Serving 543 students in grades 9-12, Stonington High School ranks in the top 50% of all schools in Connecticut for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 45-49% (which is higher than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 70-74% (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 16% of the student body (majority Hispanic), which is lower than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 543 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 16%
- Graduation Rate: ≥95% (Top 10% in CT)
- Overall Testing Rank: Top 50%
- Math Proficiency: 45-49% (Top 50%)
- Reading Proficiency: 70-74% (Top 20%)
- Science Proficiency: 60-64% (Top 30%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Stonington High School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Stonington High School's student population of 543 students has declined by 11% over five school years.
The teacher population of 48 teachers has declined by 5% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
543 students
Total Classroom Teachers
48 teachers
Year Founded
1905
Colors
Blue and White
School Calendar
School Motto
WE BELIEVE IN YOU
School Rankings
Stonington High School ranks within the top 50% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Stonington High School is 0.29, 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
#285 out of 939 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
45-49%
41%
Reading/Language Arts Test Scores (% Proficient)
70-74%
50%
Science Test Scores (% Proficient)
60-64%
47%
Student-Teacher Ratio
11:1
12:1
Asian
1%
5%
Hispanic
7%
32%
Black
1%
12%
White
84%
46%
Two or more races
7%
5%
All Ethnic Groups
Graduation Rate
≥95%
89%
Eligible for Free Lunch
20%
38%
Eligible for Reduced Lunch
4%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Stonington High School's ranking?
Stonington High School is ranked #285 out of 939 schools, which ranks it among the top 50% of public schools in Connecticut.
What schools are Stonington High School often compared to?
Stonington High Schoolis often viewed alongside schools like Robert E. Fitch High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
45-49% of students have achieved math proficiency (compared to the 41% CT state average), while 70-74% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Stonington High School?
The graduation rate of Stonington High School is 95%, which is higher than the Connecticut state average of 89%.
How many students attend Stonington High School?
543 students attend Stonington High School.
What is the racial composition of the student body?
84% of Stonington High School students are White, 7% of students are Hispanic, 7% of students are Two or more races, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Stonington High School?
Stonington High School has a student ration of 11:1, which is lower than the Connecticut state average of 12:1.
What grades does Stonington High School offer ?
Stonington High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Stonington High School part of?
Stonington High School is part of Stonington School District.
School Reviews
Review Stonington High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Learn how to evaluate whether a public school teaches media literacy effectively, from fact-checking and source evaluation to digital citizenship and critical thinking.
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Explore why some public schools are reducing screen time, bringing back paper learning, and rethinking the balance between technology and traditional instruction.
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Learn how public schools use AI, protect student data, and the key privacy questions every parent should ask their school district in 2026.
