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Average

#3152 of 4,739 schools in NY

William Floyd High School

High School · WILLIAM FLOYD UNION FREE SCHOOL DISTRICT

240 MASTIC BEACH RD, Mastic Beach, NY 11951

Enrollment

3,123

Student-Teacher

14:1

Score

5.7

Grades

9th – 12th

Updated 2022-23

How this school compares

In Mastic Beach

#3 of 3

public schools

New York high schools

#842 of 1,160

In district

#8 of 9

WILLIAM FLOYD UNION FREE SCHOOL DISTRICT

Academic performance

8.5 / 10

Exceptional

About William Floyd High School

William Floyd High School serves 3,123 students in grades 9-12 in Mastic Beach, making it one of the larger high schools on Long Island. With 223 full-time equivalent teachers, the school maintains a reasonable 14:1 student-teacher ratio that allows for more personalized attention than many large schools can offer. The school currently holds a MySchoolScout rating of 4.0 out of 10 and ranks in the 26th percentile among New York high schools, indicating significant room for academic growth.

As a regular public school in Suffolk County, William Floyd serves a diverse student population with varying educational needs and backgrounds. The surrounding Mastic Beach community reflects a mixed economic profile, with a median household income of $99,040 and median home values around $296,500. However, the area also faces challenges, including a poverty rate of 17.4% and relatively low college attainment rates, with only 19% of residents holding bachelor's degrees or higher.

Located in a large suburban setting, William Floyd High School sits in a community of nearly 15,000 residents along Long Island's South Shore. The school serves families in an area that balances suburban convenience with the economic realities of a working-class community, providing educational opportunities for students from varied socioeconomic backgrounds.

What's said publicly about William Floyd High School

Sources: School's website Wikipedia

Synthesized from public, attributable sources. Updated April 2026.

The William Floyd Union Free School District is located in Suffolk County, New York, serving communities including Mastic Beach, Shirley, Mastic, and Moriches 2 . Named after Declaration of Independence signer William Floyd, the district is one of the largest on Long Island, with an enrollment of 8,653 students as of 2016 2 . The district operates five elementary schools, two middle schools, and William Floyd High School 2 . At the high school level, the Business Academy hosts an annual Career Café where students meet industry professionals 1 . The school also features a Literary Magazine and Art Honor Society that present an annual Coffee House and Art Auction, which includes live performances and student artwork 1 . Additionally, the district offers summer enrichment programs, including sports camps for grades 1-12 and a music program for students to continue their development 1 .
Sources (2)
  1. www.wfsd.k12.ny.us
  2. en.wikipedia.org
Generated by AI from public sources. Every claim is grounded in a cited source. Report inaccuracy

What Parents Should Know

William Floyd High School is a large school with 3,123 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress6.1Above Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-1.5 pts/yr
Data Period2019–2021
TrendDeclining
Academics8.5Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency65%
Reading/ELA Proficiency87%
Overall Proficiency76%
Expected (poverty-adj.)58%
vs. Expected+18.4 pts
Adjusted Percentile77th
College Readiness3.9Fair30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation11.4%
IB ProgramNo
Resources & Environment4.6Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio14:1
Per-Pupil Spending$26,627

William Floyd High School — Students at William Floyd High School score 76% proficient, which is above what's typical for similar communities (expected: 58%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

53.3%

Students qualifying for federal meal assistance

Test Scores NY EDFACTS (2020-21)

Math Proficiency 66.0%
School
State
N/A
ELA Proficiency 89.0%
School
State
N/A

Based on 4 test records from NY state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
67%
ELA
91%
2021*
Math
65%
ELA
87%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 6.1/10.

How William Floyd High School Compares

See how William Floyd High School performs across key quality dimensions compared to state benchmarks.

Overall Score
5.7/10
34th percentile in NY
Academic
8.5/10
8.5/10
Growth
6.1/10
Above average
Environment
4.6/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
53%
Teaching Staff
14:1 student-teacher ratio
223 teachers

Location

240 MASTIC BEACH RD, Mastic Beach, NY 11951

Nearby Alternatives

Families considering William Floyd High School may also want to explore other high schools in the area. BELLPORT SENIOR HIGH SCHOOL (rated 7.1/10, 3.8 miles away, in nearby Brookhaven), which scores notably higher. Another option is CENTER MORICHES HIGH SCHOOL (rated 6.5/10, 2.9 miles away, in nearby Center Moriches), which scores slightly higher. Additionally, EASTPORT-SOUTH MANOR JUNIOR SENIOR HIGH SCHOOL (rated 6.1/10, 3.8 miles away, in nearby Manorville), which scores slightly higher. For more schools in Mastic Beach, see our Mastic Beach schools guide .

