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SCHOOL COMMUNITY·MOUNT PLEASANT CENTRAL SCHOOL DISTRICT·NCES 362016001849

WESTLAKE HIGH SCHOOL

825 WESTLAKE DR, THORNWOOD, NY 10594 · (914) 769-8311 · Westchester County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL566 STUDENTS
B+
allk12 Grade
Scored higher than 71% of New York public high schools
  • A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public high schools

Enrollment
566
High
DISTRICT 485 · STATE 668
Student : Teacher
9.8:1
58 FTE teachers
DISTRICT 9.4:1 · STATE 11.0:1
Free / Reduced Lunch
19%
106 students
DISTRICT 13% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 915427%
Grade 1012923%
Grade 1114626%
Grade 1213424%
Ungraded31%
Student demographics
39%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 40% · STATE 72% · US 70%
White
42976%
DISTRICT 75% · STATE 39% · US 43%
Hispanic
9316%
DISTRICT 15% · STATE 31% · US 30%
Black
51%
DISTRICT 1% · STATE 16% · US 15%
Asian
336%
DISTRICT 6% · STATE 10% · US 6%
Two+
61%
DISTRICT 2% · STATE 4% · US 5%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
28951%
Female
27749%

School pathway

Feeds from
WESTLAKE MIDDLE SCHOOL06–08
Based on grade levels within MOUNT PLEASANT CENTRAL SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
91.0%
NY avg 58.3% . -1.0pp since 2023
Math
81.0%
NY avg 57.4% . -2.0pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 91 of every 100 students at this school read and write at grade level and about 81 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are down about 1 points since 2023, while math scores are down about 2 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2591.0%81.0%
2023-2492.0%83.0%
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
76.3%
composite math + reading, all grades
Predicted
68.1%
based on NY schools with similar FRL share
Beats by
+8.2pp
above demographic expectation

What this means: About 76% of students here test proficient in math and reading, compared with the roughly 68% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like WESTLAKE HIGH SCHOOL

WESTLAKE HIGH SCHOOL's state test result (76.3% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
WESTLAKE HIGH SCHOOL this school56618.7%76.3%
PLEASANTVILLE HIGH SCHOOL
PLEASANTVILLE
55919.7%92.5%
BABYLON JUNIOR-SENIOR HIGH SCHOOL
BABYLON
66216.2%71.3%
CROTON-HARMON HIGH SCHOOL
CROTON ON HUDSON
50715.0%73.0%
PERRY JUNIOR HIGH SCHOOL
NEW HARTFORD
57719.4%81.5%
SEAFORD SENIOR HIGH SCHOOL
SEAFORD
65014.6%71.7%
Matched among New York high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where WESTLAKE HIGH SCHOOL ranks

Among high schools
MeasureThis schoolIn New YorkIn Westchester County
State test proficiency
ranked highest first
76.3%#234 of 1,135#22 of 46
Math proficiency
ranked highest first
81.0%#127 of 1,109
▲ 46
#16 of 48
▲ 2
Reading proficiency
ranked highest first
91.0%#160 of 1,135
▲ 54
#22 of 48
▲ 5
Enrollment
ranked largest first
566#471 of 1,216#34 of 56
Students per teacher
ranked fewest first
9.8:1#276 of 1,058#11 of 48
Diversity index
ranked most diverse first
39.5%#685 of 1,070#42 of 48
Free and reduced lunch
ranked highest share first
18.7%#1,106 of 1,167#33 of 49
Enrollment change since 2017-18
ranked fastest growth first
+2.2%#285 of 339#14 of 18
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
566
+23 (+4%) vs 2020
+16% since 1990-91, when it was 488
Student : Teacher
9.8:1
was 10.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2556657.69.8:119% (106)
2023-2454059.19.1:118% (96)
2022-2354754.210.1:119% (104)
2020-215435410.1:114% (74)
2017-185544711.8:15% (30)
2015-165605310.6:110% (57)
2010-115944612.9:14% (25)
2000-015394013.5:16% (30)
1990-914884012.2:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for WESTLAKE HIGH SCHOOL.

