Top Rankings
Groton School District ranks among the top 20% of public school district in Connecticut for:
Category
Attribute
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025-26 school year, there are 3 public preschools serving 1,374 students in Groton School District. This district's average pre testing ranking is 3/10, which is in the bottom 50% of public pre schools in Connecticut.
Public Preschools in Groton School District have an average math proficiency score of 45% (versus the Connecticut public pre school average of 36%), and reading proficiency score of 49% (versus the 42% statewide average).
Minority enrollment is 55% of the student body (majority Hispanic), which is less than the Connecticut public preschool average of 59% (majority Hispanic).
Overview
This School District
This State (CT)
# Schools
7 Schools
345 Schools
# Students
4,052 Students
132,954 Students
# Teachers
351 Teachers
10,546 Teachers
Student-Teacher Ratio
12:1
12:1
Student By Grade
District Rank
Groton School District, which is ranked within the bottom 50% of all 197 school districts in Connecticut (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 85% has increased from 84% over five school years.
Overall District Rank
#121 out of 198 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
40%
41%
Reading/Language Arts Test Scores (% Proficient)
54%
50%
Science Test Scores (% Proficient)
47%
47%
Graduation Rate
85%
89%
Students by Ethnicity:
Diversity Score
0.70
0.70
% American Indian
1%
n/a
% Asian
6%
5%
% Hispanic
26%
34%
% Black
7%
15%
% White
46%
41%
% Hawaiian
n/a
n/a
% Two or more races
14%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $34,550 is higher than the state median of $26,157. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $33,134 is higher than the state median of $25,225. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$140 MM
$12,920 MM
Spending
$134 MM
$12,459 MM
Revenue / Student
$34,550
$26,157
Spending / Student
$33,134
$25,225
Best Groton School District Public Preschools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Thames River Magnet School
Magnet School
(Math: 50-54% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
250 Brandegee Avenue
Groton, CT 06340
(860) 980-8230
Groton, CT 06340
(860) 980-8230
Gr: PK-5 | 531 students Student-teacher ratio: 12:1 Minority enrollment: 56%
Rank: #22.
Charles Barnum Magnet School
Magnet School
(Math: 40-44% | Reading: 55-59%)
Rank:
Rank:
6/
Top 50%10
68 Briar Hill Rd.
Groton, CT 06340
(860) 449-5640
Groton, CT 06340
(860) 449-5640
Gr: PK-5 | 332 students Student-teacher ratio: 11:1 Minority enrollment: 49%
Rank: #33.
Mystic River Magnet School
Magnet School
(Math: 40-44% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
160 Fish Town Rd
Mystic, CT 06355
(860) 980-8300
Mystic, CT 06355
(860) 980-8300
Gr: PK-5 | 511 students Student-teacher ratio: 12:1 Minority enrollment: 57%
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