Enrollment
833
New Jersey · 2024-25 NCES data
Middle school (grades 6-8) · Chatham, NJ
Chatham Middle School
Federal NCES profile for Chatham Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 340000406015
👥 S:T ratio 61
🌟 Gifted program 30
🎓 Counselors 58
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Chatham Middle School earns 55/100 on the Resource Investment Index, with class sizes smaller than 78% of New Jersey schools.
- #2 of 6
- public schools in Chatham · Resource Index
- 55
- Resource Index · Higher
- 9.7:1
- small classes for New Jersey
- 1.4%
- free-lunch eligible
Chatham Middle School has class sizes smaller than 78% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Chatham Middle School ranks #2 of 6 public schools in Chatham, NJ.
School address
District: School District of the Chathams · New Jersey
NCES ID 340000406015 Verify on NCES CCD record →
Teachers (FTE)
86.0
Federal CCD staff survey
Students per teacher
9.7:1
vs 11.8:1 New Jersey avg
-18% vs state
Free-lunch eligible
1.4%
vs 29.6% New Jersey avg
-95% vs state
Student-teacher ratio in context
How Chatham Middle School compares with New Jersey and U.S. medians
What stands out at Chatham Middle School
Chatham Middle School is a lower-poverty, large middle school in Chatham, New Jersey, enrolling 833 students.
Class sizes run a bit leaner than typical: 9.7:1 puts it in the smaller third of New Jersey schools by student-teacher ratio.
Comparatively few students face economic hardship here, 1.4% free-meal eligibility runs 95% below the New Jersey average.
Enrollment of 833 puts it in the larger third of New Jersey schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,501 scored New Jersey schools.
Against 310 statewide peers matched on enrollment and economic need, it ranks mid-pack at #160.
Its student body is led by White (67%) and Asian (17%) (diversity index 51/100).
Counselor coverage is strong, about 208 students per counselor, inside the American School Counselor Association's recommended 250:1.
11.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
School District of the Chathams also operates Chatham High School (1,205 students) and Lafayette Avenue School (554 students) alongside Chatham Middle 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 Middle School compares
Chatham Middle 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 | 9.7:1 | ▼ 18% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 1.4% | ▼ 95% | 29.6% | 51.7% |
| Enrollment | 833 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.7:1
Leaner classes than 90% of US schools, among the more generously staffed nationally.
833
Bigger than 87% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
1.4%
free-lunch eligible
- 95% below the New Jersey average of 29.6%
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
9.7:1
students per teacher
- 18% below state mean
Top 22% in New Jersey - lower ratio than 78% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
11.2%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$23,089
per pupil, district-wide
- below New Jersey avg of $24,984
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors4.0 FTE
Per 208 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 16 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.9 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 67.1%
Asian 17.2%
Hispanic or Latino 7.7%
Two or More 6.2%
African American 1.6%
American Indian / Alaska Native 0.2%
Largest group: White at 67.1% of enrollment.
Student-body diversity index 51.0/100
Simpson diversity index - at 51.0, Chatham Middle School is about as mixed as the New Jersey school average of 51.2.
Programs
Funding & spending
District-wide per-pupil expenditure for School District of the Chathams, which includes Chatham Middle School.
$23,089
Per student
-8%
vs New Jersey
Avg $24,984
+39%
vs U.S.
Avg $16,593
Revenue mix
Local 74.4%
State 23.4%
Federal 2.2%
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 Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Chatham High School | Larger | Similar economic need | Higher 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 | Higher S:T ratio |
| Washington Avenue School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Chatham Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,205
- Students per teacher
- 11.8:1
- Resource Index
- 66/100
- Enrollment
- 554
- Students per teacher
- 10.7:1
- Resource Index
- 40/100
- Enrollment
- 369
- Students per teacher
- 10.9:1
- Resource Index
- 48/100
- Enrollment
- 301
- Students per teacher
- 12:1
- Resource Index
- 52/100
- Enrollment
- 286
- Students per teacher
- 11.4:1
- Resource Index
- 51/100
Similar middle schools statewide
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.
Similar enrollment (~833 students)
Next steps
Verify locally before acting on Chatham Middle School's federal record.
- Compare Chatham Middle School against another school. Compare schools
- School District of the Chathams'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 Middle School
How many students attend Chatham Middle School?
Chatham Middle School has 833 students enrolled. It is a middle school in Chatham, NJ.
What is the student-teacher ratio at Chatham Middle School?
The student-teacher ratio at Chatham Middle School is 9.7:1, which is 18% lower than the New Jersey average of 11.8:1 and 38% 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 Middle School?
1.4% of students at Chatham Middle School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Chatham Middle School?
The largest demographic group at Chatham Middle School is White at 67.1% of enrollment, in Chatham, NJ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.0/100.
What is the Resource Investment Index for Chatham Middle School?
Chatham Middle School has a Resource Investment Index of 55/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Chatham Middle School rank among public schools in Chatham?
By Resource Investment Index, Chatham Middle School ranks #2 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.
Is Chatham Middle School a good school?
Chatham Middle School earns 55/100 on the Resource Investment Index, with class sizes smaller than 78% of New Jersey 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 School District of the Chathams?
Besides Chatham Middle School, School District of the Chathams also operates Chatham High School (1,205 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.
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.