Enrollment
566
New York · 2024-25 NCES data
High school (grades 9-12) · Thornwood, NY
Westlake High School
Federal NCES profile for Westlake High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 63/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 362016001849
👥 S:T ratio 58
📚 AP courses 90
🌟 Gifted program 30
🎓 Counselors 72
📋 Attendance 68
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Westlake High School earns 63/100 on the Resource Investment Index, with class sizes near the New York median.
- #1 of 3
- public schools in Thornwood · Resource Index
- 63
- Resource Index · Higher
- 10.5:1
- students per teacher
- 17.6%
- free-lunch eligible
Westlake High School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Westlake High School ranks #1 of 3 public schools in Thornwood, NY.
School address
District: Mount Pleasant Central School District · New York
NCES ID 362016001849 Verify on NCES CCD record →
Teachers (FTE)
54.0
Federal CCD staff survey
Students per teacher
10.5:1
vs 11.8:1 New York avg
-11% vs state
Free-lunch eligible
17.6%
vs 56.2% New York avg
-69% vs state
Student-teacher ratio in context
How Westlake High School compares with New York and U.S. medians
What stands out at Westlake High School
Westlake High School is a lower-poverty, mid-sized high school in Thornwood, New York, enrolling 566 students.
Class sizes run a bit leaner than typical: 10.5:1 puts it in the smaller third of New York schools by student-teacher ratio.
Comparatively few students face economic hardship here, 17.6% free-meal eligibility runs 69% below the New York average.
Enrollment of 566 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index outscores 92% of the 4,801 New York schools with a score on record, a top-tier result on this measure.
Against 616 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #73.
Its student body is led by White (76%) and Hispanic or Latino (16%) (diversity index 40/100).
On the academic-pipeline side it reports 18 Advanced Placement courses.
Counselor coverage is strong, about 142 students per counselor, inside the American School Counselor Association's recommended 250:1.
12.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Mount Pleasant Central School District also operates Columbus Elementary School (481 students) and Westlake Middle School (477 students) alongside Westlake 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 Westlake High School compares
Westlake 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 | 10.5:1 | ▼ 11% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 17.6% | ▼ 69% | 56.2% | 51.7% |
| Enrollment | 566 | top 30% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.5:1
Leaner classes than 86% of US schools, among the more generously staffed nationally.
566
Bigger than 69% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
17.6%
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
10.5:1
students per teacher
- 11% below state mean
Top 37% in New York - lower ratio than 63% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
12.9%
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
$30,912
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
Counselors4.0 FTE
Per 142 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 4 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.9 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 75.8%
Hispanic or Latino 16.4%
Asian 5.8%
Two or More 1.1%
African American 0.9%
Largest group: White at 75.8% of enrollment.
Student-body diversity index 39.5/100
Simpson diversity index - at 39.5, Westlake High School is less mixed than the New York school average of 45.5.
Programs
AP courses offered 18
Funding & spending
District-wide per-pupil expenditure for Mount Pleasant Central School District, which includes Westlake High School.
$30,912
Per student
+17%
vs New York
Avg $26,410
+86%
vs U.S.
Avg $16,593
Revenue mix
Local 79.3%
State 17.7%
Federal 3.0%
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 Westlake High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Columbus Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Westlake Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Hawthorne Elementary School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Westlake High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 481
- Students per teacher
- 10.7:1
- Resource Index
- 43/100
- Enrollment
- 477
- Students per teacher
- 10.1:1
- Resource Index
- 56/100
- Enrollment
- 417
- Students per teacher
- 9.9:1
- Resource Index
- 53/100
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 (~566 students)
Next steps
Verify locally before acting on Westlake High School's federal record.
- Compare Westlake High School against another school. Compare schools
- Mount Pleasant Central 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 Westlake High School
How many students attend Westlake High School?
Westlake High School has 566 students enrolled. It is a high school in Thornwood, NY.
What is the student-teacher ratio at Westlake High School?
The student-teacher ratio at Westlake High School is 10.5:1, which is 11% lower than the New York average of 11.8:1 and 33% 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 Westlake High School?
17.6% of students at Westlake High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Westlake High School?
The largest demographic group at Westlake High School is White at 75.8% of enrollment, in Thornwood, NY.
What is the Resource Investment Index for Westlake High School?
Westlake High School has a Resource Investment Index of 63/100 (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 Westlake High School rank among public schools in Thornwood?
By Resource Investment Index, Westlake High School ranks #1 of 3 public schools in Thornwood, 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 Thornwood on the city page.
Is Westlake High School a good school?
Westlake High School earns 63/100 on the Resource Investment Index, with class sizes near the New York median. 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 Mount Pleasant Central School District?
Besides Westlake High School, Mount Pleasant Central School District also operates Columbus Elementary School (481 students), Westlake Middle School (477 students), and Hawthorne Elementary School (417 students). See the Mount Pleasant Central 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.