Seaford Senior High School
🇺🇸 Official data · 2025Seaford, Delaware 19973 · Seaford School District
#34 of 34 high schools in Delaware
#16763 of 16,910 nationally
About Seaford Senior High School
Seaford Senior High School is a public high located in Seaford, in the Seaford School District school district of Delaware, United States. It caters for Grades 9–12. In 2025 it enrolled 960 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 7.3 out of 100, placing it in the lower 50% of high schools in United States and 34th of 34 ranked high schools in Delaware. Its strongest component is students per teacher (13th percentile), and its weakest is math proficiency (5th percentile).
Other published figures: enrollment 960.
There are 6 schools in Seaford; Seaford Senior High School ranks 5th of 6 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)7.5%
- Reading proficiency (30%)22%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)21.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Seaford Senior High School by the official sources.
- Enrollment
- 960
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 21.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 22%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 7.5%
- Share of tested students proficient or above (all students, all grades).
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Schools near Seaford Senior High School
Closest schools by straight-line distance, with their Success Index (US).
Seaford Central Elementary School
Seaford · Public elementary · Grades 3–5
473 students · 228 m away
Seaford Middle School
Seaford · Public middle · Grades 6–8
800 students · 396 m away
Frederick Douglass Elementary School
Seaford · Public elementary · Grades 3–5
456 students · 1.1 km away
West Seaford Elementary School
Seaford · Public elementary · Grades K–2
424 students · 1.9 km away
Sussex Montessori School
Seaford · Charter elementary · Grades K–6
383 students · 2.4 km away
Blades Elementary School
Blades · Public elementary · Grades K–2
410 students · 2.4 km away
Woodbridge Middle School
Bridgeville · Public middle · Grades 6–8
596 students · 9.8 km away
North Laurel Early Learning Academy
Laurel · Public elementary · Grades PK–K
273 students · 11 km away
Phillis Wheatley Elementary School
Bridgeville · Public elementary · Grades 3–5
644 students · 11 km away
Laurel Elementary School
Laurel · Public elementary · Grades 1–6
1,145 students · 12 km away
Similar schools
Public high schools in Delaware with a comparable Enrollment.
Lake Forest High School
Felton · Public high · Grades 9–12
951 students
Calloway (Cab) School of the Arts
Wilmington · Public high · Grades 6–12
941 students
Concord High School
Wilmington · Public high · Grades 9–12
994 students
McKean (Thomas) High School
Wilmington · Public high · Grades 9–12
920 students
Glasgow High School
Newark · Public high · Grades 9–12
908 students
Brandywine High School
Wilmington · Public high · Grades 9–12
897 students
Frequently asked questions
Is Seaford Senior High School a good school?
Seaford Senior High School has a Success Index (US) of 7.3 out of 100 (Lower 50% of high schools in United States) and ranks #34 of 34 in Delaware. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Seaford Senior High School rank in Delaware?
Seaford Senior High School ranks #34 of 34 high schools in Delaware and #16763 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Seaford Senior High School?
Seaford Senior High School had 960 students in 2025.
Is Seaford Senior High School a elementary school or a high school?
Seaford Senior High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Seaford Senior High School?
There are 10 schools within 15 km of Seaford Senior High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.