WILLIAM FLOYD HIGH SCHOOL

WILLIAM FLOYD HIGH SCHOOL is one of the big 9-12 campuss in MASTIC BEACH, New York, run under WILLIAM FLOYD UNION FREE SCHOOL DISTRICT, with 3,107 students on its rolls from grades 9 through 12. By comparison, New York's public schools average about 668 students each, so WILLIAM FLOYD HIGH SCHOOL sits 365% above that benchmark.

Within WILLIAM FLOYD UNION FREE SCHOOL DISTRICT, which oversees 9 schools and 9,386 students, WILLIAM FLOYD HIGH SCHOOL is one campus in the system.

On demographics, WILLIAM FLOYD HIGH SCHOOL shows that the most-represented group is Hispanic (48%), with the rest of the student body spread across multiple groups. The remainder consists of 28% White, 17% Black, 5% multiracial, 2% Asian. The wider county runs roughly 23% Hispanic, putting the school's mix meaningfully more Hispanic than the area baseline.

Looking at school resources, The school lists 223 full-time-equivalent teachers, for a student-teacher ratio near 13.9:1. The state averages around 11.0:1, so this campus is higher than the state norm typical. Roughly 51% of students at WILLIAM FLOYD HIGH SCHOOL qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Suffolk County runs at roughly 39%, so the school's eligibility rate is somewhat above the surrounding baseline.

On a demographically-adjusted basis, WILLIAM FLOYD HIGH SCHOOL sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 56.3%; this one delivers 41.7%.

Zooming out to the county, census data for Suffolk County shows the typical household earns roughly $130,686 per year, roughly 40% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. WILLIAM FLOYD HIGH SCHOOL is one of 343 public schools in Suffolk County (combined enrollment of about 222,439 students).

Nearest neighbor: NATHANIEL WOODHULL ELEMENTARY SCHOOL, around 0.2 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts WILLIAM FLOYD HIGH SCHOOL at 6th of 8; the average score across the group is 43.3%.

WILLIAM FLOYD HIGH SCHOOL operates from a residential location.

Over the past 7-year window. Over the past 7-year window, the student count increased 13%: 2,745 students in 2018 compared to 3,107 in 2025. Over the same period, the White share fell from 52% to 28%.

On the community side, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.