Seaford Senior High School

Contact Information

Principal

Dr. Susan Harrison

Address

399 North Market Street Ext
Seaford, DE 19973

Phone

(302) 629-4587

District

Seaford School District

Title IX Coordinator

Gary Zoll

Title IX Phone

(302) 629-4587
School Website
Visit the district registration page
Mission Statement

Enrollment and Demographics

Enrollment: 917 (as of  September 30, 2025)

Enrollment by race and ethnicity
Group Percentage
Black40.02%
Hispanic32.06%
White21.16%
Multiracial5.78%
Asian0.65%
Native American0.22%
Pacific Islander0.11%

Student Characteristics

Low Income
34.02%
Students with Disabilities
17.12%
English Learners
27.7%
Homeless
3.93%

Academic Performance (2024-2025)

21.57%

English Language Arts Proficiency
Smarter Assessment (Grades 3-8) & SAT (Grade 11)

3.92%

Mathematics Proficiency
Smarter Assessment (Grades 3-8) & SAT (Grade 11)

Advanced Placement

AP courses offered and exam pass rates by school year
School year AP subjects offered Students & courses Test subjects Exams taken Exams passed Pass rate
2021–2022816191011918.81%
2022–202361318752634.67%
2023–202461575712839.44%

Advanced Placement courses and exam outcomes — 2023–2024 school year (most recent)

Graduation Rates

76.62%

4-Year Graduation Rate
Class of 2024

74.8%

5-Year Graduation Rate
Class of 2023

59.54%

6-Year Graduation Rate
Class of 2022

Graduates enrolling in college 4330.94% Percent of graduates enrolling in college — 2021 cohort

Graduate College Enrollment (% of Graduates)

Percent of graduates enrolling in college — 2021 cohort

* Not reported by DOE to protect student privacy (too few students in the group).

Percent of graduates enrolling in college by institution type
Institution type % of graduates Graduates
Delaware Public College27.34%38
Non-Delaware Public College**
Delaware Private College**
Non-Delaware Private College**

60.65%

College and/or Career Ready
Class of 2024

Indicators include: Advanced Placement (AP), International Baccalaureate (IB), SAT Essay, Dual Enrollment, ASVAB, Multi-Literacy, Industry Recognized Credentials, and Work-Based Learning programs.

Data Note: All data sourced from Delaware Department of Education ESSA API. Performance metrics, enrollment, and demographics are from the 2024-2025 school year. Visit the full Delaware Report Card for the most up-to-date information and the Data Dictionary for explanations of all metrics.