For the 2025 school year, there are 4 public elementary schools serving 2,130 students in Groton, CT.
The top ranked public elementary schools in Groton, CT are Thames River Magnet School, Charles Barnum Magnet School and Catherine Kolnaski Magnet School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Groton, CT public elementary schools have an average math proficiency score of 37% (versus the Connecticut public elementary school average of 42%), and reading proficiency score of 53% (versus the 50% statewide average). Elementary schools in Groton have an average ranking of 3/10, which is in the bottom 50% of Connecticut public elementary schools.
Minority enrollment is 55% of the student body (majority Hispanic), which is equal to the Connecticut public elementary school average of 55% (majority Hispanic).
Best Public Elementary Schools in Groton, CT (2025)
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.
Catherine Kolnaski Magnet School
Magnet School
(Math: 40-44% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
500 Poquonnock Rd.
Groton, CT 06340
(860) 449-5608
Groton, CT 06340
(860) 449-5608
Gr: K-5 | 369 students Student-teacher ratio: 11:1 Minority enrollment: 62%
Rank: #44.
Groton Middle School
(Math: 32% | Reading: 52%)
Rank:
Rank:
5/
Bottom 50%10
35 Groton Long Point Road
Groton, CT 06340
(860) 446-4200
Groton, CT 06340
(860) 446-4200
Gr: 6-8 | 898 students Student-teacher ratio: 11:1 Minority enrollment: 54%
Groton, Connecticut Public Schools (Closed)
School
Location
Quick Facts
Avery Point Transition Program High School (Closed 2023)
Alternative School
1084 Shennecossett Road
Groton, CT 06340
(860) 405-9017
Groton, CT 06340
(860) 405-9017
Gr: 12 | 6 students Student-teacher ratio: 6:1
1 Harry Day Drive
Groton, CT 06340
(860) 449-5636
Groton, CT 06340
(860) 449-5636
Gr: PK-5 | 316 students Student-teacher ratio: 11:1 Minority enrollment: 69%
120 West St.
Groton, CT 06340
(860) 449-5645
Groton, CT 06340
(860) 449-5645
Gr: PK-3 | 189 students Student-teacher ratio: 19:1 Minority enrollment: 40%
130 Shennecossett Rd.
Groton, CT 06340
(860) 449-5650
Groton, CT 06340
(860) 449-5650
Gr: PK-6 | 483 students Student-teacher ratio: 16:1 Minority enrollment: 58%
244 Monument St.
Groton, CT 06340
(860) 449-5646
Groton, CT 06340
(860) 449-5646
Gr: 3-6 | 132 students Student-teacher ratio: 15:1 Minority enrollment: 37%
New Beginnings Alternative Program High School (Closed 2023)
Alternative School
101 Groton Long Point Rd Fi
Groton, CT 06340
(860) 449-7200
Groton, CT 06340
(860) 449-7200
Gr: 9-12 | 22 students
42 Smith Ln.
Groton, CT 06340
(860) 572-5872
Groton, CT 06340
(860) 572-5872
Gr: PK-6 | 387 students Student-teacher ratio: 18:1 Minority enrollment: 15%
380 Pleasant Valley Rd. Sout
Groton, CT 06340
(860) 449-5600
Groton, CT 06340
(860) 449-5600
Gr: K-5 | 301 students Student-teacher ratio: 13:1 Minority enrollment: 43%
55 Seely School Drive
Groton, CT 06340
(860) 449-5660
Groton, CT 06340
(860) 449-5660
Gr: PK-5 | 217 students Student-teacher ratio: 12:1 Minority enrollment: 21%
Frequently Asked Questions
What are the top ranked public elementary schools in Groton, CT?
The top ranked public elementary schools in Groton, CT include Thames River Magnet School, Charles Barnum Magnet School and Catherine Kolnaski Magnet School.
How many public elementary schools are located in Groton?
4 public elementary schools are located in Groton.
What is the racial composition of students in Groton?
Groton public elementary schools minority enrollment is 55% of the student body (majority Hispanic), which is equal to the Connecticut public elementary schools average of 55% (majority Hispanic).
Which public elementary schools in Groton are often viewed compared to one another?
Popular comparisons of public elementary schools in Groton include: Charles Barnum Magnet School vs. Thames River Magnet School, Thames River Magnet School vs. Charles Barnum Magnet School
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