Seaford Senior High School
Public
High Grades 9–12 A+School Grade
Part of Seaford Union Free School District
1575 Seamans Neck Rd, Seaford, NY 11783 · (516) 592-4380
Community ratings
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Academic performance
Math proficiency97.5%
State average 56.1%
Reading / language arts97.5%
State average 62.6%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
650Students enrolled
10:1Student–teacher ratio
15%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 9149
Grade 10169
Grade 11166
Grade 12156
Ungraded10
Students
White · 82%533
Hispanic · 11%74
Asian · 4%28
Black · 1%8
Two or more races · 1%7
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
694’20
666’21
658’22
668’23
650’24
Location
1575 Seamans Neck Rd Seaford
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.