Private School Review - Established 2003

Derby Private Schools (2026-27)

For the 2026-27 school year, there is 1 private school serving 162 students in Derby, CT, 11% of all K-12 students in Derby, CT are educated in private schools versus public schools (compared to the CT state average of 12%).
100% of private schools in Derby, CT are religiously affiliated (most commonly Catholic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Private Schools in Derby, CT (2026-27)

Map of St. Mary & St. Michael School
St. Mary & St. Michael School
Gr: PK-8 | 162 students
Catholic
14 Seymour Ave
Derby, CT 06418
(203) 735-6471
(1)
View Profile

Derby, CT Private School Trends (10-Year)

1
Private Schools
162
Students
+23.7% (+31 students) 10-yr
61%
Students of Color
+165.2% (+38.0 pp) 10-yr
15:1
Student-Teacher Ratio
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 (Derby)
This State (CT)
# Schools
1 School
419 Schools
# Students
162 Students
64,529 Students

Trends in the Average Number of Students Per Private School

YearDerby, CT AvgConnecticut (CT)National
2025162165179
2024162161172
2023153163174
2022153168185
2021153166180
2020153163171
2019159167175
2018159165172
2017131175180
2016131172178
2015131167167
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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.

% Students of Color
61%
31%

Percentage of Students of Color Trends (2015-2025)

YearDerby, CT AvgConnecticut (CT)National
202561%31%34%
202461%31%34%
202330%30%33%
202230%28%33%
202130%28%32%
202030%28%32%
201915%25%31%
201815%25%31%
201723%25%32%
201623%25%32%
201523%27%32%
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0.74
0.63

Diversity Score Trends

YearDerby, CT AvgConnecticut (CT)National
20250.740.630.65
20240.740.630.65
20230.640.620.65
20220.640.590.64
20210.640.590.64
20200.640.590.64
20190.550.560.63
20180.550.560.63
20170.580.530.61
20160.580.540.61
20150.580.540.61
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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
5 Students
2,908 Students
% Asian Students
3%
5%

Asian Student Percentage Trends

YearDerby, CT AvgConnecticut (CT)National
20253%5%5%
20243%5%5%
20234%5%5%
20224%5%4%
20214%5%4%
20204%5%4%
20193%5%4%
20183%5%4%
20173%4%4%
20163%4%4%
20153%4%4%
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# Hispanic Students
52 Students
5,562 Students
% Hispanic Students
32%
9%

Hispanic Student Percentage Trends

YearDerby, CT AvgConnecticut (CT)National
202532%9%9%
202432%9%9%
202315%8%9%
202215%7%8%
202115%7%9%
202015%8%9%
20194%6%8%
20184%6%8%
20175%5%8%
20165%6%8%
20155%6%8%
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# Black Students
12 Students
4,891 Students
% Black Students
7%
8%

Black Student Percentage Trends

YearDerby, CT AvgConnecticut (CT)National
20257%8%7%
20247%8%7%
20233%7%8%
20223%8%7%
20213%8%7%
20203%8%8%
20193%7%7%
20183%7%7%
20172%7%7%
20162%7%7%
20152%8%8%
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# White Students
44 Students
34,906 Students
% White Students
27%
56%

White Student Percentage Trends

YearDerby, CT AvgConnecticut (CT)National
202527%56%52%
202427%56%52%
202352%58%52%
202252%61%54%
202152%60%54%
202052%60%54%
201960%64%56%
201860%64%56%
201755%66%58%
201655%65%58%
201555%65%58%
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# Hawaiian Students
1 Student
63 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
48 Students
12,827 Students
% of Others Students
30%
21%

Other Races Student Percentage Trends

YearDerby, CT AvgConnecticut (CT)National
202530%21%26%
202430%21%26%
202325%20%25%
202225%19%25%
202125%20%25%
202025%19%24%
201929%18%24%
201829%18%23%
201735%18%22%
201635%18%22%
201535%17%21%
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All Ethnic Groups
Academics
# Teachers
11 Teachers
7,884 Teachers
Average Student-Teacher Ratio
15:1
8:1

Student-Teacher Ratio Trends (2015-2025)

YearDerby, CT AvgConnecticut (CT)National
202515:18:111:1
202415:18:111:1
202314:18:111:1
202214:18:111:1
202114:18:111:1
202014:18:112:1
201914:18:112:1
201814:18:112:1
201715:19:112:1
201615:19:112:1
201515:19:112:1
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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

How many private schools are located in Derby, CT?
1 private schools are located in Derby, CT.
What percentage of students in Derby go to private school?
11% of all K-12 students in Derby are educated in private schools (compared to the CT state average of 12%).
What percentage of private schools are religiously affiliated in Derby?
100% of private schools in Derby are religiously affiliated (most commonly Catholic).

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