Clarkstown South Senior High School
31 Demarest Mill Rd, West Nyack, NY 10994 · (845) 624-3400 · Part of Clarkstown Central School District
Clarkstown’s School Grade A− better than 83% of New York school districts
What stands out about Clarkstown South Senior High School
- Its own letter, A+: reading and math results near the top of New York’s public schools
- Math proficiency 43 pts above the state
- Reading / language arts 27 pts above the state
- Small classes: 12 students per teacher
On the path
Where Clarkstown kids come from and go next. The whole path →
Test scores
2020–21Its own letter, A+, places these results among New York’s 4,095 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).
Location
Directions ↗31 Demarest Mill Rd, West Nyack
Students
Up 3.7% since 2020–21.
As reported to NCES, share of students with a reported race or ethnicity.
Parents talk
Questions and answers about Clarkstown South Senior High School from Clarkstown families.
Other schools in Clarkstown Central School District
School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against New York’s other public schools; Clarkstown’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.