Enrollment
629
New York · 2024-25 NCES data
High school (grades 9-12) · Marlboro, NY
Federal NCES profile for Marlboro Central High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Marlboro Central High School earns 38/100 on the Resource Investment Index, with class sizes near the New York median.
Marlboro Central High School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Marlboro Central High School ranks #1 of 3 public schools in Marlboro, NY.
NCES ID 361857001670 Verify on NCES CCD record →
Enrollment
629
New York · 2024-25 NCES data
Teachers (FTE)
52.0
Federal CCD staff survey
Students per teacher
12.1:1
vs 11.8:1 New York avg
+3% vs state
Free-lunch eligible
30.9%
vs 56.2% New York avg
-45% vs state
How Marlboro Central High School compares with New York and U.S. medians
Slightly above state median
12.1:1 - 0.3 above the New York state median of 11.8:1, indicating larger average class loads than typical schools in the state.
Marlboro Central High School is a mid-sized high school in Marlboro, New York, enrolling 629 students.
Class loads run somewhat heavier than typical: 12.1:1 puts it in the larger third of New York schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 30.9% of students eligible for free meals.
Enrollment of 629 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 4,801 scored New York schools.
Against 731 statewide peers matched on enrollment and economic need, it ranks mid-pack at #332.
Its student body is led by White (55%) and Hispanic or Latino (29%) (diversity index 60/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Counselor coverage is strong, about 210 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 28.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 136 in- and out-of-school suspensions were reported for 629 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 7 expulsions at this campus for 2021-22.
Marlboro Central School District also operates Marlboro Elementary School (780 students) and Marlboro Middle School (440 students) alongside Marlboro Central High School.
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
Marlboro Central High School 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 | 12.1:1 | ▲ 3% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 30.9% | ▼ 45% | 56.2% | 51.7% |
| Enrollment | 629 | top 23% | - | - |
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: White at 55.0% of enrollment.
Simpson diversity index - at 59.9, Marlboro Central High School is more mixed than the New York school average of 45.5.
District-wide per-pupil expenditure for Marlboro Central School District, which includes Marlboro Central High School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Marlboro Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
| Marlboro Middle School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Marlboro Central High School'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 Marlboro Central High School'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.
Marlboro Central High School has 629 students enrolled. It is a high school in Marlboro, NY.
The student-teacher ratio at Marlboro Central High School is 12.1:1, which is 3% higher than the New York average of 11.8:1 and 23% lower than the national average of 15.7:1.
30.9% of students at Marlboro Central High School are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at Marlboro Central High School is White at 55.0% of enrollment, in Marlboro, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.9/100.
Marlboro Central High School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Marlboro Central High School ranks #1 of 3 public schools in Marlboro, 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 Marlboro on the city page.
Marlboro Central High School earns 38/100 on the Resource Investment Index, with class sizes near the New York median. 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 Marlboro Central High School, Marlboro Central School District also operates Marlboro Elementary School (780 students) and Marlboro Middle School (440 students). See the Marlboro Central 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, “Marlboro Central High School, Marlboro 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/marlboro-central-high-school-ny
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