Enrollment
1,163
New York · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 363069004135
West Islip Senior High School — West Islip, NY
Federal NCES profile for West Islip Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 64/100.
👥 Class size 63
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 61
📋 Attendance 67
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: West Islip Union Free School District · New York
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
135.0
Federal CCD staff survey
Students per teacher
9.3:1
vs 11.7:1 New York avg
-21% vs state
Free-lunch eligible
17.4%
vs 56.2% New York avg
-69% vs state
Student-teacher ratio in context
How West Islip Senior High School compares with New York and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
West Islip Senior High School reports 1,163 enrolled students to the National Center for Education Statistics (NCES) alongside 135.0 full-time-equivalent teachers, producing a 9.3:1 student-teacher ratio. That figure sits 21% below the New York state mean of 11.7:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 42% lower, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 17.4% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 69% below the New York average and 66% below the national baseline. The school offers 23 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 194 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 13.3% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding West Islip Union Free School District spends $34,067 per pupil district-wide, above the New York average of $29,727 and above the national average of $19,490. Revenue comes 63.8% from local sources (property taxes), 30.1% from the state, and 6.0% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 64/100 (C+), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How West Islip Senior High School compares
Cross-validating school-level NCES values against New York state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.3:1 | ▼ 21% | 11.7:1 | 15.9:1 |
| Free-lunch eligible | 17.4% | ▼ 69% | 56.2% | 51.8% |
| Enrollment | 1,163 | top 94% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
17.4%
free-lunch eligible
— 69% below the New York average of 56.2%
Below the 40% Title I threshold — federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
9.3:1
students per teacher
— 21% below state mean
Top 18% in New York — lower ratio than 82% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
13.3%
chronically absent (missed 10%+ of school days)
Between 10–20% — above the pre-pandemic baseline of ~15% nationally but within the current U.S. range.
Funding equity
$34,067
per pupil, district-wide
— above New York avg of $29,727
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 194 students — the combined health-and-guidance staffing load for this school.
Discipline context
57
in-school suspensions + 32 out-of-school
Suspension rate: 4.9 per 100 students. Combined in-school and out-of-school rate: 7.7 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 1,163 Top 94% in New York — larger than 6% of 4,812 state schools
Teachers (FTE) 135.0
Students per teacher 9.3:1 -21% vs state
Free-lunch eligible 17.4% -69% vs state
NCES ID 363069004135
Student demographics
White 79.7%
Hispanic or Latino 14.0%
Two or More 3.0%
Asian 2.2%
African American 0.9%
American Indian / Alaska Native 0.2%
Largest group: White at 79.7% of enrollment.
Programs & staff
AP courses offered 23
Counselors (FTE) 6.0
Students per counselor 194:1
Discipline & special education
Chronically absent 13.3%
In-school suspensions 57
Out-of-school suspensions 32
Funding & spending
District-wide per-pupil expenditure for West Islip Union Free School District, which includes West Islip Senior High School.
$34,067
Per student
+15%
vs New York
Avg $29,727
+75%
vs U.S.
Avg $19,490
Revenue mix
Local 63.8%
State 30.1%
Federal 6.0%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Other Schools in This District
- Enrollment
- 514
- Students per teacher
- 12.7:1
- Enrollment
- 463
- Students per teacher
- 13:1
- Enrollment
- 440
- Students per teacher
- 12.1:1
- Enrollment
- 438
- Students per teacher
- 8.9:1
- Enrollment
- 418
- Students per teacher
- 11.3:1
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about West Islip Senior High School
How many students attend West Islip Senior High School?
West Islip Senior High School has 1,163 students enrolled. It is a high school in WEST ISLIP, NY.
What is the student-teacher ratio at West Islip Senior High School?
The student-teacher ratio at West Islip Senior High School is 9.3:1, which is 21% lower than the New York average of 11.7:1 and 42% lower than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at West Islip Senior High School?
17.4% of students at West Islip Senior High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of West Islip Senior High School?
The largest demographic group at West Islip Senior High School is White at 79.7%. The school serves a diverse student body in WEST ISLIP, NY.
What is the Resource Investment Index for West Islip Senior High School?
West Islip Senior High School has a Resource Investment Index of 64/100 (C+) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.