Private School Review - Established 2003

Ansonia Private Schools

For the 2026-27 school year, there are 2 private schools serving 241 students in Ansonia, CT, 8% of all K-12 students in Ansonia, CT are educated in private schools versus public schools (compared to the CT state average of 12%).
50% of private schools in Ansonia, CT are religiously affiliated (most commonly Catholic).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Ansonia Private Schools (2026-27)

Map of Assumption School
Assumption School
Gr: PK-8 | 191 students
Catholic
51 N Cliff St
Ansonia, CT 06401
(203) 734-0855
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Map of Julia Day Nursery & Kindergart
Julia Day Nursery & Kindergart
Gr: PK-K | 50 students
Avg. class size: 20 students
Daycare / Preschool
76 Central Street
Ansonia, CT 06401
(203) 736-2554
View Profile
[+] Show Closed Private Schools in Ansonia, Connecticut

Ansonia, Connecticut Private Schools (Closed)

Map of St. Joseph School
St. Joseph School
Gr: PK-8 | 141 students
Catholic
36 Jewett St
Ansonia, CT 06401
(203) 734-3821
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Ansonia, CT Private School Trends (10-Year)

2
Private Schools
-33.3% (-1 school) 10-yr
241
Students
-14.5% (-41 students) 10-yr
20
Avg. Class Size
16%
Students of Color
-11.1% (-2.0 pp) 10-yr
13:1
Student-Teacher Ratio
-7.1% (-1.0) 10-yr
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 (Ansonia)
This State (CT)
# Schools
2 Schools
419 Schools
# Students
241 Students
64,552 Students

Trends in the Average Number of Students Per Private School

YearAnsonia, CT AvgConnecticut (CT)National
2025121165179
2024121161172
2023118163174
2022129168185
2021129166180
2020129163171
2019125167175
2018125165172
2017141175180
2016141172178
2015141167167
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% Students of Color
16%
31%

Percentage of Students of Color Trends (2015-2025)

YearAnsonia, CT AvgConnecticut (CT)National
202516%31%34%
202416%31%34%
202320%30%33%
202219%28%33%
202118%28%32%
202018%28%32%
201938%25%31%
201838%25%31%
201718%25%32%
201618%25%32%
201518%27%32%
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0.54
0.63

Diversity Score Trends

YearAnsonia, CT AvgConnecticut (CT)National
20250.540.630.65
20240.540.630.65
20230.550.620.65
20220.580.590.64
20210.580.590.64
20200.580.590.64
20190.440.560.63
20180.440.560.63
20170.490.530.61
20160.490.540.61
20150.490.540.61
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Show more data/charts: racial breakdown
# American Indian Students
n/a
716 Students
% American Indian Students
n/a
1%
# Asian Students
n/a
2,908 Students
% Asian Students
n/a
5%

Asian Student Percentage Trends

YearAnsonia, CT AvgConnecticut (CT)National
20234%5%5%
20224%5%4%
20214%5%4%
20204%5%4%
20173%4%4%
20163%4%4%
20153%4%4%
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# Hispanic Students
1 Student
5,562 Students
% Hispanic Students
n/a
9%

Hispanic Student Percentage Trends

YearAnsonia, CT AvgConnecticut (CT)National
20235%8%9%
20223%7%8%
20213%7%9%
20203%8%9%
20172%5%8%
20162%6%8%
20152%6%8%
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# Black Students
11 Students
4,891 Students
% Black Students
5%
8%

Black Student Percentage Trends

YearAnsonia, CT AvgConnecticut (CT)National
20255%8%7%
20245%8%7%
20233%7%8%
20223%8%7%
20213%8%7%
20203%8%8%
20192%7%7%
20182%7%7%
20173%7%7%
20163%7%7%
20153%8%8%
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# White Students
146 Students
34,906 Students
% White Students
61%
56%

White Student Percentage Trends

YearAnsonia, CT AvgConnecticut (CT)National
202561%56%52%
202461%56%52%
202362%58%52%
202255%61%54%
202155%60%54%
202055%60%54%
201968%64%56%
201868%64%56%
201767%66%58%
201667%65%58%
201567%65%58%
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# Hawaiian Students
8 Students
63 Students
% Hawaiian Students
3%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
75 Students
12,846 Students
% of Others Students
31%
21%

Other Races Student Percentage Trends

YearAnsonia, CT AvgConnecticut (CT)National
202531%21%26%
202431%21%26%
202326%20%25%
202235%19%25%
202135%20%25%
202035%19%24%
201930%18%24%
201830%18%23%
201725%18%22%
201625%18%22%
201525%17%21%
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All Ethnic Groups
Academics
# Teachers
18 Teachers
7,894 Teachers
Average Student-Teacher Ratio
13:1
8:1

Student-Teacher Ratio Trends (2015-2025)

YearAnsonia, CT AvgConnecticut (CT)National
202513:18:111:1
202413:18:111:1
202312:18:111:1
202212:18:111:1
202112:18:111:1
202012:18:112:1
201913:18:112:1
201813:18:112:1
201714:19:112:1
201614:19:112:1
201514:19:112:1
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Average Class Size
20 students
14 students

Class Size Trends (2015-2025)

YearAnsonia, CT AvgConnecticut (CT)National
2025201415
2024201315
2023201315
2022201315
2021201315
2020201415
2019201415
2018201415
2017201415
2016201415
2015201315
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Note: 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. See our Terms of Service.

Tuition & Aid
Admissions & Athletics

Frequently Asked Questions

What are the top ranked private schools in Ansonia, CT?
The top ranked private schools in Ansonia, CT include Assumption School and Julia Day Nursery & Kindergart.
How many private schools are located in Ansonia?
2 private schools are located in Ansonia.
What percentage of students in Ansonia go to private school?
8% of all K-12 students in Ansonia are educated in private schools (compared to the CT state average of 12%).
What percentage of private schools are religiously affiliated in Ansonia?
50% of private schools in Ansonia are religiously affiliated (most commonly Catholic).

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