Enrollment
468
Massachusetts · 2024-25 NCES data
Elementary school (grades K-5) · North Chelmsford, MA
Federal NCES profile for Charles D Harrington, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
The verdict
Charles D Harrington earns 34/100 on the Resource Investment Index, with class sizes larger than 84% of Massachusetts schools.
Charles D Harrington has class sizes larger than 84% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
NCES ID 250351000474 Verify on NCES CCD record →
Enrollment
468
Massachusetts · 2024-25 NCES data
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
14.6:1
vs 12.3:1 Massachusetts avg
+19% vs state
How Charles D Harrington compares with Massachusetts and U.S. medians
Slightly above state median
14.6:1 - 2.3 above the Massachusetts state median of 12.3:1, indicating larger average class loads than typical schools in the state.
Charles D Harrington is a mid-sized elementary school in North Chelmsford, Massachusetts, enrolling 468 students.
Class loads run somewhat heavier than typical: 14.6:1 puts it in the larger third of Massachusetts schools by student-teacher ratio.
With 468 students, its enrollment sits close to the Massachusetts median campus size.
Its Resource Investment Index lands in the lower third of 1,831 scored Massachusetts schools.
Its student body is led by White (56%) and Asian (19%) (diversity index 62/100).
Counselor access is stretched at roughly 468 students per counselor, well above the ASCA-recommended 250:1 ceiling.
16.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Chelmsford spends $17,638 per pupil, 21% below the Massachusetts average, a leaner-resourced district than most.
Chelmsford also operates Chelmsford High (1,402 students) and Mccarthy Middle School (808 students) alongside Charles D Harrington.
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
Charles D Harrington on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.6:1 | ▲ 19% | 12.3:1 | 15.7:1 |
| Enrollment | 468 | top 41% | - | - |
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 56.4% of enrollment.
Simpson diversity index - at 62.3, Charles D Harrington is more mixed than the Massachusetts school average of 47.3.
District-wide per-pupil expenditure for Chelmsford, which includes Charles D Harrington.
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 |
|---|---|---|---|
| Chelmsford High | Larger | No free-lunch data | Similar S:T ratio |
| Mccarthy Middle School | Larger | No free-lunch data | Lower S:T ratio |
| Col Moses Parker School | Larger | No free-lunch data | Lower S:T ratio |
| Byam School | Similar size | No free-lunch data | Lower S:T ratio |
| Center Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Charles D Harrington's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Charles D Harrington'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.
Charles D Harrington has 468 students enrolled. It is an elementary school in North Chelmsford, MA.
The student-teacher ratio at Charles D Harrington is 14.6:1, which is 19% higher than the Massachusetts average of 12.3:1 and 7% lower than the national average of 15.7:1.
The largest demographic group at Charles D Harrington is White at 56.4% of enrollment, in North Chelmsford, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.3/100.
Charles D Harrington has a Resource Investment Index of 34/100 (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).
Charles D Harrington earns 34/100 on the Resource Investment Index, with class sizes larger than 84% 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.
Besides Charles D Harrington, Chelmsford also operates Chelmsford High (1,402 students), Mccarthy Middle School (808 students), and Col Moses Parker School (778 students). See the Chelmsford 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, “Charles D Harrington, North Chelmsford MA.” 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/charles-d-harrington-ma
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