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A−

William Floyd High School

PublicHighGrades 9–12

240 Mastic Beach Rd, Mastic Beach, NY 11951 · (631) 874-1660 · Part of William Floyd Union Free School District

Brookhaven’s School Grade B better than 62% of New York school districts

Directions
Students
3,107
Students per teacher
14:1
Free or reduced lunch
51%
Setting
Suburb
Grades
9–12
The gist

What stands out about William Floyd High School

  • Its own letter, A−: reading and math results near the top of New York’s public schools
  • Math proficiency 9 pts above the state
  • Reading / language arts 24 pts above the state
  • Enrollment up 9.8% since 2020–21

Test scores

2020–21
Math proficiency65%
State average 56.1%
Reading / language arts87%
State average 62.6%

Its own letter, A−, places these results among New York’s 4,095 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

240 Mastic Beach Rd, Mastic Beach

Students

Enrollment by grade
Grade 9700
Grade 10736
Grade 11800
Grade 12816
Ungraded55
Enrollment over time
2,830’20
2,921’21
3,013’22
3,123’23
3,107’24

Up 9.8% since 2020–21.

Who goes here
Hispanic 48%White 28%Black 17%Two or more races 5%Asian 2%Native Hawaiian/Pacific Islander <1%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about William Floyd High School from Brookhaven families.

Other schools in William Floyd Union Free School District

The district →
Moriches Elementary School
Elementary · Grades K–5 · Moriches
B−
861 students15:1
Nathaniel Woodhull Elementary School
Elementary · Grades K–5 · Shirley
C+
812 students14:1
John S Hobart Elementary School
Elementary · Grades K–5 · Shirley
C
796 students13:1
Tangier Smith Elementary School
Elementary · Grades K–5 · Mastic Beach
C+
770 students15:1
William Floyd Elementary School
Elementary · Grades K–5 · Shirley
C+
757 students13:1
William Floyd Learning Center
Elementary · Grades K–5 · Shirley
D−
81 students7:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against New York’s other public schools; Brookhaven’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.