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Public School Review - Established 2003

Best 06340 Connecticut Public Preschools (2026)

For the 2026 school year, there are 3 public preschools serving 1,215 students in 06340, CT.
The top-ranked public preschools in 06340, 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.
Public preschools in zipcode 06340 have an average math proficiency score of 46% (versus the Connecticut public pre school average of 37%), and reading proficiency score of 53% (versus the 42% statewide average). Pre schools in 06340, CT have an average ranking of 5/10, which is in the bottom 50% of Connecticut public pre schools.
Minority enrollment is 57% of the student body (majority Hispanic), which is less than the Connecticut public preschool average of 60% (majority Hispanic).

Best 06340, CT Public Preschools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Thames River Magnet School
Magnet School
(Math: 50-54% | Reading: 50-54%)
Rank:
6/
10
Top 50%
250 Brandegee Avenue
Groton, CT 06340
(860) 980-8230
Gr: PK-5 | 501 students Student-teacher ratio: 12:1 Minority enrollment: 60%
Rank: #22.
Charles Barnum Magnet School
Magnet School
(Math: 40-44% | Reading: 55-59%)
Rank:
6/
10
Top 50%
68 Briar Hill Rd.
Groton, CT 06340
(860) 449-5640
Gr: PK-5 | 339 students Student-teacher ratio: 12:1 Minority enrollment: 49%
Rank: #33.
Catherine Kolnaski Magnet School
Magnet School
(Math: 40-44% | Reading: 50-54%)
Rank:
5/
10
Bottom 50%
500 Poquonnock Rd.
Groton, CT 06340
(860) 449-5608
Gr: PK-5 | 375 students Student-teacher ratio: 12:1 Minority enrollment: 62%

Frequently Asked Questions

What are the top-ranked public preschools in 06340, CT?
The top-ranked public preschools in 06340, CT include Thames River Magnet School, Charles Barnum Magnet School and Catherine Kolnaski Magnet School.
How many public preschools are located in 06340?
3 public preschools are located in 06340.
What is the racial composition of students in 06340?
06340 public preschools minority enrollment is 57% of the student body (majority Hispanic), which is less than the Connecticut public preschools average of 60% (majority Hispanic).

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