Westlake High School is located at 825 Westlake Drive in Thornwood, New York, United States. It serves the Mount Pleasant Central School District, including the hamlets of Hawthorne and Thornwood, and parts of the hamlet of Valhalla and the village of Pleasantville.
Serving 540 students in grades 9-12, Westlake High School ranks in the top 20% of all schools in New York for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 65-69% (which is higher than the New York state average of 46%). The percentage of students achieving proficiency in reading/language arts is ≥90% (which is higher than the New York state average of 49%).
The student:teacher ratio of 9:1 is lower than the New York state level of 11:1.
Minority enrollment is 24% of the student body (majority Hispanic), which is lower than the New York state average of 60% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 540 students
- Student:Teacher Ratio: 9:1
- Minority Enrollment: 24%
- Graduation Rate: ≥95% (Top 10% in NY)
- Overall Testing Rank: Top 20%
- Math Proficiency: 65-69% (Top 30%)
- Reading Proficiency: ≥90% (Top 5%)
- Science Proficiency: 90-94% (Top 20%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Westlake High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Overall Rank
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Westlake High School's student population of 540 students has stayed relatively flat over five school years.
The teacher population of 59 teachers has grown by 25% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
540 students
Gender %
Total Classroom Teachers
59 teachers
Year Founded
1962
Colors
White, Blue, Navy Blue
School Rankings
Westlake High School ranks within the top 20% of all 4,377 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Westlake High School is 0.40, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#525 out of 4377 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
65-69%
46%
Reading/Language Arts Test Scores (% Proficient)
≥90%
49%
Science Test Scores (% Proficient)
90-94%
78%
Student : Teacher Ratio
9:1
11:1
American Indian
n/a
1%
Asian
6%
10%
Hispanic
16%
30%
Black
1%
16%
White
76%
40%
Hawaiian
n/a
n/a
Two or more races
1%
3%
All Ethnic Groups
Graduation Rate
≥95%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
15%
54%
Eligible for Reduced Lunch
3%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Westlake High School's ranking?
Westlake High School is ranked #525 out of 4,377 schools, which ranks it among the top 20% of public schools in New York.
What percent of students have achieved state testing proficiency in math and reading?
65-69% of students have achieved math proficiency (compared to the 46% NY state average), while ≥90% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Westlake High School?
The graduation rate of Westlake High School is 95%, which is higher than the New York state average of 87%.
How many students attend Westlake High School?
540 students attend Westlake High School.
What is the racial composition of the student body?
76% of Westlake High School students are White, 16% of students are Hispanic, 6% of students are Asian, 1% of students are Black, and 1% of students are Two or more races.
What is the student:teacher ratio of Westlake High School?
Westlake High School has a student ration of 9:1, which is lower than the New York state average of 11:1.
What grades does Westlake High School offer ?
Westlake High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Westlake High School part of?
Westlake High School is part of Mount Pleasant Central School District.
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