William Floyd High School
Mastic Beach, NY · William Floyd Union Free School District
Regular public school · Grades 9-12 · Suburb, large
825th of 1,137 New York high schools statewide · better than 27%▼ Declining
240 MASTIC BEACH RD, Mastic Beach, NY 11951
(631)874-1660NCES ID 361869004672Directory 2023–24
SchoolRow ranks William Floyd High School 825th of 1,137 New York high schools for 2024–25, based on NYSED 3-8 assessments 2024–25; high schools: Regents 65+ rate English and Math results — better than 27% of high schools statewide. Its statewide percentile went from 49th in 2022 to 27th in 2025 — declining.
Percent meeting or exceeding the state standard, NYSED 3-8 assessments 2024–25; high schools: Regents 65+ rate
Racial and ethnic breakdown of 3,123 students (2023–24, NCES) — history since 1988, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 16.7% | 44.3% | ▲ 27.6 pts | |
| White | 66.3% | 31.2% | ▼ 35.1 pts | |
| Black | 14.0% | 16.9% | ▲ 2.9 pts | |
| Two or more races | 0.0% | 4.5% | ▲ 4.5 pts | |
| Asian | 2.2% | 2.3% | ▲ 0.1 pts | |
| American Indian | 0.8% | 0.3% | ▼ 0.5 pts |
NCES history for this school begins in 1988. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than William Floyd High School
- #322Center Moriches High SchoolCenter Moriches Union Free School District · 2.9 mi away322nd of 1,137
ELA 98% ▲28 · Math 47% ▲24Compare - #430Eastport-South Manor Junior Senior High SchoolEastport-South Manor CSD · 3.7 mi away430th of 1,137
ELA 59% ▼11 · Math 74% ▲51Compare - #626Bellport Senior High SchoolSouth Country Central School District · 3.8 mi away626th of 1,137
ELA 74% ▲4 · Math 38% ▲15Compare - #345Longwood High SchoolLongwood Central School District · 7 mi away345th of 1,137
ELA 89% ▲19 · Math 53% ▲30Compare - #393Patchogue-Medford High SchoolPatchogue-Medford Union Free School District · 7.5 mi away393rd of 1,137
ELA 78% ▲8 · Math 58% ▲35Compare - #289Sachem High School EastSachem Central School District · 9.5 mi away289th of 1,137
ELA 89% ▲19 · Math 61% ▲38Compare - #278Westhampton Beach Senior High SchoolWesthampton Beach Union Free School District · 10.8 mi away278th of 1,137
ELA 90% ▲20 · Math 61% ▲38Compare - #106Bayport-Blue Point High SchoolBayport-Blue Point Union Free School District · 11 mi away106th of 1,137
ELA 91% ▲21 · Math 82% ▲59Compare
What school district is William Floyd High School in?
William Floyd High School is part of the William Floyd Union Free School District district in Mastic Beach, New York.
Is William Floyd High School a good school?
SchoolRow ranks William Floyd High School 825th of 1,137 New York high schools (better than 27% statewide) based on 2024–25 test results (NYSED 3-8 assessments 2024–25; high schools: Regents 65+ rate).
What is the racial makeup of William Floyd High School?
Hispanic 44%, White 31%, Black 17%, Two or more races 5% (3,123 students, 2023–24).
Sources: state education department data (NYSED 3-8 assessments 2024–25; high schools: Regents 65+ rate, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.