William Floyd High School
🇺🇸 Official data · 2025Mastic Beach, New York 11951 · William Floyd Union Free School District
#504 of 1,079 high schools in New York
#2306 of 16,910 nationally
About William Floyd High School
William Floyd High School is a public high located in Mastic Beach, in the William Floyd Union Free School District school district of New York, United States. It caters for Grades 9–12. In 2025 it enrolled 3,107 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 74.2 out of 100, placing it in the top 25% of high schools in United States and 504th of 1,079 ranked high schools in New York. Its strongest component is reading proficiency (94th percentile), and its weakest is community advantage (fewer free/reduced-price lunch) (50th percentile).
Other published figures: enrollment 3,107.
There are 3 schools in Mastic Beach; William Floyd High School ranks 1st of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)67%
- Reading proficiency (30%)91%
- Community advantage (fewer free/reduced-price lunch) (25%)50.9%
- Students per teacher (15%)13.9
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for William Floyd High School by the official sources.
- Enrollment
- 3,107
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 50.9%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 91%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 67%
- Share of tested students proficient or above (all students, all grades).
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Schools near William Floyd High School
Closest schools by straight-line distance, with their Success Index (US).
Nathaniel Woodhull Elementary School
Shirley · Public elementary · Grades K–5
812 students · 367 m away
William Paca Middle School
Mastic Beach · Public middle · Grades 6–8
1,078 students · 397 m away
Tangier Smith Elementary School
Mastic Beach · Public elementary · Grades K–5
770 students · 615 m away
John S Hobart Elementary School
Shirley · Public elementary · Grades K–5
796 students · 626 m away
William Floyd Elementary School
Shirley · Public elementary · Grades K–5
757 students · 1.0 km away
Moriches Elementary School
Moriches · Public elementary · Grades K–5
861 students · 3.3 km away
William Floyd Middle School
Moriches · Public middle · Grades 6–8
1,124 students · 4.3 km away
Center Moriches Middle School
Center Moriches · Public middle · Grades 6–8
297 students · 4.7 km away
Center Moriches High School
Center Moriches · Public high · Grades 9–12
511 students · 4.7 km away
Clayton Huey Elementary School
Center Moriches · Public elementary · Grades K–5
586 students · 4.9 km away
Similar schools
Public high schools in New York with a comparable Enrollment.
New Dorp High School
Staten Island · Public high · Grades 9–12
3,055 students
New Rochelle High School
New Rochelle · Public high · Grades 9–12
3,047 students
Bayside High School
Bayside · Public high · Grades 9–12
3,004 students
Longwood High School
Middle Island · Public high · Grades 9–12
2,993 students
New Utrecht High School
Brooklyn · Public high · Grades 9–12
3,236 students
Shenendehowa High School
Clifton Park · Public high · Grades 9–12
2,968 students
Frequently asked questions
Is William Floyd High School a good school?
William Floyd High School has a Success Index (US) of 74.2 out of 100 (Top 25% of high schools in United States) and ranks #504 of 1,079 in New York. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does William Floyd High School rank in New York?
William Floyd High School ranks #504 of 1,079 high schools in New York and #2306 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend William Floyd High School?
William Floyd High School had 3,107 students in 2025.
Is William Floyd High School a elementary school or a high school?
William Floyd High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near William Floyd High School?
There are 10 schools within 15 km of William Floyd High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.