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For the 2026 school year, there are 2 public preschools serving 863 students in Groton, CT.

The top-ranked public preschools in Groton, CT are Thames River Magnet School and Charles Barnum Magnet School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Groton, CT public preschools have an average math proficiency score of 47% (versus the Connecticut public pre school average of 36%), and reading proficiency score of 54% (versus the 42% statewide average). Pre schools in Groton have an average ranking of 4/10, which is in the bottom 50% of Connecticut public pre schools.

Minority enrollment is 53% of the student body (majority Hispanic), which is less than the Connecticut public preschool average of 59% (majority Hispanic).