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 50% of all schools in New York for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 30-39% (which is lower than the New York state average of 52%). 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 Facts (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 50%
- Math Proficiency: 30-39% (Btm 50%)
- 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
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 Calendar
First Day of School
Mon. Sep 1, 2025
Last Day of School
Mon. May 25, 2026
School Motto
Educating Each Student Today for Endless Possibilities Tomorrow
School Rankings
Westlake High School ranks within the top 50% of all 4,346 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
#1694 out of 4346 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
30-39%
52%
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 #1694 out of 4,346 schools, which ranks it among the top 50% of public schools in New York.
What percent of students have achieved state testing proficiency in math and reading?
30-39% of students have achieved math proficiency (compared to the 52% 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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