About Islip Union Free School District
Islip Union Free School District serves zip code 11751, covering Islip Union Free, New York with grades Kindergarten – 12th. Whether you’re researching a move, evaluating a home purchase, or preparing to enroll a child, the sections below give you a complete picture of this district’s resources, size, and what its rating means for your family.
Funding and Resources
Islip Union Free School District reports per-pupil expenditure of approximately $26,900 per year, placing it near the New York state average of approximately $26,000 and well above the national average nationally (U.S. average: $13,700/year). Districts at this funding level typically offer smaller class sizes, broader elective and extracurricular programs, stronger technology infrastructure, and more competitive teacher salaries. Per-pupil spending directly affects teacher compensation, class sizes, elective course offerings, technology access, and the depth of student support services — making it one of the most meaningful structural indicators of district capacity.
District Scale and Program Breadth
With 5 schools, Islip Union Free School District operates as a mid-sized district serving students from Kindergarten – 12th. Mid-sized districts strike a balance between community-scale relationships and sufficient program breadth. Most offer core academic tracks, basic extracurricular programs, and adequate student support services.
Understanding the 7/10 Rating
Islip Union Free School District has earned an overall SchoolDistrictFinder rating of 7/10, placing it in the above average tier. Our ratings are based on state assessment results — the share of students scoring proficient or above in reading and math, as reported in the U.S. Department of Education’s EDFacts collection (2017–18 school year). We average each district’s reading and math proficiency, then rank it against other districts in the same state to produce a 1–10 score. Because New York is compared only against itself, the rating reflects how this district performs relative to its in-state peers.
Islip Union Free School District earns an above-average rating, with reading and math proficiency rates stronger than most other districts in New York. Above-average districts generally show solid and consistent academic results across their schools. Families considering this area will find a district with meaningful academic strengths. Research the specific schools assigned to your address — even above-average districts have variation between individual buildings.
Enrollment for Families in Zip Code 11751
Children in zip code 11751 are assigned to Islip Union Free School District for public school enrollment, covering grades Kindergarten – 12th. School assignments are address-specific — your elementary, middle, and high school placements depend on your exact street address within zip code 11751, not just your neighborhood. Two homes on opposite ends of the same zip code may be assigned to different schools within the same district.
To confirm your specific school assignments, contact Islip Union Free School District at (631)650-8210 or visit www.islipufsd.org. Typical enrollment documents include proof of residency (lease or deed plus a utility bill), your child’s birth certificate, current immunization records, and prior school records. If your child has an IEP or 504 plan, bring that documentation to enrollment — New York districts are required to continue services within a reasonable period. Fall enrollment windows typically open in late winter or early spring; contact the district for exact dates and required steps.
School Districts and Home Values in Islip Union Free
School district quality is one of the most consistent factors in residential home pricing. Because Islip Union Free School District serves zip code 11751, district assignment still factors into home-pricing comparisons between zip code 11751 and neighboring areas. District boundaries are address-specific — verify the exact district assignment for any property you’re seriously considering rather than assuming based on the neighborhood. A single block can place two adjacent homes in different districts with different ratings and different annual property tax implications.
Use the property tax estimator on this page to calculate estimated annual tax obligations based on your target purchase price. In New York, property taxes are a primary funding source for public schools — your tax payments directly support Islip Union Free School District programs and staff. Understanding both district quality and the associated tax burden is essential financial due diligence before committing to any home in zip code 11751.
Data Sources and Accuracy
All district information on this page is sourced from the NCES Common Core of Data (CCD) 2024–2025, the U.S. Department of Education’s annual census of all public school districts — the same dataset used by researchers, journalists, and policymakers to analyze American public education. District boundaries, school assignments, phone numbers, and per-pupil expenditure figures are updated annually when NCES publishes new data, typically in spring. Always verify your specific school assignment and enrollment requirements directly with Islip Union Free School District before making any housing or enrollment decision based on zip code 11751 data.