For the 2026 school year, there are 3 public high schools serving 1,900 students in Groton, CT.
The top-ranked public high schools in Groton, CT are Marine Science Magnet High School, Robert E. Fitch High School and Ella T. Grasso Technical High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Groton, CT public high schools have an average math proficiency score of 33% (versus the Connecticut public high school average of 33%), and reading proficiency score of 57% (versus the 53% statewide average). High schools in Groton have an average ranking of 4/10, which is in the bottom 50% of Connecticut public high schools.
Groton, CT public high school have a Graduation Rate of 88%, which is less than the Connecticut average of 89%.
The school with highest graduation rate is Ella T. Grasso Technical High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Connecticut or national school graduation rate statistics.
Minority enrollment is 57% of the student body (majority Hispanic), which is more than the Connecticut public high school average of 56% (majority Hispanic).
Best Public High Schools in Groton, CT (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
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
Gr: 9-12 | 274 students Student-teacher ratio: 11:1 Minority enrollment: 39%
Rank: #22.
Robert E. Fitch High School
(Math: 39% | 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
Gr: 9-12 | 942 students Student-teacher ratio: 11:1 Minority enrollment: 57%
Rank: #33.
Ella T. Grasso Technical High School
Vocational School
(Math: 15-19% | 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
Gr: 9-12 | 684 students Student-teacher ratio: 12:1 Minority enrollment: 63%
Frequently Asked Questions
What are the top-ranked public high schools in Groton, CT?
The top-ranked public high schools in Groton, CT include Marine Science Magnet High School, Robert E. Fitch High School and Ella T. Grasso Technical High School.
How many public high schools are located in Groton?
3 public high schools are located in Groton.
What is the racial composition of students in Groton?
Groton public high schools minority enrollment is 57% of the student body (majority Hispanic), which is more than the Connecticut public high schools average of 56% (majority Hispanic).
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