About WESTLAKE HIGH SCHOOL

WESTLAKE HIGH SCHOOL is a small high school in MOUNT PLEASANT CENTRAL SCHOOL DISTRICT, located in THORNWOOD, New York. Its enrollment is 566 students, spread over grades 9 through 12.

The MOUNT PLEASANT CENTRAL SCHOOL DISTRICT system has 4 schools and 1,941 students.

The share of White students at WESTLAKE HIGH SCHOOL is 76%, a majority. Other students are 16% Hispanic and 6% Asian. That is higher than the 52% White share among all Westchester County residents. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 39%.

There are 57.6 full-time-equivalent teachers at WESTLAKE HIGH SCHOOL, giving a ratio of 9.8:1. The school's 9.8:1 compares with an average of 11.0:1 for high schools in New York. By family income, 19% of students are eligible for free or reduced-price lunch. That is 19 points below the 38% average for public schools in Westchester County.

WESTLAKE HIGH SCHOOL earns a B+ on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 71% of New York public high schools.

Compared with New York schools that have similar shares of low-income students, WESTLAKE HIGH SCHOOL's results are 8.2 points above predicted: 76.3% against 68.1%.

For the population of Westchester County, the median household earns about $118,976 a year, a bachelor's degree or higher is held by about 53% of adults, and the poverty rate is about 6%. Across Westchester County, 255 public schools serve about 140,968 students.

A public school less than a tenth of a mile away, WESTLAKE MIDDLE SCHOOL, is the closest to WESTLAKE HIGH SCHOOL. Inside a five-mile radius, there are at least 8 other public schools. WESTLAKE HIGH SCHOOL comes in 1st of 5 nearby schools on average proficiency.

The National Center for Education Statistics classifies the school's location as Suburb: Large, meaning it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Since 2020-21, enrollment has grown 4%, from 543 to 566.

Anyone can start a thread about fundraisers, report cards, and school supplies at WESTLAKE HIGH SCHOOL. Teachers and staff are welcome to share updates too.

Westchester County at a glance

View full county profile
Population
999,677
Census ACS
Median income
$118,976
Household, ACS
Bachelor's+
53%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
255
140,968 students

Quick facts

School name
WESTLAKE HIGH SCHOOL
District
MOUNT PLEASANT CENTRAL SCHOOL DISTRICT
Address
825 WESTLAKE DR, THORNWOOD, NY 10594
Phone
(914) 769-8311
County
Westchester County
Level
High
Grade range
09–12
Total enrollment
566
Teachers (FTE)
58
Student–teacher ratio
9.8:1
Free and reduced lunch
106 (19%)
Locale
21-Suburb: Large
NCES ID
362016001849
Charter school
No
Virtual school
No

Related schools

Other schools in MOUNT PLEASANT CENTRAL SCHOOL DISTRICT
Other schools in THORNWOOD
Other Westlake High schools

7 other US public schools in 8 states are named Westlake High. WESTLAKE HIGH SCHOOL is the 7th largest of the 8.

Nearby schools

Frequently asked questions

About WESTLAKE HIGH SCHOOL
How large is WESTLAKE HIGH SCHOOL?
WESTLAKE HIGH SCHOOL enrolls approximately 566 students in grades 09-12.
What age range does WESTLAKE HIGH SCHOOL serve?
WESTLAKE HIGH SCHOOL serves students from grade 09 through grade 12.
What is the student-teacher ratio at WESTLAKE HIGH SCHOOL?
The student-to-teacher ratio at WESTLAKE HIGH SCHOOL is approximately 9.8:1 (58 FTE teachers).
How diverse is WESTLAKE HIGH SCHOOL?
WESTLAKE HIGH SCHOOL reports a student body of 76% White, 16% Hispanic, 1% Black, 6% Asian, 1% Two or more.
Is WESTLAKE HIGH SCHOOL public or private?
WESTLAKE HIGH SCHOOL is a public K-12 school, overseen by MOUNT PLEASANT CENTRAL SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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