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Concord High School

🇺🇸 Official data · 2025Wilmington, Delaware 19810 · Brandywine School District

47.5/ 100
Success Index (US)
Lower 50%

#12 of 34 high schools in Delaware
#9056 of 16,910 nationally

How is this calculated?
Students
994
Enrollment
994
Source: NCES CCD
Students per teacher
14.8
Source: NCES CCD
Reading proficiency
57%
Source: EDFacts

About Concord High School

Concord High School is a public high located in Wilmington, in the Brandywine School District school district of Delaware, United States. It caters for Grades 9–12. In 2025 it enrolled 994 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 47.5 out of 100, placing it in the lower 50% of high schools in United States and 12th of 34 ranked high schools in Delaware. Its strongest component is reading proficiency (55th percentile), and its weakest is math proficiency (38th percentile).

Other published figures: enrollment 994.

There are 46 schools in Wilmington; Concord High School ranks 19th of 44 scored schools there.

Success Index (US) breakdown

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

  • Math proficiency (30%)32%
  • Reading proficiency (30%)57%
  • Community advantage (fewer free/reduced-price lunch) (25%)–
  • Students per teacher (15%)14.8

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 Concord High School by the official sources.

Enrollment
994
Students enrolled in the latest NCES directory year.
Students per teacher
14.8
Enrollment divided by FTE teachers; not class size.
Reading proficiency
57%
Share of tested students proficient or above (all students, all grades).
Math proficiency
32%
Share of tested students proficient or above (all students, all grades).

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Schools near Concord High School

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

Similar schools

Public high schools in Delaware with a comparable Enrollment.

Frequently asked questions

Is Concord High School a good school?

Concord High School has a Success Index (US) of 47.5 out of 100 (Lower 50% of high schools in United States) and ranks #12 of 34 in Delaware. 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 Concord High School rank in Delaware?

Concord High School ranks #12 of 34 high schools in Delaware and #9056 of 16,910 nationally on the Success Index (US) (2025 data).

How many students attend Concord High School?

Concord High School had 994 students in 2025.

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

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

What other schools are near Concord High School?

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