Enrollment
1,163
New York · 2024-25 NCES data
High school (grades 9-12) · West Islip, NY
West Islip Senior High School
Federal NCES profile for West Islip Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 65/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 363069004135
👥 S:T ratio 66
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 61
📋 Attendance 67
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
West Islip Senior High School earns 65/100 on the Resource Investment Index, with class sizes smaller than 86% of New York schools.
- #3 of 7
- public schools in West Islip · Resource Index
- 65
- Resource Index · Higher
- 8.6:1
- small classes for New York
- 17.4%
- free-lunch eligible
West Islip Senior High School has class sizes smaller than 86% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, West Islip Senior High School ranks #3 of 7 public schools in West Islip, NY.
School address
District: West Islip Union Free School District · New York
NCES ID 363069004135 Verify on NCES CCD record →
Teachers (FTE)
135.0
Federal CCD staff survey
Students per teacher
8.6:1
vs 11.8:1 New York avg
-27% 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
What stands out at West Islip Senior High School
West Islip Senior High School is a lower-poverty, large high school in West Islip, New York, enrolling 1,163 students.
Classes run notably small here: at 8.6:1, West Islip Senior High School is leaner than roughly 86% of New York schools and 27% under the state's 11.8:1 norm, more adult attention per pupil than most peers.
Comparatively few students face economic hardship here, 17.4% free-meal eligibility runs 69% below the New York average.
By headcount it is one of the larger campuses in New York, bigger than 94% of state schools at 1,163 students.
Its Resource Investment Index outscores 91% of the 4,801 New York schools with a score on record, a top-tier result on this measure.
Against 216 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #40.
Its student body is led by White (80%) and Hispanic or Latino (14%) (diversity index 34/100).
On the academic-pipeline side it reports 23 Advanced Placement courses.
Counselor coverage is strong, about 194 students per counselor, inside the American School Counselor Association's recommended 250:1.
13.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
West Islip Union Free School District also operates Manetuck Elementary School (514 students) and Paul J Bellew Elementary School (463 students) alongside West Islip Senior High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How West Islip Senior High School compares
West Islip Senior High School on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.6:1 | ▼ 27% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 17.4% | ▼ 69% | 56.2% | 51.7% |
| Enrollment | 1,163 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.6:1
Leaner classes than 94% of US schools, among the more generously staffed nationally.
1,163
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
17.4%
free-lunch eligible
- 69% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
8.6:1
students per teacher
- 27% below state mean
Top 14% in New York - lower ratio than 86% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
13.3%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$29,668
per pupil, district-wide
- above New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially 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
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
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.
Student-body diversity index 34.4/100
Simpson diversity index - at 34.4, West Islip Senior High School is less mixed than the New York school average of 45.5.
Programs
AP courses offered 23
Funding & spending
District-wide per-pupil expenditure for West Islip Union Free School District, which includes West Islip Senior High School.
$29,668
Per student
+12%
vs New York
Avg $26,410
+79%
vs U.S.
Avg $16,593
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.
How West Islip Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Manetuck Elementary School | Smaller | Similar economic need | Higher S:T ratio |
| Paul J Bellew Elementary School | Smaller | Similar economic need | Higher S:T ratio |
| Bayview Elementary School | Smaller | Similar economic need | Higher S:T ratio |
| Udall Road Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Oquenock Elementary School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to West Islip Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 514
- Students per teacher
- 13.2:1
- Resource Index
- 52/100
- Enrollment
- 463
- Students per teacher
- 13.2:1
- Resource Index
- 39/100
- Enrollment
- 440
- Students per teacher
- 12.9:1
- Resource Index
- 38/100
- Enrollment
- 438
- Students per teacher
- 8.8:1
- Resource Index
- 57/100
- Enrollment
- 418
- Students per teacher
- 11.9:1
- Resource Index
- 39/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,163 students)
Next steps
Verify locally before acting on West Islip Senior High School's federal record.
- Compare West Islip Senior High School against another school. Compare schools
- West Islip Union Free School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
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 8.6:1, which is 27% lower than the New York average of 11.8:1 and 45% lower than the national average of 15.7:1. 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% of enrollment, 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 65/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does West Islip Senior High School rank among public schools in West Islip?
By Resource Investment Index, West Islip Senior High School ranks #3 of 7 public schools in West Islip, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in West Islip on the city page.
Is West Islip Senior High School a good school?
West Islip Senior High School earns 65/100 on the Resource Investment Index, with class sizes smaller than 86% of New York schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in West Islip Union Free School District?
Besides West Islip Senior High School, West Islip Union Free School District also operates Manetuck Elementary School (514 students), Paul J Bellew Elementary School (463 students), and Bayview Elementary School (440 students). See the West Islip Union Free School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.