Westlake High School
🇺🇸 Official data · 2025Thornwood, New York 10594 · Mount Pleasant Central School District
#42 of 1,079 high schools in New York
#47 of 16,910 nationally
About Westlake High School
Westlake High School is a public high located in Thornwood, in the Mount Pleasant Central School District school district of New York, United States. It caters for Grades 9–12. In 2025 it enrolled 566 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 95.5 out of 100, placing it in the top 5% of high schools in United States and 42nd of 1,079 ranked high schools in New York. Its strongest component is math proficiency (99th percentile), and its weakest is students per teacher (88th percentile).
Other published figures: enrollment 566.
There are 3 schools in Thornwood; Westlake High School ranks 1st of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)97.5%
- Reading proficiency (30%)97.5%
- Community advantage (fewer free/reduced-price lunch) (25%)18.7%
- Students per teacher (15%)9.9
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Westlake High School by the official sources.
- Enrollment
- 566
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 18.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 9.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 97.5%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 97.5%
- Share of tested students proficient or above (all students, all grades).
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Schools near Westlake High School
Closest schools by straight-line distance, with their Success Index (US).
Westlake Middle School
Thornwood · Public middle · Grades 6–8
477 students · 0 m away
Columbus Elementary School
Thornwood · Public elementary · Grades 3–5
481 students · 605 m away
Kensico School
Valhalla · Public elementary · Grades 3–5
352 students · 2.1 km away
Valhalla High School
Valhalla · Public high · Grades 9–12
424 students · 2.3 km away
Valhalla Middle School
Valhalla · Public middle · Grades 6–8
322 students · 2.4 km away
Pleasantville High School
Pleasantville · Public high · Grades 9–12
559 students · 2.8 km away
Hawthorne Elementary School
Hawthorne · Public elementary · Grades K–2
417 students · 3.0 km away
Pleasantville Middle School
Pleasantville · Public middle · Grades 5–8
495 students · 3.0 km away
Bedford Road School
Pleasantville · Public elementary · Grades K–4
549 students · 3.4 km away
Briarcliff High School
Briarcliff Manor · Public high · Grades 9–12
463 students · 4.6 km away
Similar schools
Public high schools in New York with a comparable Enrollment.
Plattsburgh Senior High School
Plattsburgh · Public high · Grades 9–12
566 students
Bard High School Early College
New York · Public high · Grades 9–12
569 students
Collegiate Institute for Math and Science
Bronx · Public high · Grades 9–12
563 students
Medina Junior-Senior High School
Medina · Public high · Grades 7–12
569 students
Allegany-Limestone Middle-High School
Allegany · Public high · Grades 6–12
562 students
Cazenovia High School
Cazenovia · Public high · Grades 8–12
560 students
Frequently asked questions
Is Westlake High School a good school?
Westlake High School has a Success Index (US) of 95.5 out of 100 (Top 5% of high schools in United States) and ranks #42 of 1,079 in New York. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Westlake High School rank in New York?
Westlake High School ranks #42 of 1,079 high schools in New York and #47 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Westlake High School?
Westlake High School had 566 students in 2025.
Is Westlake High School a elementary school or a high school?
Westlake High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Westlake High School?
There are 10 schools within 15 km of Westlake High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.