For the 2025 school year, there are 7 public schools serving 4,094 students in Groton, CT (there are 1 private school, serving 166 private students). 96% of all K-12 students in Groton, CT are educated in public schools (compared to the CT state average of 88%).
The top ranked public schools in Groton, CT are Marine Science Magnet High School, Charles Barnum Magnet School and Robert E. Fitch High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Groton, CT public schools have an average math proficiency score of 36% (versus the Connecticut public school average of 40%), and reading proficiency score of 53% (versus the 51% statewide average). Schools in Groton have an average ranking of 3/10, which is in the bottom 50% of Connecticut public schools.
Minority enrollment is 55% of the student body (majority Hispanic), which is more than the Connecticut public school average of 54% (majority Hispanic).
Best Public Schools in Groton, CT (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Marine Science Magnet High School
Magnet School
(Math: 50-59% | Reading: 80-89%)
Rank:
Rank:
9/
Top 20%10
130 Shennecossett Road
Groton, CT 06340
(860) 434-4800
Groton, CT 06340
(860) 434-4800
Grades: 9-12
| 271 students
Rank: #22.
Charles Barnum Magnet School
Magnet School
(Math: 45-49% | 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
Grades: PK-5
| 332 students
Rank: #33.
Robert E. Fitch High School
(Math: 30-34% | Reading: 60-64%)
Rank:
Rank:
6/
Top 50%10
101 Groton Long Point Road
Groton, CT 06340
(860) 449-7200
Groton, CT 06340
(860) 449-7200
Grades: 9-12
| 1,019 students
Rank: #4 - 54. - 5.
Catherine Kolnaski Magnet School
Magnet School
(Math: 40-44% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
500 Poquonnock Rd.
Groton, CT 06340
(860) 449-5608
Groton, CT 06340
(860) 449-5608
Grades: K-5
| 369 students
Rank: #4 - 54. - 5.
Thames River Magnet School
Magnet School
(Math: 40-44% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
250 Brandegee Avenue
Groton, CT 06340
(860) 980-8230
Groton, CT 06340
(860) 980-8230
Grades: PK-5
| 531 students
Rank: #66.
Groton Middle School
(Math: 36% | 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
Grades: 6-8
| 898 students
Rank: #77.
Ella T. Grasso Technical High School
Vocational School
(Math: 10-14% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
189 Fort Hill Rd.
Groton, CT 06340
(860) 448-0220
Groton, CT 06340
(860) 448-0220
Grades: 9-12
| 674 students
Groton, Connecticut Public Schools (Closed)
School
Location
Grades
Students
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
Grades: 12
| 6 students
1 Harry Day Drive
Groton, CT 06340
(860) 449-5636
Groton, CT 06340
(860) 449-5636
Grades: PK-5
| 316 students
120 West St.
Groton, CT 06340
(860) 449-5645
Groton, CT 06340
(860) 449-5645
Grades: PK-3
| 189 students
130 Shennecossett Rd.
Groton, CT 06340
(860) 449-5650
Groton, CT 06340
(860) 449-5650
Grades: PK-6
| 483 students
61 Fort Hill Rd
Groton, CT 06340
(860) 449-5620
Groton, CT 06340
(860) 449-5620
Grades: n/a
| n/a students
244 Monument St.
Groton, CT 06340
(860) 449-5646
Groton, CT 06340
(860) 449-5646
Grades: 3-6
| 132 students
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
Grades: 9-12
| 22 students
380 Pleasant Valley Rd. Sout
Groton, CT 06340
(860) 449-5600
Groton, CT 06340
(860) 449-5600
Grades: K-5
| 301 students
250 Brandegee Avenue
Groton, CT 06340
(860) 449-5630
Groton, CT 06340
(860) 449-5630
Grades: 6-8
| n/a students
55 Seely School Drive
Groton, CT 06340
(860) 449-5660
Groton, CT 06340
(860) 449-5660
Grades: PK-5
| 217 students
Frequently Asked Questions
What are the top ranked public schools in Groton, CT?
The top ranked public schools in Groton, CT include Marine Science Magnet High School, Charles Barnum Magnet School and Robert E. Fitch High School.
How many public schools are located in Groton?
7 public schools are located in Groton.
What percentage of students in Groton go to public school?
96% of all K-12 students in Groton are educated in public schools (compared to the CT state average of 88%).
What is the racial composition of students in Groton?
Groton public schools minority enrollment is 55% of the student body (majority Hispanic), which is more than the Connecticut public schools average of 54% (majority Hispanic).
Which public schools in Groton are often viewed compared to one another?
Popular comparisons of public 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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