Seaford Senior High School

399 North Market Street Ext
Seaford, DE 19973
(School attendance zone shown in map)
: 
2/
10
Bottom 50%
Serving 960 students in grades 9-12, Seaford Senior High School ranks in the bottom 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 10-14% (which is lower than the Delaware state average of 31%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the Delaware state average of 42%).
The student-teacher ratio of 21:1 is higher than the Delaware state level of 15:1.
Minority enrollment is 76% of the student body (majority Black), which is higher than the Delaware state average of 62% (majority Black and Hispanic).

Quick Facts (26-27)

  • Grades: 9-12
  • Enrollment: 960 students
  • Student-Teacher Ratio: 21:1
  • Minority Enrollment: 76%
  • : 74% (Btm 50% in DE)
  • : Bottom 50%
  • : 10-14% (Btm 50%)
  • : 25-29% (Btm 50%)
  • : 10-14% (Btm 50%)
  • : Seaford Senior High School's attendance zone encompasses the entire school district, covering approximately 75.1 square miles in Seaford, DE. The typical drive to the school is around 10-12 minutes, with an average distance of 4.7 miles to the zone's edge and a maximum distance of 8.9 miles from the school.
  • Source: National Center for Education Statistics (NCES), DE Dept. of Education

School Overview

Seaford Senior High School's student population of 960 students has grown by 20% over five school years.
The teacher population of 45 teachers has declined by 13% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
Total Students
960 students

Showing 2016–2025. Full 39-year historical data available below ↓

Total Classroom Teachers
45 teachers

Showing 2016–2025. Full 39-year historical data available below ↓

Year Founded
1966

School Rankings

Seaford Senior High School ranks within the bottom 50% of all 199 schools in Delaware (based off of combined math and reading proficiency testing data).
The diversity score of Seaford Senior High School is 0.70, 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.
This School
State Level (DE)
#163 out of 199 schools
(Bottom 50%)

Showing 2013–2023. Full 14-year historical data available below ↓

10-14%
31%

Showing 2013–2023. Full 14-year historical data available below ↓

25-29%
42%

Showing 2012–2022. Full 13-year historical data available below ↓

10-14%
21%
Student-Teacher Ratio
21:1
15:1

Showing 2016–2025. Full 39-year historical data available below ↓

Asian
1%
5%

Showing 2015–2025. Full 38-year historical data available below ↓

Hispanic
30%
20%

Showing 2016–2025. Full 36-year historical data available below ↓

Black
39%
31%

Showing 2016–2025. Full 38-year historical data available below ↓

White
24%
38%

Showing 2016–2025. Full 38-year historical data available below ↓

Two or more races
6%
6%

Showing 2016–2025. Full 14-year historical data available below ↓

All Ethnic Groups
76%
0.70

Showing 2016–2025. Full 38-year historical data available below ↓

74%
88.9%

Showing 2014–2023. Full 13-year historical data available below ↓

(22-23)
41.4%
24.3%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
37%
33%

Showing 2012–2025. Full 38-year historical data available below ↓

Eligible for Reduced Lunch (12-13)
4%
5%

Showing 2004–2013. Full 15-year historical data available below ↓

School Statewide Testing
School District Name

Sports

Colors
Blue, Gold
School Mascot
Blue Jays
Source: National Center for Education Statistics (NCES), DE Dept. of Education

Frequently Asked Questions

What is Seaford Senior High School's ranking?
Seaford Senior High School is ranked #163 out of 199 schools, which ranks it among the bottom 50% of public schools in Delaware.
What schools are Seaford Senior High School often compared to?
Seaford Senior High Schoolis often viewed alongside schools like Laurel Senior High School, Cape Henlopen High School, Woodbridge High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 31% DE state average), while 25-29% of students have achieved reading proficiency (compared to the 42% DE state average).
What is the graduation rate of Seaford Senior High School?
The graduation rate of Seaford Senior High School is 74%, which is lower than the Delaware state average of 88.9%.
How many students attend Seaford Senior High School?
960 students attend Seaford Senior High School.
What is the racial composition of the student body?
39% of Seaford Senior High School students are Black, 30% of students are Hispanic, 24% of students are White, 6% of students are Two or more races, and 1% of students are Asian.
What is the student-teacher ratio of Seaford Senior High School?
Seaford Senior High School has a student ration of 21:1, which is higher than the Delaware state average of 15:1.
What grades does Seaford Senior High School offer ?
Seaford Senior High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Seaford Senior High School part of?
Seaford Senior High School is part of Seaford School District.

School Reviews

5   10/10/2025
This was 20 years ago, but I got a top notch science, history and math education while I was in high school here.
- Posted by Student/Alumni - caten

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Quick Facts (26-27)

  • Grades: 9-12
  • Enrollment: 960 students
  • Student-Teacher Ratio: 21:1
  • Minority Enrollment: 76%
  • : 74% (Btm 50%)
  • : Bottom 50%
  • : 10-14% (Btm 50%)
  • : 25-29% (Btm 50%)
  • : 10-14% (Btm 50%)
  • : Seaford Senior High School's attendance zone encompasses the entire school district, covering approximately 75.1 square miles in Seaford, DE. The typical drive to the school is around 10-12 minutes, with an average distance of 4.7 miles to the zone's edge and a maximum distance of 8.9 miles from the school.
  • Source: National Center for Education Statistics (NCES), DE Dept. of Education

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