Park Street School Photo - Park Street School second graders enjoy their Greek gods and goddesses unit, sharing with classmates fun facts about the god or goddess each was assigned, finishing with a story. Each costume and prop give important clues to the role of each god. Which god or goddess would you have liked to be?

Best Boston Private Elementary Schools (2026)

For the 2026 school year, there are 13 private elementary schools serving 2,815 students in Boston, MA.
The top-ranked private elementary schools in Boston, MA include Cathedral High School, Winsor School, and German International School Boston.
The average tuition cost is $32,221, which is higher than the Massachusetts private elementary school average tuition cost of $24,795.
23% of private elementary schools in Boston, MA are religiously affiliated (most commonly Catholic and Other).

Top-Ranked Boston Private Elementary Schools (2026)

School
Location
Quick Facts
Kingsley Montessori School
Kingsley Montessori School Photo - Elementary students exploring a geography work. A key component of the Kingsley mission is raising empathetic global citizens-students who care deeply for the world and work together to improve it.
Montessori School
(3)
26 Exeter Street
Boston, MA 02116
(617) 226-4927
Gr: NS-6 | 301 students Avg. class size: 17 students Sports: 14 Tuition listed
The Newman School
The Newman School Photo
(4)
247 Marlborough Street
Boston, MA 02116
(617) 267-4530
Gr: 7-12 | 258 students Avg. class size: 12 students Sports: 8 | Extracurrculars: 16 Tuition & acceptance rate listed
The Advent School
The Advent School Photo - The Advent School has many beloved annual traditions, such as the Monarch Butterfly Parade, Spanish Week, the Book Fair, and the Spring Musical.
Alternative School
(1)
15 Brimmer Street
Boston, MA 02108
(617) 742-0520
Gr: NS-6 | 139 students Avg. class size: 13 students Sports: 4 | Extracurrculars: 20 Tuition listed
Cathedral High School
Cathedral High School Photo - Cathedral 7-12 High School students are challenged by a rigorous college preparatory curriculum and enriched through a selection of extracurricular activities, athletics, and support services.
(Catholic)
74 Union Park St
Boston, MA 02118
(617) 542-2325
Gr: 7-12 | 287 students Avg. class size: 15 students Sports: 9 | Extracurrculars: 9 Tuition & acceptance rate listed
1525 Washington St
Boston, MA 02118
(857) 990-6525
Gr: NS-2 | 131 students Avg. class size: 16 students Tuition listed
German International School Boston
German International School Boston Photo
Special Program Emphasis
(5)
57 Holton Street
Boston, MA 02134
(617) 783-2600
Gr: PK-12 | 263 students Avg. class size: 14 students Sports: 8 | Extracurrculars: 7 Tuition & acceptance rate listed
107 Marlborough Street
Boston, MA 02116
(617) 266-8427
Gr: K-6 | 118 students Avg. class size: 18 students Tuition & acceptance rate listed
Winsor School
Winsor School Photo
All-girls
103 Pilgrim Road
Boston, MA 02215
(617) 735-9503
Gr: 5-12 | 471 students Avg. class size: 13 students Sports: 14 | Extracurrculars: 12 Tuition & acceptance rate listed
Boston Children's School
Boston Children's School Photo
Daycare / Preschool
(1)
8 Whittier Place
Boston, MA 02114
(617) 367-6239
Gr: PK-3 | 31 students Avg. class size: 8 students Acceptance rate listed
The Newman School
247 Marlborough St
Boston, MA 02116
(603) 381-2003
Gr: 7-12 | 235 students
Park Street School
Park Street School Photo - Toddler friends learn about habitats with an ant farm. Exploring and learning are are a fun part of our day. This foundation in science will be built upon over multiple years creating important background knowledge necessary for future learning.
(10)
67 Brimmer St
Boston, MA 02108
(617) 523-7577
Gr: NS-6 | 228 students Avg. class size: 13 students Extracurrculars: 18 Tuition listed
St. John School
(Catholic)
9 Moon St
Boston, MA 02113
(617) 227-3143
Gr: PK-8 | 220 students Sports: 6 Tuition listed
Torit Montessori School
Torit Montessori School Photo - Torit Montessori Preschool Math Concepts
Montessori School
(2)
300 Cambridge Street
Boston, MA 02114
(857) 350-4840
Gr: NS-6 | 133 students Tuition listed

Overview

This Town (Boston)
This State (MA)
# Schools
13 Schools

Student Body:

# Students
2,815 Students
91,736 Students
% Average Students of Color
31%
30%

Academics and Faculty:

# Teachers
441 Teachers
11,858 Teachers
Average Student-Teacher Ratio
6:1
8:1
% Average Faculty w/Advanced Degree
74%
68%
Average Class Size
14 students
14 students
Average Number of AP Courses
8 courses
14 courses
Average SAT score
1351
(Out of 1600)
1274
Average ACT score
31
(Out of 36)
29

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$32,221
$24,795
Average Summer Program Cost
$805
$3,048
Average % on Financial Aid
30%
36%
Average Financial Aid Grant
$22,301
$12,790
Average Acceptance Rate
62%
73%
Average Endowment Size
$7 million
$52.27 million

Students by Ethnicity:

0.69
0.61
# American Indian Students
6 Students
119 Students
% American Indian Students
n/a
n/a
# Asian Students
140 Students
4,948 Students
% Asian Students
5%
5%
# Hispanic Students
141 Students
5,992 Students
% Hispanic Students
5%
7%
# Black Students
386 Students
7,419 Students
% Black Students
15%
8%
# White Students
1,187 Students
54,151 Students
% White Students
44%
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
843 Students
20,204 Students
% of Others Students
31%
22%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
14 extracurriculars
11 extracurriculars
Average Number of Sports
9 sports
8 sports

Frequently Asked Questions

What are the top-ranked private elementary schools in Boston, MA?
The top-ranked private elementary schools in Boston, MA include Cathedral High School, Winsor School, and German International School Boston.
How many private elementary schools are located in Boston?
13 private elementary schools are located in Boston.
How much do private elementary schools cost in Boston?
The average tuition cost is $32,221, which is higher than the Massachusetts private school average tuition cost of $24,795.
How diverse are private elementary schools in Boston?
Boston private elementary schools are approximately 31% minority students, which is higher than the Massachusetts private school average of 30%.
What percentage of private elementary schools are religiously affiliated in Boston?
23% of private elementary schools in Boston are religiously affiliated (most commonly Catholic and Other).
Which private elementary schools in Boston are often viewed compared to one another?

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