Delmar High School is a public high school in Delmar, a community in Sussex County, Delaware.
Serving 713 students in grades 9-12, Delmar High School ranks in the top 50% of all schools in Delaware for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 20-24% (which is lower than the Delaware state average of 31%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is higher than the Delaware state average of 42%).
The student-teacher ratio of 20:1 is higher than the Delaware state level of 15:1.
Minority enrollment is 42% of the student body (majority Black and Hispanic), which is lower than the Delaware state average of 62% (majority Black).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 713 students
- Student-Teacher Ratio: 20:1
- Minority Enrollment: 42%
- Graduation Rate: 90-94% (Top 50% in DE)
- Overall Testing Rank: Top 50%
- Math Proficiency: 20-24% (Btm 50%)
- Reading Proficiency: 50-54% (Top 20%)
- Science Proficiency: 35-39% (Top 20%)
- Source: National Center for Education Statistics (NCES), DE Dept. of Education
Top Rankings
Delmar High School ranks among the top 20% of public schools in Delaware for:
Category
Attribute
Most improved public schools
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Delmar High School's student population of 713 students has grown by 13% over five school years.
The teacher population of 35 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
713 students
Total Classroom Teachers
35 teachers
Year Founded
1928
Colors
Blue and Yellow
School Motto
Wildcat Pride!
School Rankings
Delmar High School ranks within the top 50% of all 199 schools in Delaware (based off of combined math and reading proficiency testing data).
The diversity score of Delmar High School is 0.61, 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
#74 out of 199 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
20-24%
31%
Reading/Language Arts Test Scores (% Proficient)
50-54%
42%
Science Test Scores (% Proficient)
35-39%
21%
Student-Teacher Ratio
20:1
15:1
Asian
4%
5%
Hispanic
16%
20%
Black
16%
31%
White
58%
38%
Two or more races
6%
6%
All Ethnic Groups
Graduation Rate
90-94%
88%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
13%
33%
Eligible for Reduced Lunch (12-13)
5%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), DE Dept. of Education
School Notes
- School Mascot: Wildcat
Frequently Asked Questions
What is Delmar High School's ranking?
Delmar High School is ranked #74 out of 199 schools, which ranks it among the top 50% of public schools in Delaware.
What schools are Delmar High School often compared to?
Delmar High Schoolis often viewed alongside schools like Indian River High School, Cape Henlopen High School, Sussex Central High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
20-24% of students have achieved math proficiency (compared to the 31% DE state average), while 50-54% of students have achieved reading proficiency (compared to the 42% DE state average).
What is the graduation rate of Delmar High School?
The graduation rate of Delmar High School is 90-94%, which is higher than the Delaware state average of 88%.
How many students attend Delmar High School?
713 students attend Delmar High School.
What is the racial composition of the student body?
58% of Delmar High School students are White, 16% of students are Hispanic, 16% of students are Black, 6% of students are Two or more races, and 4% of students are Asian.
What is the student-teacher ratio of Delmar High School?
Delmar High School has a student ration of 20:1, which is higher than the Delaware state average of 15:1.
What grades does Delmar High School offer ?
Delmar High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Delmar High School part of?
Delmar High School is part of Delmar School District.
School Calendar
View the Delmar High School yearly calendar below. Note key dates such as:
Event
Date
Spring Break: Schools and Offices Closed
March 26, 2027 (Friday)
Senior's Final Exams; Senior's Last Day
May 21, 2027 (Friday)
Student's Last Day; End of Marking Period 4 (42 days)
June 04, 2027 (Friday)
School Reviews
5 10/10/2025
I school choice my 2 boys to this school. You cannot find a better group of people and the sense of commitment and responsibility is found everywhere. It's a small school so you get to know the teachers and they know your kids. I have committed to drive (no bus for school choice) 20 minutes at least 2 times daily sometimes 4 and it's worth every drop of gasoline!
Review Delmar High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.
