For the 2025 school year, there is 1 public school serving 423 students in Stonington, CT (there are 1 private school, serving 166 private students). 72% of all K-12 students in Stonington, CT are educated in public schools (compared to the CT state average of 88%).
The top ranked public school in Stonington, CT is Deans Mill School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Stonington, CT public school have an average math proficiency score of 79% (versus the Connecticut public school average of 42%), and reading proficiency score of 81% (versus the 51% statewide average). Schools in Stonington have an average ranking of 10/10, which is in the top 5% of Connecticut public schools.
Minority enrollment is 13% of the student body (majority Hispanic), which is less than the Connecticut public school average of 54% (majority Hispanic).
Best Public Schools in Stonington, CT (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Deans Mill School
(Math: 79% | Reading: 81%)
Rank:
Rank:
10/
Top 5%10
35 Deans Mill Rd.
Stonington, CT 06378
(860) 535-2235
Stonington, CT 06378
(860) 535-2235
Gr: PK-5 | 423 students Student-teacher ratio: 11:1 Minority enrollment: 13%
Frequently Asked Questions
What are the top ranked public schools in Stonington, CT?
The top ranked public schools in Stonington, CT include Deans Mill School.
How many public schools are located in Stonington?
1 public schools are located in Stonington.
What percentage of students in Stonington go to public school?
72% of all K-12 students in Stonington are educated in public schools (compared to the CT state average of 88%).
What is the racial composition of students in Stonington?
Stonington public schools minority enrollment is 13% of the student body (majority Hispanic), which is less than the Connecticut public schools average of 54% (majority Hispanic).
Recent Articles

Why Single-Sex Public Schools are Growing in Popularity
This article examines the growing trend of single-sex public schools in the United States. It explores the potential benefits, research findings, and controversies surrounding gender-specific education, as well as the factors driving its increasing popularity among parents and educators.

When Teachers Cheat: The Standardized Test Controversies
Teachers across the country are being accused of cheating on standardized tests, using erasers to conveniently change their students’ answers. However, are these teachers driven to cheat because the funding system is flawed?

When Field Trips Turn Deadly: Who is Responsible?
Recent deaths during field trips have parents and school officials questioning the safety of these excursions. Learn about these tragedies and what parameters should be in place to ensure a safe field trip.