Derby High School is a public secondary education school for grades 9–12, it is located at 75 Chatfield Street in Derby. It is the only public secondary education school in Derby and is one of five public schools in the city.
Serving 370 students in grades 9-12, Derby High School ranks in the bottom 50% of all schools in Connecticut for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 6-9% (which is lower than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 40-49% (which is lower than the Connecticut state average of 50%).
The student:teacher ratio of 10:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 70% of the student body (majority Hispanic), which is higher than the Connecticut state average of 53% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 370 students
- Student:Teacher Ratio: 10:1
- Minority Enrollment: 70%
- Graduation Rate: 75-79% (Btm 50% in CT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 6-9% (Btm 50%)
- Reading Proficiency: 40-49% (Btm 50%)
- Science Proficiency: 11-19% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Derby High School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Diversity
Student Attention
School Overview
Derby High School's student population of 370 students has grown by 12% over five school years.
The teacher population of 36 teachers has grown by 12% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
370 students
Gender %
Total Classroom Teachers
36 teachers
Year Founded
1909
School Calendar
School Rankings
Derby High School ranks within the bottom 50% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Derby High School is 0.71, which is more 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
#744 out of 939 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
6-9%
41%
Reading/Language Arts Test Scores (% Proficient)
40-49%
50%
Science Test Scores (% Proficient)
11-19%
47%
Student : Teacher Ratio
10:1
12:1
American Indian
n/a
n/a
Asian
3%
5%
Hispanic
37%
31%
Black
25%
12%
White
30%
47%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Graduation Rate
75-79%
89%
Eligible for Free Lunch
50%
37%
Eligible for Reduced Lunch
6%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
School Notes
- School Mascot: Red Raiders
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Derby High School's ranking?
Derby High School is ranked #744 out of 939 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What schools are Derby High School often compared to?
Derby High Schoolis often viewed alongside schools like Ansonia High School, Seymour High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
6-9% of students have achieved math proficiency (compared to the 41% CT state average), while 40-49% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Derby High School?
The graduation rate of Derby High School is 75-79%, which is lower than the Connecticut state average of 89%.
How many students attend Derby High School?
370 students attend Derby High School.
What is the racial composition of the student body?
37% of Derby High School students are Hispanic, 30% of students are White, 25% of students are Black, 5% of students are Two or more races, and 3% of students are Asian.
What is the student:teacher ratio of Derby High School?
Derby High School has a student ration of 10:1, which is lower than the Connecticut state average of 12:1.
What grades does Derby High School offer ?
Derby High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Derby High School part of?
Derby High School is part of Derby School District.
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