Seaford Senior High School in Seaford, NY

At a glance

Reported students

650

NCES CCD 2024–25

Teachers (FTE)

67.22

NCES CCD 2024–25

Student–teacher ratio

9.7:1

Calculated; not a class-size measure

Grades served

09–12

NCES preliminary directory 2025–26

New York high enrollment

68th percentile

Compared with 1,188 same-level schools reporting enrollment.

District median enrollment

533

Seaford Senior High School: 650 reported students.

State peer staffing position

30th percentile

9.7:1 reported; state peer median 10.8:1. Ratio is not class size.

Historical enrollment and staffing · CRDC 2021–22

These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.

Students: 666
Teachers (FTE): 68
Student–teacher ratio: 9.8:1

What the reported data says about Seaford Senior High School

Seaford Senior High School is a public high school serving grades 09–12 in Seaford. It is one of 4 current school records connected to Seaford Union Free School District. NCES reports 650 students for 2024–25.

Among 1,188 high schools in New York with comparable records, this school is larger than the reported median of 460 students. Its enrollment is at approximately the 68th percentile for that peer group. Size describes the campus, not instructional quality.

The reported student–teacher ratio is 9.7:1, below the New York median of 10.8:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.

The largest reported race and ethnicity groups are White (82%) and Hispanic or Latino (11.4%). English learners represent 0.6% of enrollment. Students served under IDEA represent 9.3%. These figures help families understand who the school serves; they are not rating inputs.

The 2021–22 civil-rights collection reports AP student enrollment, computer science. The school reported 22 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.

Questions worth asking Seaford Senior High School

1How do the reported 9.7:1 student–teacher ratio and 67.22 teacher FTE translate into actual class sizes by grade?
2Have the reported academic programs changed since the 2021–22 CRDC collection?
3What counseling support is available today? The school reported 4 counselor FTE in 2021–22.
4What meal assistance, transportation, after-school, and family-support services are currently available?

Bring the full school visit checklist →

Enrollment needs

English learners: 0.6%
Students with disabilities: 9.3%
Free/reduced-price lunch: 14.6%
Lunch program: Yes participating without using any Provision or the CEO

Reported support staff

Counselors (FTE): 4
Nurses (FTE): 1
Psychologists (FTE): 2
Social workers (FTE): 0

CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.

Student demographics

Race and ethnicity share of reported enrollment

White82%
Hispanic11.4%
Black1.2%
Asian4.3%
American Indian / Alaska Native0%
Native Hawaiian / Pacific Islander0%
Multiracial1.1%

Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.

Programs reported by the school

AP student enrollment

Students enrolled

22 distinct courses reported

Gifted and talented

Not reported as offered

Computer science

Offered

CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.

Start with campuses at the same school level or with similar reported enrollment.

Seaford Harbor School

Elementary · Grades KG–05

544 reported students

Seaford Middle School

Middle · Grades 06–08

522 reported students

Seaford Manor School

Elementary · Grades KG–05

468 reported students

View all 4 district schools →

Public schools near Seaford Senior High School

Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.

School	Grades	Students	Distance
Wantagh Senior High School High · Wantagh Union Free School District	09–12	826	1.1 mi
Gen Douglas Macarthur Senior High School High · Levittown Union Free School District	09–12	1,295	1.4 mi
Plainedge Senior High School High · Plainedge Union Free School District	09–12	856	1.4 mi
Massapequa High School High · Massapequa Union Free School District	09–12	1,407	2.4 mi
Island Trees High School High · Island Trees Union Free School District	09–12	701	2.5 mi
Wellington C Mepham High School High · Bellmore-Merrick Central High School District	09–12	1,211	2.7 mi

Compare all 5 public schools in Seaford, NY →

Frequently asked questions about Seaford Senior High School

What grades does Seaford Senior High School serve?

Seaford Senior High School reports grades 09–12 in the NCES 2025–26 preliminary directory. It is classified as a high school in Seaford Union Free School District.

How many students attend Seaford Senior High School?

Seaford Senior High School reported 650 students in the NCES 2024–25 membership file. That places it near the 68th percentile among 1,188 New York high schools reporting enrollment. The 2021–22 civil-rights collection recorded 666 students.

What is the student–teacher ratio at Seaford Senior High School?

The calculated ratio is 9.7:1, based on 650 students and 67.22 full-time-equivalent classroom teachers in 2024–25. The New York median for the same school level is 10.8:1. A ratio is not the same as average class size.

Is Seaford Senior High School a public, charter, or magnet school?

Seaford Senior High School is a public school and is not a charter school. Enrollment is generally based on Seaford Union Free School District attendance boundaries and transfer rules.

What share of Seaford Senior High School students qualify for free or reduced-price meals?

14.6% of students were eligible for free or reduced-price lunch in 2024–25. This describes the students served and is not a quality measure.

Which school district is Seaford Senior High School in?

Seaford Senior High School is part of Seaford Union Free School District, based in Seaford, NY, which operates 4 current schools. Confirm attendance zones and enrollment rules with the district.

What public schools are near Seaford Senior High School?

The closest public schools by straight-line distance include Wantagh Senior High School (1.1 mi), Gen Douglas Macarthur Senior High School (1.4 mi), Plainedge Senior High School (1.4 mi). Distance does not determine eligibility; attendance boundaries and program rules do.