High school (grades 9-12) · Mastic Beach, NY

William Floyd High School

Federal NCES profile for William Floyd High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 361869004672
0/100100/10048/100
👥 S:T ratio
43
📚 AP courses
80
🌟 Gifted program
30
🎓 Counselors
38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

William Floyd High School earns 48/100 on the Resource Investment Index, with class sizes larger than 82% of New York schools. It is also one of the largest schools in New York.

#1 of 3
public schools in Mastic Beach · Resource Index
48
Resource Index · Typical
14.3:1
large classes for New York
52.9%
free-lunch eligible

William Floyd High School has class sizes larger than 82% of New York schools. Computed live against every New York school reporting to NCES.

By Resource Investment Index, William Floyd High School ranks #1 of 3 public schools in Mastic Beach, NY.

Enrollment

3,107

New York · 2024-25 NCES data

Teachers (FTE)

217.0

Federal CCD staff survey

Students per teacher

14.3:1

vs 11.8:1 New York avg

+21% vs state

Free-lunch eligible

52.9%

vs 56.2% New York avg

-6% vs state

Student-teacher ratio in context

How William Floyd High School compares with New York and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at William Floyd High School

William Floyd High School is a higher-need, large high school in Mastic Beach, New York, enrolling 3,107 students.

Class loads run somewhat heavier than typical: 14.3:1 puts it in the larger third of New York schools by student-teacher ratio.

Its free-meal eligibility rate of 52.9% lands close to the New York typical range, neither a high- nor low-need campus by this measure.

By headcount it is one of the larger campuses in New York, bigger than 99% of state schools at 3,107 students.

Its Resource Investment Index sits near the middle of the pack among 4,801 scored New York schools.

Against 23 statewide peers matched on enrollment and economic need, it ranks mid-pack at #17.

Its student body is led by Hispanic or Latino (48%) and White (28%), more mixed than most schools in the state (diversity index 66/100).

On the academic-pipeline side it reports 16 Advanced Placement courses.

Counselor coverage runs a bit thin, about 311 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.

William Floyd Union Free School District also operates William Floyd Middle School (1,124 students) and William Paca Middle School (1,078 students) alongside William Floyd High School.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How William Floyd High School compares

William Floyd High School on the metrics families compare, against New York and U.S. means.

Metric This school vs New York New York avg U.S. avg
Students per teacher 14.3:1 ▲ 21% 11.8:1 15.7:1
Free-lunch eligible 52.9% ▼ 6% 56.2% 51.7%
Enrollment 3,107 top 1% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

14.3:1
Leaner classes than 54% of US schools, a middle-of-the-pack class size.
3,107
Bigger than 99% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
52.9%
free-lunch eligible - 6% below the New York average of 56.2%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.3:1
students per teacher - 21% above state mean
Top 82% in New York - lower ratio than 18% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$26,177
per pupil, district-wide - below New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors10.0 FTE
Per 311 students, the combined health-and-guidance staffing load for this school.
Discipline context
319
in-school suspensions + 255 out-of-school
Suspension rate: 10.3 per 100 students. Combined in-school and out-of-school rate: 18.5 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

Hispanic or Latino 47.9%
White 27.9%
African American 16.6%
Two or More 4.7%
Asian 2.3%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%

Largest group: Hispanic or Latino at 47.9% of enrollment.

Student-body diversity index 66.2/100

Simpson diversity index - at 66.2, William Floyd High School is more mixed than the New York school average of 45.5.

Programs

AP courses offered 16

Funding & spending

District-wide per-pupil expenditure for William Floyd Union Free School District, which includes William Floyd High School.

$26,177
Per student
-1%
vs New York
Avg $26,410
+58%
vs U.S.
Avg $16,593
Revenue mix
Local 32.8%
State 56.4%
Federal 10.8%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How William Floyd High School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
William Floyd Middle School Smaller Similar economic need Lower S:T ratio
William Paca Middle School Smaller Similar economic need Lower S:T ratio
Moriches Elementary School Smaller Similar economic need Similar S:T ratio
Nathaniel Woodhull Elementary School Smaller Similar economic need Higher S:T ratio
John S Hobart Elementary School Smaller Similar economic need Similar S:T ratio

Comparisons are relative to William Floyd High School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

William Floyd Union Free School District · 5 sibling schools

View district profile

Similar high schools statewide

Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on William Floyd High School's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about William Floyd High School

How many students attend William Floyd High School?

William Floyd High School has 3,107 students enrolled. It is a high school in Mastic Beach, NY.

What is the student-teacher ratio at William Floyd High School?

The student-teacher ratio at William Floyd High School is 14.3:1, which is 21% higher than the New York average of 11.8:1 and 9% lower than the national average of 15.7:1.

What percentage of students receive free lunch at William Floyd High School?

52.9% of students at William Floyd High School are eligible for free lunch, compared to the New York average of 56.2%.

What is the racial and ethnic makeup of William Floyd High School?

The largest demographic group at William Floyd High School is Hispanic or Latino at 47.9% of enrollment, in Mastic Beach, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.2/100.

What is the Resource Investment Index for William Floyd High School?

William Floyd High School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).

How does William Floyd High School rank among public schools in Mastic Beach?

By Resource Investment Index, William Floyd High School ranks #1 of 3 public schools in Mastic Beach, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mastic Beach on the city page.

Is William Floyd High School a good school?

William Floyd High School earns 48/100 on the Resource Investment Index, with class sizes larger than 82% of New York schools. It is also one of the largest schools in New York. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in William Floyd Union Free School District?

Besides William Floyd High School, William Floyd Union Free School District also operates William Floyd Middle School (1,124 students), William Paca Middle School (1,078 students), and Moriches Elementary School (861 students). See the William Floyd Union Free School District district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.