For the 2026 school year, there are 2 private elementary schools serving 568 students in Arlington, MA.
The top-ranked private elementary schools in Arlington, MA include St. Agnes School and Lesley Ellis School.
The average acceptance rate is 95%, which is higher than the Massachusetts private elementary school average acceptance rate of 73%.
50% of private elementary schools in Arlington, MA are religiously affiliated (most commonly Catholic).
Top-Ranked Arlington Private Elementary Schools (2026)
School
Location
Quick Facts
34 Winter Street
Arlington, MA 02474
(781) 641-1346
Arlington, MA 02474
(781) 641-1346
Gr: NS-8 | 251 students Avg. class size: 18 students Sports: 3 | Extracurrculars: 2 Tuition & acceptance rate listed
St. Agnes School
(Catholic)
39 Medford Street
Arlington, MA 02474
(781) 643-9031
Arlington, MA 02474
(781) 643-9031
Gr: PK-8 | 317 students Avg. class size: 16 students Sports: 6 | Extracurrculars: 6 Tuition & acceptance rate listed
Overview
This Town (Arlington)
This State (MA)
# Schools
2 Schools
Student Body:
# Students
568 Students
91,736 Students
% Average Students of Color
19%
30%
Academics and Faculty:
# Teachers
64 Teachers
11,858 Teachers
Average Student-Teacher Ratio
9:1
8:1
% Average Faculty w/Advanced Degree
88%
68%
Average Class Size
17 students
14 students
Average Number of AP Courses
23 courses
14 courses
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$17,633
$24,795
Average % on Financial Aid
20%
36%
Average Financial Aid Grant
$3,000
$12,790
Average Acceptance Rate
95%
73%
Average Endowment Size
$100 million
$52.27 million
Students by Ethnicity:
Diversity Score
0.59
0.61
# American Indian Students
n/a
119 Students
% American Indian Students
n/a
n/a
# Asian Students
11 Students
4,948 Students
% Asian Students
2%
5%
# Hispanic Students
32 Students
5,992 Students
% Hispanic Students
6%
7%
# Black Students
11 Students
7,419 Students
% Black Students
2%
8%
# White Students
247 Students
54,151 Students
% White Students
43%
58%
# Hawaiian Students
1 Student
61 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
266 Students
20,204 Students
% of Others Students
47%
22%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
4 extracurriculars
11 extracurriculars
Average Number of Sports
5 sports
8 sports
Frequently Asked Questions
What are the top-ranked private elementary schools in Arlington, MA?
The top-ranked private elementary schools in Arlington, MA include St. Agnes School and Lesley Ellis School.
How many private elementary schools are located in Arlington?
2 private elementary schools are located in Arlington.
What percentage of private elementary schools are religiously affiliated in Arlington?
50% of private elementary schools in Arlington are religiously affiliated (most commonly Catholic).
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