Brunswick School Photo - Middle School Campus on King Street

Best Greenwich Private High Schools (2026)

For the 2026 school year, there are 6 private high schools serving 5,244 students in Greenwich, CT.
The top-ranked private high schools in Greenwich, CT include Greenwich Academy, Greenwich Country Day School, and Brunswick School.
The average acceptance rate is 32%, which is lower than the Connecticut private high school average acceptance rate of 65%.
17% of private high schools in Greenwich, CT are religiously affiliated (most commonly Catholic).

Top-Ranked Greenwich Private High Schools (2026)

School
Location
Quick Facts
Brunswick School
Brunswick School Photo - Middle School Campus on King Street
All-boys
100 Maher Avenue
Greenwich, CT 06830
(203) 625-5800
Gr: PK-12 | 1,046 student Avg. class size: 11 students Sports: 20 | Extracurrculars: 14 Tuition & acceptance rate listed
Greenwich Academy
All-girls
(2)
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8900
Gr: PK-12 | 830 students
401 Old Church Rd.
Greenwich, CT 06830
(203) 865-5600
Gr: PK-12 | 1,345 student Avg. class size: 15 students Acceptance rate listed
401 Old Church Rd
Greenwich, CT 06830
(203) 863-5600
Gr: NS-12 | 1,251 student Tuition & acceptance rate listed
Sacred Heart Greenwich
Sacred Heart Greenwich Photo
All-girls (Catholic)
(7)
1177 King Street
Greenwich, CT 06831
(609) 261-2273
Gr: PK-12 | 680 students Avg. class size: 13 students Sports: 17 | Extracurrculars: 17 Tuition & acceptance rate listed
The Greenwich Japanese School
Special Program Emphasis
15 Ridgeway
Greenwich, CT 06831
(203) 629-9039
Gr: 1-9 | 92 students Tuition listed
[+] Show Closed Private Schools in Greenwich, Connecticut

Greenwich, Connecticut Private Schools (Closed)

School
Location
Quick Facts
Carmel Academy (Closed 2024)
Special Program Emphasis (Jewish)
270 Lake Ave
Greenwich, CT 06830
(203) 863-9663
Gr: NS-8 | 217 students

Overview

This Town (Greenwich)
This State (CT)
# Schools
6 Schools

Student Body:

# Students
5,244 Students
36,277 Students
% Average Students of Color
28%
30%

Academics and Faculty:

# Teachers
683 Teachers
5,444 Teachers
Average Student-Teacher Ratio
8:1
7:1
% Average Faculty w/Advanced Degree
80%
73%
Average Class Size
13 students
12 students
Average Number of AP Courses
23 courses
17 courses

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$36,047
$39,344
Average % on Financial Aid
19%
38%
Average Financial Aid Grant
$26,000
$24,476
Average Acceptance Rate
32%
65%
Average Endowment Size
$83.67 million
$68.2 million

Students by Ethnicity:

0.64
0.57
# American Indian Students
588 Students
645 Students
% American Indian Students
11%
2%
# Asian Students
304 Students
2,248 Students
% Asian Students
6%
6%
# Hispanic Students
235 Students
2,914 Students
% Hispanic Students
4%
8%
# Black Students
159 Students
2,975 Students
% Black Students
3%
9%
# White Students
2,942 Students
22,237 Students
% White Students
56%
64%
# Hawaiian Students
1 Student
29 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
1,033 Students
3,669 Students
% of Others Students
20%
11%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
16 extracurriculars
18 extracurriculars
Average Number of Sports
19 sports
13 sports

Frequently Asked Questions

What are the top-ranked private high schools in Greenwich, CT?
The top-ranked private high schools in Greenwich, CT include Greenwich Academy, Greenwich Country Day School, and Brunswick School.
How many private high schools are located in Greenwich?
6 private high schools are located in Greenwich.
How diverse are private high schools in Greenwich?
Greenwich private high schools are approximately 28% minority students, which is lower than the Connecticut private school average of 30%.
What percentage of private high schools are religiously affiliated in Greenwich?
17% of private high schools in Greenwich are religiously affiliated (most commonly Catholic).
Which private high schools in Greenwich are often viewed compared to one another?
Popular comparisons of private high schools in Greenwich include: Sacred Heart Greenwich vs. Greenwich Academy, Greenwich Academy vs. Sacred Heart Greenwich

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