Enrollment
631
Massachusetts · 2024-25 NCES data
Elementary school (grades K-5) · Charlton, MA
Charlton Middle School
Federal NCES profile for Charlton Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataElementary school (grades K-5)NCES 250436001597
👥 S:T ratio 46
🌟 Gifted program 30
🎓 Counselors 67
📋 Attendance 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Charlton Middle School earns 46/100 on the Resource Investment Index, with class sizes larger than 73% of Massachusetts schools.
- #1 of 4
- public schools in Charlton · Resource Index
- 46
- Resource Index · Typical
- 13.4:1
- large classes for Massachusetts
- 631
- students enrolled
Charlton Middle School has class sizes larger than 73% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Charlton Middle School ranks #1 of 4 public schools in Charlton, MA.
School address
District: Dudley-Charlton Reg · Massachusetts
NCES ID 250436001597 Verify on NCES CCD record →
Teachers (FTE)
47.0
Federal CCD staff survey
Students per teacher
13.4:1
vs 12.3:1 Massachusetts avg
+9% vs state
Student-teacher ratio in context
How Charlton Middle School compares with Massachusetts and U.S. medians
What stands out at Charlton Middle School
Charlton Middle School is a mid-sized elementary school in Charlton, Massachusetts, enrolling 631 students.
Class loads run somewhat heavier than typical: 13.4:1 puts it in the larger third of Massachusetts schools by student-teacher ratio.
Enrollment of 631 puts it in the larger third of Massachusetts schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,831 scored Massachusetts schools.
Its student body is predominantly White (83% of enrollment) (diversity index 31/100).
Counselor coverage is strong, about 166 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 23.6% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Dudley-Charlton Reg spends $16,997 per pupil, 24% below the Massachusetts average, a leaner-resourced district than most.
Among Charlton's elementary schools, it stands alongside Heritage School (425 students): Charlton Middle School is larger than that campus by headcount and runs heavier classes (13.4:1 vs 12.5:1).
Dudley-Charlton Reg also operates Shepherd Hill Regional High (942 students) and Dudley Middle School (540 students) alongside Charlton 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 Charlton Middle School compares
Charlton Middle School on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.4:1 | ▲ 9% | 12.3:1 | 15.7:1 |
| Enrollment | 631 | top 23% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.4:1
Leaner classes than 63% of US schools, a middle-of-the-pack class size.
631
Bigger than 75% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
13.4:1
students per teacher
- 9% above state mean
Top 73% in Massachusetts - lower ratio than 27% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
23.6%
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
$16,997
per pupil, district-wide
- below Massachusetts avg of $22,458
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors3.8 FTE
Per 166 students, the combined health-and-guidance staffing load for this school.
Discipline context
21
in-school suspensions + 4 out-of-school
Suspension rate: 3.3 per 100 students. Combined in-school and out-of-school rate: 4.0 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 82.5%
Hispanic or Latino 10.2%
Two or More 5.2%
African American 1.7%
Asian 0.3%
Largest group: White at 82.5% of enrollment.
Student-body diversity index 30.6/100
Simpson diversity index - at 30.6, Charlton Middle School is less mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Dudley-Charlton Reg, which includes Charlton Middle School.
$16,997
Per student
-24%
vs Massachusetts
Avg $22,458
+2%
vs U.S.
Avg $16,593
Revenue mix
Local 39.9%
State 51.4%
Federal 8.7%
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 Charlton Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Shepherd Hill Regional High | Larger | No free-lunch data | Similar S:T ratio |
| Dudley Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| Heritage School | Smaller | No free-lunch data | Similar S:T ratio |
| Charlton Elementary | Smaller | No free-lunch data | Similar S:T ratio |
| Dudley Elementary | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Charlton Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 942
- Students per teacher
- 14.3:1
- Resource Index
- 43/100
- Enrollment
- 540
- Students per teacher
- 12.6:1
- Resource Index
- 45/100
- Enrollment
- 425
- Students per teacher
- 12.5:1
- Resource Index
- 35/100
- Enrollment
- 333
- Students per teacher
- 14.5:1
- Resource Index
- 30/100
- Enrollment
- 315
- Students per teacher
- 12.6:1
- Resource Index
- 37/100
Similar elementary schools in Charlton
1 comparable elementary schools (grades K-5) serving the same city.
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Massachusetts, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~631 students)
Similar student-teacher ratio (~13.4:1)
Next steps
Verify locally before acting on Charlton Middle School's federal record.
- Compare Charlton Middle School against another school. Compare schools
- Dudley-Charlton Reg'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 Charlton Middle School
How many students attend Charlton Middle School?
Charlton Middle School has 631 students enrolled. It is an elementary school in Charlton, MA.
What is the student-teacher ratio at Charlton Middle School?
The student-teacher ratio at Charlton Middle School is 13.4:1, which is 9% higher than the Massachusetts average of 12.3:1 and 15% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Charlton Middle School?
The largest demographic group at Charlton Middle School is White at 82.5% of enrollment, in Charlton, MA.
What is the Resource Investment Index for Charlton Middle School?
Charlton Middle School has a Resource Investment Index of 46/100 (typical 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 Charlton Middle School rank among public schools in Charlton?
By Resource Investment Index, Charlton Middle School ranks #1 of 4 public schools in Charlton, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Charlton on the city page.
Is Charlton Middle School a good school?
Charlton Middle School earns 46/100 on the Resource Investment Index, with class sizes larger than 73% of Massachusetts 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 Dudley-Charlton Reg?
Besides Charlton Middle School, Dudley-Charlton Reg also operates Shepherd Hill Regional High (942 students), Dudley Middle School (540 students), and Heritage School (425 students). See the Dudley-Charlton Reg 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.