Finance
School finance is reported at the district (LEA) level. The figures below cover the full ISLIP UNION FREE SCHOOL DISTRICT.
Per-pupil spending (2020)
$30,578
Total district expenditure
$84,518,000
Total district revenue
$88,222,000
District enrollment
2,764
Revenue sources
Federal$2,737,000(3.1%)
State$27,614,000(31.3%)
Local$57,871,000(65.6%)
Spending breakdown
Instruction (teacher salaries, classroom materials)$49,992,000
Support services (admin, transport, building ops)—
Source: NCES F-33 School District Finance Survey, FY 2020. Figures cover the entire district; individual school-level spending is not published.
US public school funding 101
- Local revenue (property taxes) is typically the largest source in most states, though this varies widely.
- State revenue equalization formulas aim to reduce disparities between wealthy and poor districts.
- Federal revenue is usually 6-10% of budget — Title I (poverty), IDEA (special education), ESSER (COVID relief).
- Per-pupil spending varies from under $10,000 to over $30,000 across states; California averages around $15,000, New York around $28,000.