Enrollment
121
New York · 2024-25 NCES data
Other / mixed grade configuration · Dobbs Ferry, NY
Federal NCES profile for Clark Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 62/100.
The verdict
Clark Academy earns 62/100 on the Resource Investment Index, with class sizes smaller than 99% of New York schools. It is also one of the smallest schools in New York.
Clark Academy has class sizes smaller than 99% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Clark Academy ranks #4 of 7 public schools in Dobbs Ferry, NY.
NCES ID 362798005843 Verify on NCES CCD record →
Enrollment
121
New York · 2024-25 NCES data
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
4.7:1
vs 11.8:1 New York avg
-60% vs state
Free-lunch eligible
24.3%
vs 56.2% New York avg
-57% vs state
How Clark Academy compares with New York and U.S. medians
Smaller classes than state median
4.7:1 - 7.1 below the New York state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Clark Academy is a small combined-grade school in Dobbs Ferry, New York, enrolling 121 students.
Classes run notably small here: at 4.7:1, Clark Academy is leaner than roughly 99% of New York schools and 60% under the state's 11.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 24.3% of students eligible for free meals.
This is a small campus: fewer students than 97% of New York schools, with 121 enrolled.
Its Resource Investment Index outscores 96% of the 4,801 New York schools with a score on record, a top-tier result on this measure.
Among 33 similarly sized, similarly resourced-need New York schools statewide, it ranks #2, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (50%) and African American (34%) (diversity index 62/100).
Counselor coverage is strong, about 121 students per counselor, inside the American School Counselor Association's recommended 250:1.
Greenburgh-North Castle Union Free School District also operates Greenburgh Academy (136 students) and Kaplan Career Academy (89 students) alongside Clark Academy.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Clark Academy on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 4.7:1 | ▼ 60% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 24.3% | ▼ 57% | 56.2% | 51.7% |
| Enrollment | 121 | top 97% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Hispanic or Latino at 50.4% of enrollment.
Simpson diversity index - at 61.7, Clark Academy is more mixed than the New York school average of 45.5.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Greenburgh Academy | Similar size | Similar economic need | Higher S:T ratio |
| Kaplan Career Academy | Smaller | Similar economic need | Similar S:T ratio |
| Reach Academy (the) | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Clark Academy's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Clark Academy's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Clark Academy has 121 students enrolled. It is a special-education school in Dobbs Ferry, NY.
The student-teacher ratio at Clark Academy is 4.7:1, which is 60% lower than the New York average of 11.8:1 and 70% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
24.3% of students at Clark Academy are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at Clark Academy is Hispanic or Latino at 50.4% of enrollment, in Dobbs Ferry, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.7/100.
Clark Academy has a Resource Investment Index of 62/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Clark Academy ranks #4 of 7 public schools in Dobbs Ferry, 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 Dobbs Ferry on the city page.
Clark Academy earns 62/100 on the Resource Investment Index, with class sizes smaller than 99% of New York schools. It is also one of the smallest schools in New York. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Clark Academy, Greenburgh-North Castle Union Free School District also operates Greenburgh Academy (136 students), Kaplan Career Academy (89 students), and Reach Academy (the) (36 students). See the Greenburgh-North Castle Union Free School District district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Clark Academy, Dobbs Ferry NY.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/clark-academy-ny/
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