Seaford Senior High School is an American public high school in Seaford, Delaware. The school's attendance area includes the towns of Seaford, Blades, and a small portion of Bridgeville.
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 (2026)
- Grades: 9-12
- Enrollment: 960 students
- Student-Teacher Ratio: 21:1
- Minority Enrollment: 76%
- Graduation Rate: 74% (Btm 50% in DE)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 10-14% (Btm 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), DE Dept. of Education
Top Rankings
Seaford Senior High School ranks among the top 20% of public schools in Delaware for:
Category
Attribute
Diversity
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)
(No virtual instruction)
Total Students
960 students
Total Classroom Teachers
45 teachers
Year Founded
1966
Colors
Blue, Gold
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.
Overall Testing Rank
#163 out of 199 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
10-14%
31%
Reading/Language Arts Test Scores (% Proficient)
25-29%
42%
Science Test Scores (% Proficient)
10-14%
21%
Student-Teacher Ratio
21:1
15:1
American Indian
n/a
n/a
Asian
1%
5%
Hispanic
30%
20%
Black
39%
31%
White
24%
38%
Hawaiian
n/a
n/a
Two or more races
6%
6%
All Ethnic Groups
Graduation Rate
74%
88%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
37%
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: Blue Jays
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 Cape Henlopen High School, Laurel Senior 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%.
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.
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