District profile / New York

William Floyd Union Free School District

Mastic Beach, New York · Superintendent: Kevin Coster · #14 of 404 New York districts by enrollment

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9,670

Students

2024-25 school year

Schools

2024-25 school year

$24,390

Spending per student

FY2020-21 · about the same as the New York median

13.7

Students per teacher

2024-25 · New York median 11.3

William Floyd Union Free School District is a public school district based in Mastic Beach, New York, serving 9,670 students in 9 schools. By enrollment it ranks #14 of the 404 New York districts with 1,000 or more students, larger than about 97% of them. Its schools average 1,074 students each, more than the New York median of 538. Its superintendent is Kevin Coster. It spends about $24,390 per student on day-to-day operations, about the state median. It has roughly 13.7 students per teacher.

How William Floyd Union Free compares

William Floyd Union FreeNew York median, districts with 1,000+ students

Spending per student$24,390

New York median $23,514 · about the same · FY2020-21

Instruction spending per student$16,139

New York median $15,327 · 5% above · FY2020-21

Students per school1,074

New York median 538 · 100% above · 2024-25

Students per teacher13.7

New York median 11.3 · 21% above · 2024-25

Students per counselor420

New York median 284 · 48% above · 2024-25

Spending and staffing

Where the money comes from$251.4 million in revenue · FY2020-21

Federal 6%State 56%Local 38%

Measure	William Floyd Union Free	New York median	Year
Current spending per student	$24,390	$23,514	FY2020-21
Instruction spending per student	$16,139	$15,327	FY2020-21
Total spending	$241.7 million	n/a	FY2020-21
Total revenue	$251.4 million	n/a	FY2020-21
Teachers (full-time equivalent)	706	n/a	2024-25
Total staff (full-time equivalent)	1,401	n/a	2024-25
Students per teacher	13.7	11.3	2024-25
Students per counselor	420	284	2024-25

Spending: NCES school district finance survey (F-33), FY2020-21. Staffing and enrollment: NCES Common Core of Data, 2024-25. Via the Urban Institute Education Data Portal. The New York median compares districts with 1,000 or more students.

Leadership

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Kevin Coster

Superintendent, William Floyd Union Free School District

Source: New York State Education Department, SEDREF, checked 2026-10-05. Report a change

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Peer districts in New York

Compare side by side →

District	Students	Schools	Spending per student	Students per teacher	Rank
New Rochelle City School DistrictNew Rochelle	9,895	10	$25,309	12.0	#12
Williamsville Central School DistrictEast Amherst	9,718	13	$17,987	11.5	#13
William Floyd Union Free School DistrictMastic Beach · this district	9,670	9	$24,390	13.7	#14
Middle Country Central School DistrictCentereach	9,545	14	$26,514	16.0	#15
Shenendehowa Central School DistrictClifton Park	9,391	12	$17,780	13.4	#16

Similar-size districts nationally

District	Students	Spending per student	Students per teacher
Kings Canyon Joint UnifiedReedley, CA	9,696	$14,495	21.6
St Clair CountyAshville, AL	9,658	$9,294	18.9
Vallejo City UnifiedVallejo, CA	9,653	$13,178	22.8
Medina Valley ISDCastroville, TX	9,638	$9,799	17.8

Peers are the districts closest in enrollment, so they can still differ in many other ways. Enrollment, school counts and phone numbers are from the NCES Common Core of Data, 2024-25.

Printed from Superintendent's Corner: https://superintendentscorner.com/district-ny-william-floyd-union-free-school-district