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Massachusetts public elementary school

Charles D Harrington Elementary

Chelmsford school district

B-
overall grade

Ranks #402 of 895 Massachusetts elementary schools — top 45%.

Overall rank
#402
of 895 schools
ELA · 2024–2026
48%
MA average 42%
Math · 2024–2026
47%
MA average 43%
Avg class size
23
479 students

ELA and Math show the share of 3rd graders meeting or exceeding expectations on the MCAS, averaged over 2024–2026.

How it compares

What stands out
  • Strongest area: Attendance, in the top 20% statewide. Students attend 95.3% of school days on average.
  • Relative weak spot: Math ranks in the top 45%, below its other categories.
  • Trend: Chronic absence has fallen from 15.7% in 2022 to 9.4% in 2025.
  • Trend: Math is up 5 points since 2023 (43% to 48%).
Where it stands among 895 Massachusetts elementary schools
Bottom of MATop of MA
Overall
Averagetop 45% · #402
ELA
Averagetop 43% · #380
Math
Averagetop 45% · #400
Attendance
Above averagetop 20% · #178
Teacher quality
Above averagetop 26% · #232

MCAS standings use the 2024–2026 average of grade 3 results, so one unusual year doesn't swing a school's ranking. Scores in the sections below are from 2026.

Test scores

ELA has been above the state average in 7 of 8 years since 2018. Math has been above the state average in 6 of 8 years since 2018.

Share of 3rd graders meeting or exceeding expectations on the MCAS. There was no test in 2020.

English Language Arts50%in 2026 · state 43%
7 points above the state
0%50%100%This school50%State43%20172019202120232026
Math48%in 2026 · state 42%
6 points above the state
0%50%100%This school48%State42%20172019202120232026
Detailed scores
Average scaled score, ELA (500+ = meeting expectations)499
Average scaled score, Math (500+ = meeting expectations)498
Achievement percentile vs. MA schools (ELA · Math)62nd · 56th

Students & classrooms

Classrooms
Students479
Average class size23MA avg 18
Students per teacher12.3MA avg 12.1
Who attends
White
56.4%
Asian
19%
Hispanic/Latino
12.7%
Black/African American
5.9%
Multi-Race
5.4%
Native Hawaiian/Pacific Islander
0.4%
American Indian/Alaska Native
0.2%

48.6% girls · 51.4% boys

Student needs
Low incomeLower than average
This school
25.1%
MA avg
42.8%
English learnersLower than average
This school
6.7%
MA avg
17.2%
Students with disabilitiesHigher than average
This school
26.1%
MA avg
22.3%

Teachers

Licensed teachersAbout average
This school
100%
MA avg
98.4%
Experienced teachersAbout average
This school
79%
MA avg
73.2%
Teaching in their fieldAbout average
This school
100%
MA avg
92.4%
Stayed from last yearAbout average
This school
86.5%
MA avg
82.7%
More staffing details
Teachers (full-time equivalent)38.2
Principal retention100%
General education teachers69.5%
Special education teachers27.3%
English learner teachers3.3%

Attendance & safety

Attendance rateBetter than average
This school
95.3%
MA avg
94.1%
Chronically absentmissed 10%+ of daysBetter than average
This school
9.4%
MA avg
15.6%

8.2 days absent per student (MA avg 10.3) · Suspensions: Not reported

About Chelmsford

Middlesex County · North Shore & Merrimack Valley
Avg single-family home value$695KMA median $588K
Avg property tax bill$9,219MA median $6,814
Tax rate$13.30 per $1,000MA median $12.40
Income per person$67,479MA median $47,872
Local kids in public school97%
Town bond ratingAA+
Free cash reserves3% of budget

Chelmsford district profile · What could you afford here? · All towns A–Z

Town figures are FY2026 averages for single-family homes from the Massachusetts Department of Revenue. Assessed values usually run below recent sale prices. "MA median" is the median of the state's 351 towns.

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