Nearby Schools

20 within 4.7 mi
School Distance Rating
WILLIAM PACA MIDDLE SCHOOL Mastic Beach 0.2 mi 6.3
NATHANIEL WOODHULL ELEMENTARY SCHOOL Shirley 0.2 mi 6.8
TANGIER SMITH ELEMENTARY SCHOOL Mastic Beach 0.4 mi 7.2
JOHN S HOBART ELEMENTARY SCHOOL Shirley 0.4 mi 6.7
WILLIAM FLOYD ELEMENTARY SCHOOL Shirley 0.6 mi 6.8
WILLIAM FLOYD LEARNING CENTER Shirley 0.6 mi 4.2
MORICHES ELEMENTARY SCHOOL Moriches 2.1 mi 7.2
WILLIAM FLOYD MIDDLE SCHOOL Moriches 2.7 mi 6.7
CENTER MORICHES MIDDLE SCHOOL Center Moriches 2.9 mi 6.4
CENTER MORICHES HIGH SCHOOL Center Moriches 2.9 mi 6.5
CLAYTON HUEY ELEMENTARY SCHOOL Center Moriches 3.1 mi 5.6
EASTPORT-SOUTH MANOR JUNIOR SENIOR HIGH SCHOOL Manorville 3.8 mi 6.1
DAYTON AVENUE SCHOOL Manorville 4.2 mi 8.3
BROOKHAVEN ELEMENTARY SCHOOL Brookhaven 3.3 mi 6.7
OUR LADY QUEEN OF APOSTLES REG CATHOLIC SCHOOL Center Moriches 3.5 mi 6.3
LEONARD E BURKET CHRISTIAN SCHOOL Center Moriches 4.0 mi 4.7
BELLPORT SENIOR HIGH SCHOOL Brookhaven 3.8 mi 7.1
SOUTH STREET SCHOOL Manorville 5.4 mi 8.0
EAST MORICHES ELEMENTARY SCHOOL East Moriches 4.8 mi 8.6
FRANK P LONG INTERMEDIATE SCHOOL Bellport 4.7 mi 6.0

Neighborhood Census ACS (2019-2023)

Census data for ZIP 11951 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$108,877

Median Home Value

$321,200

Median Rent

$2,313/mo

Population

15,830

College Educated

20.5%

Homeownership

81.2%

Avg Commute

37.8 min

Poverty Rate

22.2%

Median Age

38.4

Community Profile

The community surrounding William Floyd High School has a median household income of $108,877. It is a community where 21% of adults hold a bachelor's degree or higher. The median home value in the area is $321,200, with a median rent of $2,313/month. The area has a poverty rate of 22.2%, indicating some economic challenges in the community. The average commute in the area is 38 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
JOHN BOWNE HIGH SCHOOL Flushing, NY 5.7
FRANKLIN DELANO ROOSEVELT HIGH SCHOOL Brooklyn, NY 5.8
FREEPORT HIGH SCHOOL Freeport, NY 5.8
NIAGARA FALLS HIGH SCHOOL Niagara Falls, NY 5.5
RIVERHEAD SENIOR HIGH SCHOOL Riverhead, NY 5.5
THOMAS A EDISON CAREER AND TECHNICAL EDUCATION HIGH SCHOOL Jamaica, NY 5.9

Frequently Asked Questions

Common questions about William Floyd High School

What grades does William Floyd High School serve?

William Floyd High School serves students in grades 9th through 12th.

How many students attend William Floyd High School?

William Floyd High School has an enrollment of approximately 3,123 students.

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

The student-teacher ratio at William Floyd High School is 14:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does William Floyd High School rank in NY?

William Floyd High School is ranked #3152 out of 4,739 schools in NY.

What is William Floyd High School's MySchoolScout rating?

William Floyd High School has a composite rating of 5.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at William Floyd High School?

Based on the most recent state assessment data, William Floyd High School has 66.0% math proficiency and 89.0% reading/ELA proficiency.

Is William Floyd High School a charter school?

No, William Floyd High School is not a charter school. It is a traditional public school operated by the local school district.

Is William Floyd High School a Title I school?

No, William Floyd High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for William Floyd High School?

53.3% of students at William Floyd High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
37 Car-Dependent
Bike Score
40 Somewhat Bikeable
County Safety
Low (3/100K)

Powered by Walk Score

FBI UCR 2024. County-level only. Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
3,123
Student-Teacher Ratio
14:1
Teachers (FTE)
223
Free/Reduced Lunch
53.3%
Type
regular
Setting
Large Suburb
County
Suffolk County
Data Year
2023–2024

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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