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Average

#948 of 1,793 schools in MA

Byam School

Elementary School · Chelmsford · Chelmsford, MA

A Chelmsford elementary school serving grades Kindergarten – 4th.

25 Maple Road, Chelmsford, MA 01824

  • Math 51% vs MA 43% (2025)
  • Reading 59% vs MA 42% (2025)
  • 13.6:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress5.7Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data17
Annual Change-1.87 pts/yr
Data Period2009–2025
TrendDeclining
Academics7.6Very Good30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency50.5% (2025 MCAS)
Reading/ELA Proficiency58.5% (2025 MCAS)
Math vs. State Avg+8.4 pts
Reading vs. State Avg+15.9 pts
Overall Proficiency55% (2025 MCAS, Math+ELA)
Expected (poverty-adj.)54% (model expectation from 2025 MCAS)
vs. Expected+0.8 pts
Adjusted Percentile65th
Resources & Environment4.7Below Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio13.6:1
District spending per student$18,243
Chronic Absenteeism12.6%

Students at Byam School score 54% proficient, which is above what's typical for similar communities (expected: 54%).

How we calculate scores →

2025 MCAS proficiency

Most recent published year. School vs. MA average.

Math Proficiency51%(2025 MCAS)
School
State
43%(2025 MCAS)
ELA Proficiency59%(2025 MCAS)
School
State
42%(2025 MCAS)

Trend

→ Steady

Proficiency is down 21 points across the 17-year record (2009–2025) and has held near 55% recently.

Show all 17 years
2009
Math
74%
ELA
77%
2010
Math
76%
ELA
75%
2011
Math
70%
ELA
74%
2012
Math
73%
ELA
68%
2013
Math
67%
ELA
62%
2014
Math
70%
ELA
61%
2015
Math
71%
ELA
67%
2016
Math
56%
ELA
61%
2017
Math
62%
ELA
69%
2018
Math
63%
ELA
67%
2019
Math
63%
ELA
67%
2020*
Math
42%
ELA
72%
2021*
Math
39%
ELA
71%
2022
Math
53%
ELA
53%
2023
Math
49%
ELA
50%
2024
Math
65%
ELA
48%
2025
Math
51%
ELA
59%

Multi-year averages used by the rating model: math 59% (multi-year average, 2009-2025) · reading/ELA 63% (multi-year average, 2009-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 56 test records from MA state assessments and EdFacts (NCES).

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Byam School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Boston map →

Getting around & local context

  • Walk 19Car-Dependent
  • Bike 48Somewhat Bikeable
  • City Safety: Elevated1,250/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Chelmsford), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$141,337

Median home value

$590,900

Median rent

$2,076/mo

College educated

56.9%

Homeownership

82.7%

Poverty rate

4.6%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 01824; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Kindercare Learning Center - WestfordPrivate · tuitionNot ratedPK–K2.1 mi10Compare →
South RowEnrollment path unverified7.5K–42.4 mi465Compare →
Abbot ElementaryEnrollment path unverified6.23–52.7 mi372Compare →
Center Elementary SchoolEnrollment path unverified3.4K–42.7 mi466Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Chelmsford

Schools in district
8
Rank in district
#5 of 8
District spending per student
$18,243NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
5.0%Census SAIPE · 2024

Byam School is listed in Chelmsford; a district label does not verify attendance for an address.

About Byam School

Byam School is a public elementary school in Chelmsford, MA, part of Chelmsford, serving approximately 530 students in grades Kindergarten-4th with a 13.6:1 student-teacher ratio. It holds a MySchoolScout rating of 6.1 out of 10 and ranks #948 of 1,793 schools in MA. State assessment records show 59% math proficiency (multi-year average, 2009-2025) and 63% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Byam School

What grades does Byam School serve?

Byam School serves students in grades Kindergarten through 4th.

How many students attend Byam School?

Byam School has an enrollment of approximately 530 students.

What is the student-teacher ratio at Byam School?

The student-teacher ratio at Byam School is 13.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Byam School rank in MA?

Byam School ranks #948 of 1,793 schools in MA.

What is Byam School's MySchoolScout rating?

Byam School has a current MySchoolScout rating of 6.1 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 Byam School?

Based on loaded state assessment records, Byam School has 59% math proficiency (multi-year average, 2009-2025) and 63% reading/ELA proficiency (multi-year average, 2009-2025).

Is Byam School a charter school?

No, Byam School is not a charter school. It is a traditional public school operated by the local school district.

Is Byam School a Title I school?

No, Byam School is not currently a Title I school.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 4th
Enrollment
530
Student-Teacher Ratio
13.6:1
Teachers (FTE)
39
Type
regular
Setting
Large Suburb
County
Middlesex County
Chronic Absenteeism (SY 2022-23)
12.6%
Area population (ZIP 01824)
26,628
Area average commute
29.9 min
Area median age
42.8
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

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 · 2025 MCAS · 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 from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 MCAS · 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 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 01824; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

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