Seymour High School serves 604 students in grades 9-12.
Seymour High School placed in the top 50% of all schools in Connecticut for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%) for the 2020-21 school year.
The percentage of students achieving proficiency in math is 35-39% (which is approximately equal to the Connecticut state average of 39%) for the 2020-21 school year. The percentage of students achieving proficiency in reading/language arts is 60-64% (which is higher than the Connecticut state average of 51%) for the 2020-21 school year.
The student:teacher ratio of 12:1 is equal to the Connecticut state level of 12:1.
Minority enrollment is 32% of the student body (majority Hispanic), which is lower than the Connecticut state average of 51% (majority Hispanic).
- Grades: 9-12
- Enrollment: 604 students
- Student:Teacher Ratio: 12:1
- Minority Enrollment: 32%
- Graduation Rate: 90-94% (Btm 50% in CT)
- Overall Testing Rank: Top 50%
- Math Proficiency: 35-39% (Top 50%)
- Reading Proficiency: 60-64% (Top 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Seymour High School's student population of 604 students has declined by 7% over five school years.
The teacher population of 49 teachers has stayed relatively flat over five school years.
(offers virtual instruction)
(offers virtual instruction)
Total Classroom Teachers
Students by Grade
Seymour High School is ranked within the top 50% of all 940 schools in Connecticut (based off of combined math and reading proficiency testing data) for the 2020-21 school year.
The diversity score of Seymour High School is 0.50, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Definition of Terms 2021-2022 School Year Data
State Level (CT)
Overall Testing Rank
#398 out of 940 schools
Math Test Scores (% Proficient)
Reading/Language Arts Test Scores (% Proficient)
Student : Teacher Ratio
Two or more races
All Ethnic Groups
Eligible for Free Lunch
Eligible for Reduced Lunch
School Statewide Testing
School District Name
Source: 2021-2022 (latest school year available) 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 #398 out of 940 schools, which ranks it among the top 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 by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
35-39% of students have achieved math proficiency (compared to the 39% CT state average), while 60-64% of students have achieved reading proficiency (compared to the 51% CT state average).
What is the graduation rate of Seymour High School?
The graduation rate of Seymour High School is 90-94%, which is higher than the Connecticut state average of 90%.
How many students attend Seymour High School?
604 students attend Seymour High School.
What is the racial composition of the student body?
68% of Seymour High School students are White, 19% of students are Hispanic, 8% of students are Black, 4% of students are Asian, and 1% 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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