For the 2026 school year, there are 3 private schools serving 906 students in Watertown, CT (there are 2 public schools, serving 995 public students). 48% of all K-12 students in Watertown, CT are educated in private schools (compared to the CT state average of 12%).
The top-ranked private school in Watertown, CT is The Taft School.
The average acceptance rate is 19%, which is lower than the Connecticut private school average acceptance rate of 71%.
67% of private schools in Watertown, CT are religiously affiliated (most commonly Catholic).
Top-Ranked Watertown Private Schools (2026)
School
Location
Quick Facts
110 Woodbury Road
Watertown, CT 06795
(860) 945-7777
Watertown, CT 06795
(860) 945-7777
Gr: 9-12 | 580 students Avg. class size: 11 students Sports: 17 Tuition & acceptance rate listed
St. John The Evangelist School
(Catholic)
760 Main St
Watertown, CT 06795
(860) 274-9208
Watertown, CT 06795
(860) 274-9208
Gr: PK-8 | 166 students
Overview
This Town (Watertown)
This State (CT)
# Schools
3 Schools
Student Body:
# Students
906 Students
64,094 Students
% Average Students of Color
21%
31%
Academics and Faculty:
# Teachers
157 Teachers
7,932 Teachers
Average Student-Teacher Ratio
6:1
8:1
% Average Faculty w/Advanced Degree
74%
70%
Average Class Size
11 students
14 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$72,000
$28,501
Average Summer Program Cost
$9,100
$4,239
Average % on Financial Aid
35%
36%
Average Financial Aid Grant
$58,250
$17,146
Average Acceptance Rate
19%
71%
Average Endowment Size
$282.9 million
$58.54 million
Students by Ethnicity:
Diversity Score
0.47
0.63
# American Indian Students
n/a
716 Students
% American Indian Students
n/a
1%
# Asian Students
72 Students
2,908 Students
% Asian Students
8%
5%
# Hispanic Students
39 Students
5,562 Students
% Hispanic Students
4%
9%
# Black Students
58 Students
4,891 Students
% Black Students
6%
8%
# White Students
651 Students
34,906 Students
% White Students
72%
56%
# Hawaiian Students
n/a
63 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
86 Students
12,753 Students
% of Others Students
10%
21%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Sports
17 sports
10 sports
Frequently Asked Questions
What are the top-ranked private schools in Watertown, CT?
The top-ranked private schools in Watertown, CT is The Taft School.
How many private schools are located in Watertown?
3 private schools are located in Watertown.
What percentage of students in Watertown go to private school?
48% of all K-12 students in Watertown are educated in private schools (compared to the CT state average of 12%).
What percentage of private schools are religiously affiliated in Watertown?
67% of private schools in Watertown are religiously affiliated (most commonly Catholic).
Recent Articles
How to Ask About Staff Screening Without Apologizing
Parents should feel comfortable asking how private schools screen employees. Learn which questions matter, what answers to expect, and why transparency about hiring and student safety is a hallmark of a well-managed school.
What Facility Safety Tells You About School Oversight
A school's facilities reveal far more than appearance. Learn how building maintenance, emergency preparedness, and campus safety practices can help parents evaluate school leadership, oversight, and long-term commitment to student well-being.
Is the School Legally a School? A Parent Verification Checklist
Before enrolling your child in a private school, learn how to verify that it is legally operating, properly accredited, and authorized to issue recognized diplomas with this practical parent checklist for making a confident school choice.