Grade Trends

Clarkstown South Senior High School

Grades 9–12 Public District: Clarkstown Central School District

31 Demarest Mill Rd, West Nyack, NY 10994 Map

Math (met standard)
84%
+27 state 56% · 2024-25
English (met standard)
93%
+18 state 75% · 2024-25
Science (met standard)
79%
+22 state 57% · 2024-25
Low income
23%
free or reduced-price lunch
Students
1,386
2024-25
Students per teacher
12.1
2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Latest results by grade

Grade Math English Science
High school (Regents) 84% state 56% · 2024-25 93% state 75% · 2024-25 79% state 57% · 2024-25
All grades 84% state 56% · 2024-25 93% state 75% · 2024-25 79% state 57% · 2024-25
Results by year (all grades)
School year Math English Science
2024-25 84% state 56% 93% state 75% 79% state 57%
2023-24 95% state 63% 96% state 79% 86% state 62%
2022-23 97% state 65% 95% state 77% 90% state 66%
2021-22 91% state 66% 95% state 81% 91% state 74%
2018-19 99% state 71% 97% state 84% 93% state 73%
2017-18 100% state 70% 92% state 79% 92% state 73%

Graduation & college

4-year graduation rate
94%
state 86% · 2024-25

Graduation rate: students who earned a regular diploma within four years.

Students

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Nearby schools

Subject percentages show the share of students who met or exceeded the state standard.

Pick to compare
Birchwood School
Grades K–12 Special education · Clarkstown Central School District
1.5 mi
60%
+4 vs state
88%
+12 vs state
63%
±0 vs state · 2023-24
8% Average of math, English and science: 80% in 2021-22 → 88% in 2024-25 42% 66 White 50%
Nanuet Senior High School
Grades 9–12 · Nanuet Union Free School District
1.6 mi
76%
+19 vs state
91%
+16 vs state
84%
+27 vs state
5% Average of math, English and science: 93% in 2021-22 → 88% in 2024-25 32% 745 White 38%
Nyack Senior High School
Grades 9–12 · Nyack Union Free School District
2.6 mi
70%
+13 vs state
84%
+8 vs state
35%
−22 vs state
14% Average of math, English and science: 73% in 2021-22 → 59% in 2024-25 28% 945 White 36%
Pearl River High School
Grades 8–12 · Pearl River Union Free School District
3.3 mi
38%
−9 vs state
64%
+11 vs state
43%
−1 vs state
5% Average of math, English and science: 56% in 2022-23 → 51% in 2024-25 20% 904 White 73%
Clarkstown North Senior High School
Grades 9–12 · Clarkstown Central School District
3.3 mi
77%
+21 vs state
89%
+14 vs state
72%
+14 vs state
9% Average of math, English and science: 90% in 2021-22 → 81% in 2024-25 27% 1,209 White 47%
Spring Valley High School
Grades 9–12 · East Ramapo Central School District (spring Valley)
4.0 mi
34%
−22 vs state
47%
−28 vs state
37%
−21 vs state
Average of math, English and science: 40% in 2021-22 → 42% in 2024-25 86% 1,501 Hispanic 76%
Tappan Zee High School
Grades 9–12 · South Orangetown Central School District
4.0 mi
81%
+25 vs state
96%
+21 vs state
86%
+28 vs state
Average of math, English and science: 93% in 2021-22 → 91% in 2024-25 23% 911 White 59%
Ramapo High School
Grades 9–12 · East Ramapo Central School District (spring Valley)
4.9 mi
24%
−32 vs state
49%
−27 vs state
31%
−26 vs state
6% Average of math, English and science: 46% in 2021-22 → 40% in 2024-25 83% 1,694 Hispanic 77%