Concord High School is a public secondary school located in unincorporated New Castle County, Delaware, United States, with a Wilmington postal address. It is one of three high schools in the Brandywine School District. There was a total of 1,014 students enrolled in the fall for the 2024–2025 school year.
Serving 994 students in grades 9-12, Concord High School ranks in the top 30% of all schools in Delaware for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 27% (which is lower than the Delaware state average of 31%). The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher than the Delaware state average of 42%).
The student-teacher ratio of 15:1 is equal to the Delaware state level of 15:1.
Minority enrollment is 53% of the student body (majority Black), which is lower than the Delaware state average of 62% (majority Black).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 994 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 53%
- Graduation Rate: 92% (Top 50% in DE)
- Overall Testing Rank: Top 30%
- Math Proficiency: 27% (Top 50%)
- Reading Proficiency: 55-59% (Top 20%)
- Science Proficiency: 24% (Top 50%)
- Source: National Center for Education Statistics (NCES), DE Dept. of Education
Top Rankings
Concord High School ranks among the top 20% of public schools in Delaware for:
Category
Attribute
Reading/Language Arts Proficiency
School Overview
Concord High School's student population of 994 students has declined by 5% over five school years.
The teacher population of 67 teachers has declined by 11% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
994 students
Total Classroom Teachers
67 teachers
Year Founded
1969
School Calendar
School Rankings
Concord High School ranks within the top 30% of all 199 schools in Delaware (based off of combined math and reading proficiency testing data).
The diversity score of Concord High School is 0.65, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#58 out of 199 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
27%
31%
Reading/Language Arts Test Scores (% Proficient)
55-59%
42%
Science Test Scores (% Proficient)
24%
21%
Student-Teacher Ratio
15:1
15:1
American Indian
1%
n/a
Asian
8%
5%
Hispanic
7%
20%
Black
35%
31%
White
47%
38%
Two or more races
2%
6%
All Ethnic Groups
Graduation Rate
92%
88%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
21%
33%
Eligible for Reduced Lunch (12-13)
4%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), DE Dept. of Education
School Notes
- School Mascot: Raider
Frequently Asked Questions
What is Concord High School's ranking?
Concord High School is ranked #58 out of 199 schools, which ranks it among the top 30% of public schools in Delaware.
What schools are Concord High School often compared to?
Concord High Schoolis often viewed alongside schools like Brandywine High School, Mount Pleasant High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
27% of students have achieved math proficiency (compared to the 31% DE state average), while 55-59% of students have achieved reading proficiency (compared to the 42% DE state average).
What is the graduation rate of Concord High School?
The graduation rate of Concord High School is 92%, which is higher than the Delaware state average of 88%.
How many students attend Concord High School?
994 students attend Concord High School.
What is the racial composition of the student body?
47% of Concord High School students are White, 35% of students are Black, 8% of students are Asian, 7% of students are Hispanic, 2% of students are Two or more races, and 1% of students are American Indian.
What is the student-teacher ratio of Concord High School?
Concord High School has a student ration of 15:1, which is equal to the Delaware state average of 15:1.
What grades does Concord High School offer ?
Concord High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Concord High School part of?
Concord High School is part of Brandywine School District.
School Reviews
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