Serving 598 students in grades 9-12, Seymour 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 30-34% (which is lower than the Connecticut state average of 40%). The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher than the Connecticut state average of 50%).
The student:teacher ratio of 12:1 is equal to the Connecticut state level of 12:1.
Minority enrollment is 36% 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: 598 students
- Student:Teacher Ratio: 12:1
- Minority Enrollment: 36%
- Graduation Rate: 85-89% (Btm 50% in CT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 30-34% (Btm 50%)
- Reading Proficiency: 55-59% (Top 50%)
- Science Proficiency: 40-44% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
School Overview
Seymour High School's student population of 598 students has declined by 9% over five school years.
The teacher population of 49 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
598 students
Gender %
Total Classroom Teachers
49 teachers
Students by Grade
School Rankings
Seymour High School ranks within the bottom 50% of all 942 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Seymour High School is 0.54, 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
#493 out of 942 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
30-34%
40%
Reading/Language Arts Test Scores (% Proficient)
55-59%
50%
Science Test Scores (% Proficient)
40-44%
47%
Student : Teacher Ratio
12:1
12:1
American Indian
n/a
n/a
Asian
4%
5%
Hispanic
23%
31%
Black
7%
12%
White
64%
47%
Hawaiian
n/a
n/a
Two or more races
2%
5%
All Ethnic Groups
Graduation Rate
85-89%
89%
Eligible for Free Lunch
32%
37%
Eligible for Reduced Lunch
13%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Seymour High School's ranking?
Seymour High School is ranked #493 out of 942 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What schools are Seymour High School often compared to?
Seymour High Schoolis often viewed alongside schools like Ansonia High School, Derby High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 40% CT state average), while 55-59% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Seymour High School?
The graduation rate of Seymour High School is 85-89%, which is lower than the Connecticut state average of 89%.
How many students attend Seymour High School?
598 students attend Seymour High School.
What is the racial composition of the student body?
64% of Seymour High School students are White, 23% of students are Hispanic, 7% of students are Black, 4% of students are Asian, and 2% of students are Two or more races.
What is the student:teacher ratio of Seymour High School?
Seymour High School has a student ration of 12:1, which is equal to the Connecticut state average of 12:1.
What grades does Seymour High School offer ?
Seymour High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Seymour High School part of?
Seymour High School is part of Seymour School District.
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