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Derby High School

🇺🇸 Official data · 2025Derby, Connecticut 06418 · Derby School District

36.9/ 100
Success Index (US)
Lower 50%

#137 of 180 high schools in Connecticut
#11735 of 16,910 nationally

How is this calculated?
Students
360
Enrollment
360
Source: NCES CCD
Free/reduced-price lunch
53.6%
Source: NCES CCD
Students per teacher
9.7
Source: NCES CCD

About Derby High School

Derby High School is a public high located in Derby, in the Derby School District school district of Connecticut, United States. It caters for Grades 9–12. In 2025 it enrolled 360 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 36.9 out of 100, placing it in the lower 50% of high schools in United States and 137th of 180 ranked high schools in Connecticut. Its strongest component is students per teacher (89th percentile), and its weakest is math proficiency (9th percentile).

Other published figures: enrollment 360.

There are 5 schools in Derby; Derby High School ranks 3rd of 4 scored schools there.

Success Index (US) breakdown

Each component is a percentile against high schools across United States.

  • Math proficiency (30%)12%
  • Reading proficiency (30%)42%
  • Community advantage (fewer free/reduced-price lunch) (25%)53.6%
  • Students per teacher (15%)9.7

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 Derby High School by the official sources.

Enrollment
360
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
53.6%
Share of students eligible for free or reduced-price lunch.
Students per teacher
9.7
Enrollment divided by FTE teachers; not class size.
Reading proficiency
42%
Share of tested students proficient or above (all students, all grades).
Math proficiency
12%
Share of tested students proficient or above (all students, all grades).

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Schools near Derby High School

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public high schools in Connecticut with a comparable Enrollment.

Frequently asked questions

Is Derby High School a good school?

Derby High School has a Success Index (US) of 36.9 out of 100 (Lower 50% of high schools in United States) and ranks #137 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 Derby High School rank in Connecticut?

Derby High School ranks #137 of 180 high schools in Connecticut and #11735 of 16,910 nationally on the Success Index (US) (2025 data).

How many students attend Derby High School?

Derby High School had 360 students in 2025.

Is Derby High School a elementary school or a high school?

Derby High School is classified as a high covering Grades 9–12. It is a public school.

What other schools are near Derby High School?

There are 10 schools within 15 km of Derby High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.