For the 2026-27 school year, there is 1 public school serving 429 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 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 (2026-27)
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?
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 12% of the student body (majority Hispanic), which is less than the Connecticut public schools average of 55% (majority Hispanic).
Recent Articles
How Often Does Your Child's School Change Teachers Between Grade Levels?
Learn how teacher movement between grade levels affects continuity, experience, instruction, and school stability, plus the questions parents should ask about staffing patterns before choosing a public school today.
The School Pickup Test: What Arrival and Dismissal Reveal About a Public School
Discover what school arrival and dismissal reveal about safety, supervision, organization, communication, student behavior, transportation, and school climate before choosing the right public school for your child and family.
Should Siblings Attend the Same Public School?
Should siblings attend the same public school? Learn when academic needs, learning styles, programs, social fit, support services, and individual interests may make different schools better choices for children.