Seymour High School
🇺🇸 Official data · 2025Seymour, Connecticut 06483 · Seymour School District
#98 of 180 high schools in Connecticut
#6689 of 16,910 nationally
About Seymour High School
Seymour High School is a public high located in Seymour, in the Seymour School District school district of Connecticut, United States. It caters for Grades 9–12. In 2025 it enrolled 604 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 56.5 out of 100, placing it in the top 50% of high schools in United States and 98th of 180 ranked high schools in Connecticut. Its strongest component is students per teacher (75th percentile), and its weakest is math proficiency (46th percentile).
Other published figures: enrollment 604.
There are 4 schools in Seymour; Seymour High School ranks 2nd of 4 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)37%
- Reading proficiency (30%)62%
- Community advantage (fewer free/reduced-price lunch) (25%)50.8%
- Students per teacher (15%)11.8
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Seymour High School by the official sources.
- Enrollment
- 604
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 50.8%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 11.8
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 62%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 37%
- Share of tested students proficient or above (all students, all grades).
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Schools near Seymour High School
Closest schools by straight-line distance, with their Success Index (US).
Bungay School
Seymour · Public elementary · Grades PK–5
478 students · 672 m away
Seymour Middle School
Seymour · Public middle · Grades 6–8
494 students · 1.4 km away
Oxford High School
Oxford · Public high · Grades 9–12
476 students · 3.3 km away
Chatfield-LoPresti School
Seymour · Public elementary · Grades K–5
515 students · 4.0 km away
Woodland Regional High School
Beacon Falls · Public high · Grades 9–12
571 students · 4.5 km away
Ansonia Middle School
Ansonia · Public middle · Grades 6–8
560 students · 5.0 km away
Great Oak Elementary School
Oxford · Public elementary · Grades 3–5
369 students · 5.4 km away
Oxford Middle School
Oxford · Public middle · Grades 6–8
371 students · 5.6 km away
Derby Middle School
Derby · Public middle · Grades 6–8
300 students · 5.7 km away
Derby High School
Derby · Public high · Grades 9–12
360 students · 5.7 km away
Similar schools
Public high schools in Connecticut with a comparable Enrollment.
New London High School
New London · Public high · Grades 9–12
605 students
Griswold High School
Griswold · Public high · Grades 9–12
606 students
Engineering - Science University Magnet School
West Haven · Public high · Grades 6–12
608 students
Wolcott High School
Wolcott · Public high · Grades 9–12
611 students
Lewis S. Mills High School
Burlington · Public high · Grades 9–12
614 students
Ansonia High School
Ansonia · Public high · Grades 9–12
617 students
Frequently asked questions
Is Seymour High School a good school?
Seymour High School has a Success Index (US) of 56.5 out of 100 (Top 50% of high schools in United States) and ranks #98 of 180 in Connecticut. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Seymour High School rank in Connecticut?
Seymour High School ranks #98 of 180 high schools in Connecticut and #6689 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Seymour High School?
Seymour High School had 604 students in 2025.
Is Seymour High School a elementary school or a high school?
Seymour High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Seymour High School?
There are 10 schools within 15 km of Seymour High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.