Enrollment
316
New York · 2024-25 NCES data
High school (grades 9-12) · Chatham, NY
Chatham High School
Federal NCES profile for Chatham High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 360711000500
👥 S:T ratio 64
📚 AP courses 40
🌟 Gifted program 30
🎓 Counselors 68
📋 Attendance 24
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Chatham High School earns 45/100 on the Resource Investment Index, with class sizes smaller than 82% of New York schools.
- #1 of 3
- public schools in Chatham · Resource Index
- 45
- Resource Index · Typical
- 9:1
- small classes for New York
- 35.3%
- free-lunch eligible
Chatham High School has class sizes smaller than 82% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Chatham High School ranks #1 of 3 public schools in Chatham, NY.
School address
District: Chatham Central School District · New York
NCES ID 360711000500 Verify on NCES CCD record →
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
9:1
vs 11.8:1 New York avg
-24% vs state
Free-lunch eligible
35.3%
vs 56.2% New York avg
-37% vs state
Student-teacher ratio in context
How Chatham High School compares with New York and U.S. medians
What stands out at Chatham High School
Chatham High School is a mid-sized high school in Chatham, New York, enrolling 316 students.
Class sizes run a bit leaner than typical: 9:1 puts it in the smaller third of New York schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 35.3% of students eligible for free meals.
Enrollment of 316 puts it in the smaller third of New York schools by headcount.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 730 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #208.
Its student body is predominantly White (84% of enrollment) (diversity index 28/100).
On the academic-pipeline side it reports 8 Advanced Placement courses.
Counselor coverage is strong, about 158 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 30.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Chatham Central School District also operates Mary E Dardess Elementary School (365 students) and Chatham Middle School (226 students) alongside Chatham 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
How Chatham High School compares
Chatham 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 | 9:1 | ▼ 24% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 35.3% | ▼ 37% | 56.2% | 51.7% |
| Enrollment | 316 | top 72% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
316
Bigger than 35% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
35.3%
free-lunch eligible
- 37% below the New York average of 56.2%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
9:1
students per teacher
- 24% below state mean
Top 18% in New York - lower ratio than 82% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
30.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$31,503
per pupil, district-wide
- above New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 158 students, the combined health-and-guidance staffing load for this school.
Discipline context
17
in-school suspensions + 14 out-of-school
Suspension rate: 5.4 per 100 students. Combined in-school and out-of-school rate: 9.8 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 84.2%
Hispanic or Latino 8.5%
Two or More 5.7%
African American 0.9%
Asian 0.6%
Largest group: White at 84.2% of enrollment.
Student-body diversity index 28.0/100
Simpson diversity index - at 28.0, Chatham High School is less mixed than the New York school average of 45.5.
Programs
AP courses offered 8
Funding & spending
District-wide per-pupil expenditure for Chatham Central School District, which includes Chatham High School.
$31,503
Per student
+19%
vs New York
Avg $26,410
+90%
vs U.S.
Avg $16,593
Revenue mix
Local 67.6%
State 26.7%
Federal 5.8%
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.
How Chatham High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mary E Dardess Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Chatham Middle School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Chatham High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 365
- Students per teacher
- 10.1:1
- Resource Index
- 34/100
- Enrollment
- 226
- Students per teacher
- 7.3:1
- Resource Index
- 45/100
Similar high schools statewide
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.
Similar enrollment (~316 students)
Next steps
Verify locally before acting on Chatham High School's federal record.
- Compare Chatham High School against another school. Compare schools
- Chatham Central School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Chatham High School
How many students attend Chatham High School?
Chatham High School has 316 students enrolled. It is a high school in Chatham, NY.
What is the student-teacher ratio at Chatham High School?
The student-teacher ratio at Chatham High School is 9:1, which is 24% lower than the New York average of 11.8:1 and 43% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Chatham High School?
35.3% of students at Chatham High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Chatham High School?
The largest demographic group at Chatham High School is White at 84.2% of enrollment, in Chatham, NY.
What is the Resource Investment Index for Chatham High School?
Chatham High School has a Resource Investment Index of 45/100 (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).
How does Chatham High School rank among public schools in Chatham?
By Resource Investment Index, Chatham High School ranks #1 of 3 public schools in Chatham, 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 Chatham on the city page.
Is Chatham High School a good school?
Chatham High School earns 45/100 on the Resource Investment Index, with class sizes smaller than 82% of New York schools. 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.
What other schools are in Chatham Central School District?
Besides Chatham High School, Chatham Central School District also operates Mary E Dardess Elementary School (365 students) and Chatham Middle School (226 students). See the Chatham Central School District district page for the complete list.
Related tools
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.