Seaford Senior High School

Seaford Senior High School is a secondary school of mid-sized scale in Seaford, Delaware, part of Seaford School District, instructing 960 students in grades 9 through 12.

Across the 7 schools in Seaford School District (3,580 students total), Seaford Senior High School accounts for its share of the district's footprint.

For racial and ethnic makeup, Seaford Senior High School shows that the largest single group is Black at 39%, but no single group is in the majority. The remainder is composed of 30% Hispanic, 24% White, 6% multiracial. By comparison, Sussex County as a whole is about 10% Black, so the school skews meaningfully more Black than its surroundings.

Looking at the economic backdrop, The school lists 45 full-time-equivalent teachers, for a student-teacher ratio near 21.3:1. The state averages around 16.6:1, so this campus is higher than the state norm typical.

In the area at large, ACS estimates for Sussex County put the typical household earns roughly $81,497 per year, about 33% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 8%. In all, Sussex County runs 55 public schools (combined enrollment of about 32,366 students), of which Seaford Senior High School is one.

Nearest neighbor: Seaford Central Elementary School, around 0.1 miles off. Counting just inside five miles, 7 other public schools cluster around Seaford Senior High School.

The school occupies a small-town site.

Over the past 7-year window. Over the past 7-year window, the student count climbed 21%: 795 students in 2018 compared to 960 in 2025. The White share of enrollment contracted from 35% to 24% over that span. Class-load math has rose: from 13.5:1 in 2018 to 21.3:1 in 2025.

Within the allk12 community for this school, posts here usually surface around school events, parent volunteer needs, and clubs. Members of the school community can share what they know.