Serving 668 students in grades 9-12, Seaford Senior High School ranks in the top 5% of all schools in New York for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 90-94% (which is higher than the New York state average of 46%). The percentage of students achieving proficiency in reading/language arts is 80-89% (which is higher than the New York state average of 49%).
The student:teacher ratio of 10:1 is lower than the New York state level of 11:1.
Minority enrollment is 19% of the student body (majority Hispanic), which is lower than the New York state average of 60% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 668 students
- Student:Teacher Ratio: 10:1
- Minority Enrollment: 19%
- Graduation Rate: ≥95% (Top 10% in NY)
- Overall Testing Rank: Top 5%
- Math Proficiency: 90-94% (Top 10%)
- Reading Proficiency: 80-89% (Top 10%)
- Science Proficiency: ≥95% (Top 5%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Seaford Senior High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Seaford Senior High School's student population of 668 students has stayed relatively flat over five school years.
The teacher population of 67 teachers has grown by 13% over five school years.
School Mascot
Viking
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
668 students
Gender %
Total Classroom Teachers
67 teachers
Year Founded
1956
School Colors
White, Green
School Rankings
Seaford Senior High School ranks within the top 5% of all 4,377 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Seaford Senior High School is 0.33, 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
#210 out of 4377 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
90-94%
46%
Reading/Language Arts Test Scores (% Proficient)
80-89%
49%
Science Test Scores (% Proficient)
≥95%
78%
Student : Teacher Ratio
10:1
11:1
American Indian
n/a
1%
Asian
5%
10%
Hispanic
12%
30%
Black
1%
16%
White
81%
40%
Hawaiian
n/a
n/a
Two or more races
1%
3%
All Ethnic Groups
Graduation Rate
≥95%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
12%
54%
Eligible for Reduced Lunch
2%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Seaford Senior High School's ranking?
Seaford Senior High School is ranked #210 out of 4,377 schools, which ranks it among the top 5% of public schools in New York.
What schools are Seaford Senior High School often compared to?
Seaford Senior High Schoolis often viewed alongside schools like Wantagh Senior High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
90-94% of students have achieved math proficiency (compared to the 46% NY state average), while 80-89% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Seaford Senior High School?
The graduation rate of Seaford Senior High School is 95%, which is higher than the New York state average of 87%.
How many students attend Seaford Senior High School?
668 students attend Seaford Senior High School.
What is the racial composition of the student body?
81% of Seaford Senior High School students are White, 12% of students are Hispanic, 5% of students are Asian, 1% of students are Black, and 1% of students are Two or more races.
What is the student:teacher ratio of Seaford Senior High School?
Seaford Senior High School has a student ration of 10:1, which is lower than the New York state average of 11:1.
What grades does Seaford Senior High School offer ?
Seaford Senior High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Seaford Senior High School part of?
Seaford Senior High School is part of Seaford Union Free School District.
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