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SCHOOL COMMUNITY·DELMAR SCHOOL DISTRICT·NCES 100027000080

Delmar High School

200 North Eighth Street, Delmar, DE 19940 · (302) 846-9544 · Sussex County
GRADES 09–12HIGH23-SUBURBREGULAR SCHOOL713 STUDENTS
Enrollment
713
High
DISTRICT 723 · STATE 1,068
Student : Teacher
20.4:1
35 FTE teachers
DISTRICT 20.1:1 · STATE 16.6:1
Free / Reduced Lunch
,
Title I proxy
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 918526%
Grade 1019327%
Grade 1116824%
Grade 1216723%
Student demographics
61%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 62% · STATE 71% · US 70%
White
41558%
DISTRICT 57% · STATE 38% · US 43%
Hispanic
11015%
DISTRICT 14% · STATE 20% · US 30%
Black
11216%
DISTRICT 19% · STATE 31% · US 15%
Asian
274%
DISTRICT 4% · STATE 4% · US 6%
Two+
456%
DISTRICT 7% · STATE 6% · US 5%
Native American
30%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
36151%
Female
35249%

School pathway

Feeds from
Delmar Middle School05–08
Based on grade levels within Delmar School District. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Where Delmar High School ranks

Among high schools
MeasureThis schoolIn DelawareIn Sussex County
Enrollment
ranked largest first
713#33 of 41#8 of 9
Students per teacher
ranked fewest first
20.4:1#34 of 38#7 of 8
Diversity index
ranked most diverse first
60.7%#31 of 38#6 of 8
Enrollment change since 2017-18
ranked fastest growth first
+9.4%#17 of 28#6 of 8
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
713
+86 (+14%) vs 2020
+20% since 1990-91, when it was 596
Student : Teacher
20.4:1
was 17.4:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-257133520.4:1N/A
2023-247143619.8:1N/A
2022-236703519.1:1N/A
2020-216273617.4:1N/A
2017-186523518.6:1N/A
2015-166493817.1:114% (94)
2010-116313916.2:140% (252)
2000-01522628.4:124% (123)
1990-915964014.9:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Delmar High School.

Since 2017-18: students up 9% (652 to 713); teachers unchanged (35 to 35).

About Delmar High School

Families in Delmar, Delaware, are served by Delmar High School, a small high school. The school serves 713 students in grades 9 through 12 in 2024-25. For comparison, high schools in Delaware average about 1,068 students.

Within Delmar School District, Delmar High School is one of 2 schools. The district enrolls 1,445 students.

Delmar High School's enrollment is 58% White. The next largest groups are 16% Black, 15% Hispanic, 6% multiracial, and 4% Asian. In Sussex County overall, about 74% of residents are White. The chance that two students picked at random at Delmar High School belong to different racial or ethnic groups, known as the diversity index, is 61%.

Its teaching staff equals 35 full-time positions, a ratio of 20.4:1. For comparison, high schools in Delaware average 16.6:1.

Recent Census Bureau figures for Sussex County show that median household income is about $81,497, 33% of adults hold a bachelor's degree or higher, and about 8% of people live in poverty. Federal data list 55 public schools in Sussex County, with a combined enrollment of about 32,366.

Delmar Middle School is located less than a tenth of a mile from Delmar High School. Other public schools within five miles: 2.

Delmar High School falls in the Suburb: Small locale category, used for schools in a suburban area outside a principal city, within an urbanized area with a population under 100,000.

Delmar High School saw enrollment rise 14% between 2020-21 and 2024-25. The ratio was 17.4:1 in 2020-21 and 20.4:1 in 2024-25.

To ask about school safety, transportation, and start times, start a discussion on this page. Posting is open to anyone connected to the school.

Sussex County at a glance

View full county profile
Population
255,626
Census ACS
Median income
$81,497
Household, ACS
Bachelor's+
33%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
55
32,366 students

Quick facts

School name
Delmar High School
District
Delmar School District
Address
200 North Eighth Street, Delmar, DE 19940
Phone
(302) 846-9544
County
Sussex County
Level
High
Grade range
09–12
Total enrollment
713
Teachers (FTE)
35
Student–teacher ratio
20.4:1
Locale
23-Suburb: Small
NCES ID
100027000080
Charter school
No
Virtual school
No

Related schools

Other schools in Delmar School District
Other schools in Delmar
Nearby schools

Frequently asked questions

About Delmar High School
What is the total enrollment at Delmar High School?
Delmar High School enrolls approximately 713 students in grades 09-12.
Is Delmar High School an elementary, middle, or high school?
Delmar High School is a high school covering grades 09-12.
How many students per teacher at Delmar High School?
Approximately 20.4:1 students per teacher at Delmar High School.
How diverse is Delmar High School?
Delmar High School reports a student body of 58% White, 15% Hispanic, 16% Black, 4% Asian, 6% Two or more.
Who oversees Delmar High School?
Delmar High School is overseen by Delmar School District in Sussex County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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