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 359 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 40%). 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 53% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 359 students
- Student:Teacher Ratio: 9:1
- Minority Enrollment: 16%
- Graduation Rate: ≥95% (Top 20% 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
Graduation Rate
Student Attention
School Overview
Coginchaug Regional High School's student population of 359 students has declined by 30% over five school years.
The teacher population of 38 teachers has declined by 13% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
359 students
Gender %
Total Classroom Teachers
38 teachers
Colors
White, Blue
School Calendar
School Rankings
Coginchaug Regional High School ranks within the top 30% of all 942 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
#235 out of 942 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
45-49%
40%
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
9%
31%
Black
1%
12%
White
84%
47%
Hawaiian
n/a
n/a
Two or more races
4%
5%
All Ethnic Groups
Graduation Rate
≥95%
89%
Eligible for Free Lunch
14%
37%
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
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Coginchaug Regional High School's ranking?
Coginchaug Regional High School is ranked #235 out of 942 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 40% 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 95%, which is higher than the Connecticut state average of 89%.
How many students attend Coginchaug Regional High School?
359 students attend Coginchaug Regional High School.
What is the racial composition of the student body?
84% of Coginchaug Regional High School students are White, 9% of students are Hispanic, 4% 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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