High school (grades 9-12) · West Nyack, NY

Clarkstown South Senior High School

Federal NCES profile for Clarkstown South Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 362034001865
Compare schools View district
Compiled from official source data by .
0/100100/10049/100
👥 S:T ratio
50
🌟 Gifted program
30
🎓 Counselors
59
📋 Attendance
55
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Clarkstown South Senior High School earns 49/100 on the Resource Investment Index, with class sizes near the New York median. It is also one of the largest schools in New York.

#7 of 8
public schools in West Nyack · Resource Index
49
Resource Index · Higher
12.6:1
students per teacher
13.4%
free-lunch eligible

Clarkstown South Senior High School has class sizes near the New York median. Computed live against every New York school reporting to NCES.

By Resource Investment Index, Clarkstown South Senior High School ranks #7 of 8 public schools in West Nyack, NY.

School address

West Nyack, NY 10994
District: Clarkstown Central School District · New York

NCES ID 362034001865 Verify on NCES CCD record →

CCD year-over-year · 2022-23 → 2023-24

+41 students YoY

Clarkstown South Senior High School held near 1,386 students from 2022-23 to 2023-24 (+41 headcount).

Teacher FTE added 110.5 → 112.0 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Steady CCD campus

+41 students YoY 362034001865 · West Nyack, NY High · MID · TRAD

1,386 enr · 12.6:1 · 13.4% lunch · RII 49

Nearest enrollment peer: Clarkstown North Senior High School (1,209 students)

Clarkstown South Senior High School held near 1,386 students from 2022-23 to 2023-24 (+41 headcount). Teacher FTE added 110.5 → 112.0 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →

Clarkstown South Senior High School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Clarkstown South Senior High School reports 1,386 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Clarkstown South Senior High School compares

Clarkstown South Senior High School held steady on CCD headcount: ratios and free-lunch share vs New York and U.S. means.

Metric This school vs New York New York avg U.S. avg
Students per teacher 12.6:1 ▲ 7% 11.8:1 15.7:1
Free-lunch eligible 13.4% ▼ 76% 56.2% 51.7%
Enrollment 1,386 top 3% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

12.6:1
Leaner classes than 70% of US schools, among the more generously staffed nationally.
1,386
Bigger than 95% of US schools by enrollment, a large campus nationally.

Equity indicators methodology

Economic need
13.4%
free-lunch eligible - 76% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.6:1
students per teacher - 7% above state mean
Top 67% in New York - lower ratio than 33% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
17.8%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$28,451
per pupil, district-wide - above New York avg of $28,120
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors6.8 FTE
Per 204 students, the combined health-and-guidance staffing load for this school.
Discipline context
34
in-school suspensions + 50 out-of-school
Suspension rate: 2.5 per 100 students. Combined in-school and out-of-school rate: 6.1 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

White 49.2%
Hispanic or Latino 26.4%
Asian 15.5%
African American 6.5%
Two or More 2.2%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%

Largest group: White at 49.2% of enrollment.

Student-body diversity index 66.0/100

Simpson diversity index - at 66.0, Clarkstown South Senior High School is more mixed than the New York school average of 45.5.

Programs

AP courses offered 26

District finance for Clarkstown Central School District reports $28,451 per pupil (NCES F-33) - open the district page for the full revenue mix.

How Clarkstown South Senior High School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Clarkstown North Senior High School Similar size Similar economic need Lower S:T ratio
Felix Festa Determination Middle School Smaller Similar economic need Similar S:T ratio
Felix Festa Character Middle School Smaller Similar economic need Similar S:T ratio
Felix Festa Achievement Middle School Smaller Similar economic need Lower S:T ratio
New City Elementary School Smaller No free-lunch data Similar S:T ratio

Comparisons are relative to Clarkstown South Senior High School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Clarkstown Central School District · 5 sibling schools

View district profile

Nationwide high schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Similar enrollment (~1,386 students)

Similar student-teacher ratio (~12.6:1)

Frequently asked questions about Clarkstown South Senior High School

How many students attend Clarkstown South Senior High School?

Clarkstown South Senior High School has 1,386 students enrolled. It is a high school in West Nyack, NY. CCD year-over-year: 1,345 (2022-23) → 1,386 (2023-24), nearly flat (+41).

What is the student-teacher ratio at Clarkstown South Senior High School?

The student-teacher ratio at Clarkstown South Senior High School is 12.6:1, which is 7% higher than the New York average of 11.8:1 and 20% lower than the national average of 15.7:1.

What percentage of students receive free lunch at Clarkstown South Senior High School?

13.4% of students at Clarkstown South Senior High School are eligible for free lunch, compared to the New York average of 56.2%.

What is the racial and ethnic makeup of Clarkstown South Senior High School?

The largest demographic group at Clarkstown South Senior High School is White at 49.2% of enrollment, in West Nyack, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.0/100.

What is the Resource Investment Index for Clarkstown South Senior High School?

Clarkstown South Senior High School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Clarkstown South Senior High School rank among public schools in West Nyack?

By Resource Investment Index, Clarkstown South Senior High School ranks #7 of 8 public schools in West Nyack, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in West Nyack on the city page.

What other schools are in Clarkstown Central School District?

Besides Clarkstown South Senior High School, Clarkstown Central School District also operates Clarkstown North Senior High School (1,209 students), Felix Festa Determination Middle School (679 students), and Felix Festa Character Middle School (612 students). See the Clarkstown Central School District district page for the complete list.

Read our methodology - how this data is sourced, computed, and verified.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved
Compiled from official source data by .