The brief
A Chelmsford elementary school where students score 49 points above what's typical for similar communities.
It ranks 923 of 1,793 schools in Massachusetts and 7 of 8 in Chelmsford.
Charles D Harrington is listed in Chelmsford, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.
- 202649%
- 202547%
- 202447%
- 202352%
- 202252%
- 2021*49%
* A COVID-affected year: test participation was uneven nationwide, so the model weights it at half.
About this school's data1 correction under review · rating: low confidence · 6 sources, 2019–2026
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.
Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.
Full Profile · 3/3 metrics
Multi-year averages used by the rating model: math 56% (multi-year average, 2009-2026) · reading/ELA 58% (multi-year average, 2009-2026).
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2026 MCAS · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2026 MCAS. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2026 MCAS · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2026 MCAS. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- State assessments · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 01863; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2026; directory SY 2023–24
The neighborhood
Where it sits, and what the area looks like.Open the Boston school map to see school quality against home prices across the metro.
The area
- Median income
- $136,284
- Median home value
- $477,900
- Median rent
- $1,698/mo
- College educated
- 48.6%
- Homeownership
- 84.4%
- Poverty rate
- 3.4%
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 01863; this is area context, not an attendance boundary.
Getting around
- Walk Score
- 15
- Car-Dependent
- Bike Score
- 22
- Somewhat Bikeable
- County reported crime
- 1,110/100K
- Reported Part-1 offenses (violent + property + arson) per 100,000 county residents, counting every city police department, sheriff's office and county police department that reported a full year to the FBI Uniform Crime Reporting program. Shown only where those agencies cover at least 80% of the county's residents. Not a school safety rating.
Walk, transit and bike scores by
FBI Uniform Crime Reporting · 2025 · county context, not school-level safety or attendance eligibility. Source details
Compare nearby
Grade-compatible schools using the same rating model.- 7.1Compare →
- 6.9Compare →
- 6.8Compare →
- 6.5Compare →
- 6.5Compare →
- Charles D Harrington6.2
- 5.0Compare →
- 4.0Compare →
- 3.8Compare →
Distance is proximity only; it is not attendance eligibility.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
The record
What is on file, and where each number came from.Questions families ask
What grades does Charles D Harrington serve?
Charles D Harrington serves students in grades Kindergarten through 4th.
How many students attend Charles D Harrington?
Charles D Harrington has an enrollment of approximately 477 students.
What is the student-teacher ratio at Charles D Harrington?
The student-teacher ratio at Charles D Harrington is 13.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Charles D Harrington rank in MA?
Charles D Harrington ranks #923 of 1,793 schools in MA.
What is Charles D Harrington's MySchoolScout rating?
Charles D Harrington has a current MySchoolScout rating of 6.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Charles D Harrington?
Based on loaded state assessment records, Charles D Harrington has 56% math proficiency (multi-year average, 2009-2026) and 58% reading/ELA proficiency (multi-year average, 2009-2026).
Is Charles D Harrington a charter school?
No, Charles D Harrington is not a charter school. It is a traditional public school operated by the local school district.
Is Charles D Harrington a Title I school?
No, Charles D Harrington is not currently a Title I school.
School facts
- Grades
- Kindergarten – 4th
- Enrollment
- 477
- Student-teacher ratio
- 13.2:1
- Teachers (FTE)
- 36
- Type
- Regular
- Title I
- No
- Setting
- Large Suburb
- County
- Middlesex County
- Phone
- (978) 251-5166
- Rank in district
- #7 of 8
- Schools in district
- 8
- District spending per student
- $18,243
- NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 5.0%
- Census SAIPE · 2024
- Area population (ZIP 01863)
- 9,592
- Area average commute
- 29 min
- Area median age
- 42.8
NCES Common Core of Data (CCD) (SY 2023–24).
Sources and official links
Keep exploring
Related reading
Data from NCES Common Core of Data, Mass. Dept. of Elementary & Secondary Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.