Agnes School
St. Agnes School
Gr: PK-8 | 317 students
Avg. class size: 16 students
Sports: 6 | Extracurriculars: 6
Catholic
39 Medford Street
Arlington, MA 02474
(781) 643-9031
View Profile
Map of Arlington Children's Center Inc
Arlington Children's Center Inc
Gr: NS-K | 112 students
Daycare / Preschool
17 Irving Street
Arlington, MA 02476
(781) 646-9307
View Profile

Arlington, MA Private School Trends

4
Private Schools
1,136
Students
$15,722
Avg. Tuition
18
Avg. Class Size
20%
Students of Color
9:1
Student-Teacher Ratio
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Arlington)
This State (MA)
# Schools
4 Schools
853 Schools
# Students
1,136 Students
126,233 Students
% Students of Color
20%
32%
0.61
0.63
Show more data/charts: racial breakdown
# American Indian Students
2 Students
187 Students
% American Indian Students
<1%
<1%
# Asian Students
43 Students
6,791 Students
% Asian Students
4%
5%
# Hispanic Students
59 Students
7,564 Students
% Hispanic Students
5%
6%
# Black Students
34 Students
8,693 Students
% Black Students
3%
7%
# White Students
566 Students
67,896 Students
% White Students
50%
55%
# Hawaiian Students
1 Student
83 Students
% Hawaiian Students
<1%
<1%
# Others Students
431 Students
33,186 Students
% of Others Students
38%
27%
All Ethnic Groups
Academics
# Teachers
121 Teachers
15,776 Teachers
Average Student-Teacher Ratio
9:1
8:1
% Average Faculty w/Advanced Degree
88%
68%
Average Class Size
18 students
14 students
Average Number of AP Courses
20 courses
16 courses
Tuition & Aid
Average Yearly Tuition Cost
$15,722
$26,639
Average % on Financial Aid
24%
37%
Average Financial Aid Grant
$3,000
$18,788
Admissions & Athletics
Average Acceptance Rate
97%
73%
Average Number of Extracurriculars
6 extracurriculars
13 extracurriculars
Average Number of Sports
8 sports
9 sports

Frequently Asked Questions

What are the top ranked private schools in Arlington, MA?
The top ranked private schools in Arlington, MA include Lesley Ellis School, St. Agnes School, and Arlington Catholic High School.
How many private schools are located in Arlington?
4 private schools are located in Arlington.
What percentage of students in Arlington go to private school?
16% of all K-12 students in Arlington are educated in private schools (compared to the MA state average of 12%).
What percentage of private schools are religiously affiliated in Arlington?
50% of private schools in Arlington are religiously affiliated (most commonly Catholic).

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