CLARKSTOWN SOUTH SENIOR HIGH SCHOOL
Score 89.7/100: better than 89% of New York high schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools
Performance (state tests, 2024-25)
% proficient on state tests in New York, all students. Colored bars are green when the school is at or above the average for similar New York schools.
Results over time
How this school's published results have moved year by year. † marks a year when the state changed its test, so that change isn't comparable. This school takes more than one kind of test and the mix changes from year to year, so the percentile is the fairer comparison over time.
All 13 published results by grade and test
As published by New York State Education Department. "Hidden" means the state didn't publish the result to protect student privacy.
| Subject | Grade | Test | Result | Students tested |
|---|---|---|---|---|
| English language arts | High school | Regents Common Core English Language Art | 93 | 393 |
| Math | High school | Regents Algebra I | 84 | 255 |
| Math | High school | Regents Common Core Algebra II | 98 | 210 |
| Math | High school | Regents Common Core Geometry | 43 | 23 |
| Math | High school | Regents Geometry | 91 | 217 |
| Science | High school | Regents Earth and Space Sciences | 79 | 190 |
| Science | High school | Regents Life Science: Biology | 83 | 326 |
| Science | High school | Regents Living Environment | 31 | 26 |
| Science | High school | Regents Phy Set/Chemistry | 75 | 224 |
| Science | High school | Regents Phy Set/Earth Sci | 50 | 10 |
| Science | High school | Regents Phy Set/Physics | 62 | 76 |
| Social studies | High school | Regents NF Global History | 92 | 354 |
| Social studies | High school | Regents US History&Gov't | 94 | 394 |
School profile
- Grades
- 9-12
- Students
- 1,386
- Type
- High school
- Charter school
- No
- Program
- Regular
Students
District and location
Contact
West Nyack, NY 10994
"Typical" is the middle (median) high school in New York. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).
Nearby high schools
Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.
Explore schools around West Nyack
Location
Official sources
Every figure on this page comes from published government data. Check the originals here; we refresh when states release new results.
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD): school directory, grades served, enrollment and free/reduced-price lunch, 2023-24 and 2024-25. Spotted a mistake? Tell us.
CLARKSTOWN SOUTH SENIOR HIGH SCHOOL at a glance
CLARKSTOWN SOUTH SENIOR HIGH SCHOOL is a public high school in West Nyack, New York, serving grades 9-12. It is part of Clarkstown Central School District. It has about 1,386 students (a typical New York high school has 449). About 23% of students are eligible for free or reduced-price lunch, compared with 56% at a typical New York high school, which is useful context when reading test results.
In 2024-25 state tests, 93% in English language arts (similar schools: 75%) and 89% in math (similar schools: 58%) reached the state standard (% proficient). On our score, which compares it only with other New York high schools, it scores 89.7 out of 100: better than 89% of them, ranking #99 of 954. Its English language arts result fell by 3 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.
Page updated 2026-10-12.