For the 2026 school year, there is 1 public school serving 429 students in Stonington, CT (there are 1 private school, serving 166 private students). 70% of all K-12 students in Stonington, CT are educated in public schools (compared to the CT state average of 89%).
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 12% of the student body (majority Hispanic), which is less than the Connecticut public school average of 55% (majority Hispanic).
Best Public Schools in Stonington, CT (2026)
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 | 429 students Student-teacher ratio: 11:1 Minority enrollment: 12%
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?
70% of all K-12 students in Stonington are educated in public schools (compared to the CT state average of 89%).
What is the racial composition of students in Stonington?
Stonington public schools minority enrollment is 12% of the student body (majority Hispanic), which is less than the Connecticut public schools average of 55% (majority Hispanic).
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