Coginchaug Regional High School is a public high school located in Durham, Connecticut and is named after the Coginchaug River. It is part of Regional School District #13, which encompasses the communities of Durham, Middlefield and Rockfall, Connecticut. Coginchaug is attended by students in grades 9 through 12.
Serving 356 students in grades 9-12, Coginchaug Regional High School ranks in the top 30% 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 75-79% (which is higher than the Connecticut state average of 50%).
The student-teacher ratio of 9:1 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: 356 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 16%
- Graduation Rate: 90-94% (Top 50% in CT)
- Overall Testing Rank: Top 30%
- Math Proficiency: 45-49% (Top 50%)
- Reading Proficiency: 75-79% (Top 10%)
- Science Proficiency: 65-69% (Top 20%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Coginchaug Regional High School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Reading/Language Arts Proficiency
Science Proficiency
Student Attention
School Overview
Coginchaug Regional High School's student population of 356 students has declined by 20% over five school years.
The teacher population of 40 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
356 students
Total Classroom Teachers
40 teachers
Colors
White, Blue
School Calendar
School Motto
Coginchaug Regional High School engages and supports students in rigorous learning experiences.
School Rankings
Coginchaug Regional High School ranks within the top 30% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Coginchaug Regional 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
#251 out of 939 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
45-49%
41%
Reading/Language Arts Test Scores (% Proficient)
75-79%
50%
Science Test Scores (% Proficient)
65-69%
47%
Student-Teacher Ratio
9:1
12:1
American Indian
n/a
n/a
Asian
2%
5%
Hispanic
10%
32%
Black
1%
12%
White
84%
46%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
90-94%
89%
Eligible for Free Lunch
13%
38%
Eligible for Reduced Lunch
3%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
School Notes
- School Mascot: Blue Devils
Frequently Asked Questions
What is Coginchaug Regional High School's ranking?
Coginchaug Regional High School is ranked #251 out of 939 schools, which ranks it among the top 30% of public schools in Connecticut.
What schools are Coginchaug Regional High School often compared to?
Coginchaug Regional High Schoolis often viewed alongside schools like East Hampton 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 75-79% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Coginchaug Regional High School?
The graduation rate of Coginchaug Regional High School is 90-94%, which is higher than the Connecticut state average of 89%.
How many students attend Coginchaug Regional High School?
356 students attend Coginchaug Regional High School.
What is the racial composition of the student body?
84% of Coginchaug Regional High School students are White, 10% of students are Hispanic, 3% of students are Two or more races, 2% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Coginchaug Regional High School?
Coginchaug Regional High School has a student ration of 9:1, which is lower than the Connecticut state average of 12:1.
What grades does Coginchaug Regional High School offer ?
Coginchaug Regional High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Coginchaug Regional High School part of?
Coginchaug Regional High School is part of Regional School District 13.
School Reviews
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