Enrollment
1,205
New Jersey · 2024-25 NCES data
High school (grades 9-12) · Chatham, NJ
Federal NCES profile for Chatham High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 73/100.
The verdict
Chatham High School earns 73/100 on the Resource Investment Index, with class sizes near the New Jersey median.
Chatham High School has class sizes near the New Jersey median. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Chatham High School ranks #1 of 6 public schools in Chatham, NJ.
NCES ID 340000406014 Verify on NCES CCD record →
Enrollment
1,205
New Jersey · 2024-25 NCES data
Teachers (FTE)
102.0
Federal CCD staff survey
Students per teacher
11.8:1
vs 11.8:1 New Jersey avg
+0% vs state
Free-lunch eligible
1.1%
vs 29.6% New Jersey avg
-96% vs state
How Chatham High School compares with New Jersey and U.S. medians
At or below state median
11.8:1 - 0.0 below the New Jersey state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Chatham High School is a lower-poverty, large high school in Chatham, New Jersey, enrolling 1,205 students.
At 11.8:1, its student-teacher ratio sits close to the New Jersey median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 1.1% free-meal eligibility runs 96% below the New Jersey average.
By headcount it is one of the larger campuses in New Jersey, bigger than 94% of state schools at 1,205 students.
Its Resource Investment Index lands in the upper third of 2,501 scored New Jersey schools.
Against 161 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #29.
Its student body is led by White (72%) and Asian (13%) (diversity index 46/100).
On the academic-pipeline side it reports 31 Advanced Placement courses.
Counselor coverage is strong, about 172 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 9.3% of students were chronically absent, below the typical post-pandemic national figure.
School District of the Chathams also operates Chatham Middle School (833 students) and Lafayette Avenue School (554 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
Chatham High School on the metrics families compare, against New Jersey and U.S. means.
| Metric | This school | vs New Jersey | New Jersey avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.8:1 | ▼ 0% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 1.1% | ▼ 96% | 29.6% | 51.7% |
| Enrollment | 1,205 | top 6% | - | - |
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 72.0% of enrollment.
Simpson diversity index - at 45.5, Chatham High School is less mixed than the New Jersey school average of 51.2.
District-wide per-pupil expenditure for School District of the Chathams, which includes Chatham 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 |
|---|---|---|---|
| Chatham Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Lafayette Avenue School | Smaller | Similar economic need | Similar S:T ratio |
| Southern Boulevard School | Smaller | Similar economic need | Similar S:T ratio |
| Milton Avenue School | Smaller | Similar economic need | Similar S:T ratio |
| Washington Avenue School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Chatham 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 Jersey, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Chatham 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.
Chatham High School has 1,205 students enrolled. It is a high school in Chatham, NJ.
The student-teacher ratio at Chatham High School is 11.8:1, which is 0% higher than the New Jersey average of 11.8:1 and 25% lower than the national average of 15.7:1.
1.1% of students at Chatham High School are eligible for free lunch, compared to the New Jersey average of 29.6%.
The largest demographic group at Chatham High School is White at 72.0% of enrollment, in Chatham, NJ.
Chatham High School has a Resource Investment Index of 73/100 (higher 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, Chatham High School ranks #1 of 6 public schools in Chatham, NJ. 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.
Chatham High School earns 73/100 on the Resource Investment Index, with class sizes near the New Jersey 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 Chatham High School, School District of the Chathams also operates Chatham Middle School (833 students), Lafayette Avenue School (554 students), and Southern Boulevard School (369 students). See the School District of the Chathams 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, “Chatham High School, Chatham NJ.” 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/chatham-high-school-nj
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