Serving 544 students in grades Kindergarten-5, Seaford Harbor School ranks in the top 30% of all schools in New York for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 65-69% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher than the New York state average of 49%).
The student-teacher ratio of 11:1 is equal to the New York state level of 11:1.
Minority enrollment is 18% of the student body (majority Hispanic), which is lower than the New York state average of 61% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 544 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 18%
- Overall Testing Rank: Top 30% in NY
- Math Proficiency: 65-69% (Top 30%)
- Reading Proficiency: 55-59% (Top 50%)
- Science Proficiency: ≥90% (Top 30%)
- Attendance Zone: Seaford Harbor School serves the entire district of Seaford, NY, with an attendance zone that spans approximately 12.5 square miles. Most students live within a 5-10 minute drive, and the furthest edge of the zone is located about 9.5 miles from the school.
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Overview
Seaford Harbor School's student population of 544 students has stayed relatively flat over five school years.
The teacher population of 51 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-5
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
544 students
Total Classroom Teachers
51 teachers
School Calendar
School Rankings
Seaford Harbor School ranks within the top 30% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Seaford Harbor School is 0.31, which is less than the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1142 out of 4346 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
65-69%
52%
Reading/Language Arts Test Scores (% Proficient)
55-59%
49%
Science Test Scores (% Proficient)
≥90%
78%
Student-Teacher Ratio
11:1
11:1
American Indian
n/a
1%
Asian
3%
10%
Hispanic
12%
31%
Black
n/a
15%
White
82%
39%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Chronically Absent Students
(22-23)17.8%
34.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
10%
55%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Notes
- School Mascot: Vikings
Frequently Asked Questions
What is Seaford Harbor School's ranking?
Seaford Harbor School is ranked #1142 out of 4,346 schools, which ranks it among the top 30% of public schools in New York.
What schools are Seaford Harbor School often compared to?
Seaford Harbor Schoolis often viewed alongside schools like Seaford Manor School, Wantagh School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
65-69% of students have achieved math proficiency (compared to the 52% NY state average), while 55-59% of students have achieved reading proficiency (compared to the 49% NY state average).
How many students attend Seaford Harbor School?
544 students attend Seaford Harbor School.
What is the racial composition of the student body?
82% of Seaford Harbor School students are White, 12% of students are Hispanic, 3% of students are Asian, and 3% of students are Two or more races.
What is the student-teacher ratio of Seaford Harbor School?
Seaford Harbor School has a student ration of 11:1, which is equal to the New York state average of 11:1.
What grades does Seaford Harbor School offer ?
Seaford Harbor School offers enrollment in grades Kindergarten-5 (Supplemental Virtual).
What school district is Seaford Harbor School part of?
Seaford Harbor School is part of Seaford Union Free School District.
School Reviews
Review Seaford Harbor School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
The First Six Weeks at a New Public School
The first six weeks reveal how children are adapting to a new public school. Learn which academic, social, emotional, attendance, and routine signals parents should monitor closely.
Will Your Child Receive Enough Individual Attention? Looking Beyond Student-Teacher Ratios
Student-teacher ratios reveal only part of a school’s story. Learn how families can evaluate class size, staffing, teacher access, tutoring, feedback, and personalized support for children today.
What Families Should Ask About AI Use in Public Schools
Families need clear answers about classroom AI. Learn what to ask public schools about teaching, academic integrity, privacy, teacher oversight, equity, and student learning before concerns arise.
