Serving 429 students in grades Prekindergarten-5, Deans Mill School ranks in the top 5% of all schools in Connecticut for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 79% (which is higher than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 81% (which is higher than the Connecticut state average of 50%).
The student-teacher ratio of 11:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 12% of the student body (majority Hispanic), which is lower than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (2026)
- Grades: Prekindergarten-5
- Enrollment: 429 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 12%
- Overall Testing Rank: Top 5% in CT
- Math Proficiency: 79% (Top 5%)
- Reading Proficiency: 81% (Top 10%)
- Science Proficiency: 75-79% (Top 10%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Deans Mill School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Student Attention
School Overview
Deans Mill School's student population of 429 students has declined by 5% over five school years.
The teacher population of 39 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-5
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
429 students
Total Classroom Teachers
39 teachers
School Motto
Deans Mill School…Where Learning Soars!
School Rankings
Deans Mill School ranks within the top 5% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Deans Mill School is 0.22, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#42 out of 939 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
79%
41%
Reading/Language Arts Test Scores (% Proficient)
81%
50%
Science Test Scores (% Proficient)
75-79%
47%
Student-Teacher Ratio
11:1
12:1
American Indian
n/a
n/a
Asian
1%
5%
Hispanic
6%
32%
Black
n/a
12%
White
88%
46%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Eligible for Free Lunch
11%
38%
Eligible for Reduced Lunch
2%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Deans Mill School's ranking?
Deans Mill School is ranked #42 out of 939 schools, which ranks it among the top 5% of public schools in Connecticut.
What schools are Deans Mill School often compared to?
Deans Mill Schoolis often viewed alongside schools like West Vine Street School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
79% of students have achieved math proficiency (compared to the 41% CT state average), while 81% of students have achieved reading proficiency (compared to the 50% CT state average).
How many students attend Deans Mill School?
429 students attend Deans Mill School.
What is the racial composition of the student body?
88% of Deans Mill School students are White, 6% of students are Hispanic, 5% of students are Two or more races, and 1% of students are Asian.
What is the student-teacher ratio of Deans Mill School?
Deans Mill School has a student ration of 11:1, which is lower than the Connecticut state average of 12:1.
What grades does Deans Mill School offer ?
Deans Mill School offers enrollment in grades Prekindergarten-5 (Supplemental Virtual).
What school district is Deans Mill School part of?
Deans Mill School is part of Stonington School District.
School Reviews
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