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SCHOOL COMMUNITY·CHELMSFORD·NCES 250351000472

Byam School

25 Maple Road, Chelmsford, MA 01824 · (978) 251-5144 · Middlesex County
GRADES KG–04ELEMENTARY21-SUBURBREGULAR SCHOOL510 STUDENTS
A-
allk12 Grade
Scored higher than 79% of Massachusetts public elementary schools
  • B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ·Beats expectations Not available for this school, so the grade uses the other parts.
  • B+Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Massachusetts public elementary schools

Enrollment
510
Elementary
DISTRICT 416 · STATE 381
Student : Teacher
13.0:1
39 FTE teachers
DISTRICT 13.8:1 · STATE 12.2:1
Free / Reduced Lunch
,
Title I proxy
Community
5
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten9318%
Grade 111623%
Grade 210020%
Grade 310320%
Grade 49819%

This year's kindergarten class (93) is 5% smaller than its 4th grade class (98).

Student demographics
54%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 56% · STATE 65% · US 70%
White
33265%
DISTRICT 63% · STATE 51% · US 43%
Hispanic
5711%
DISTRICT 9% · STATE 26% · US 30%
Black
194%
DISTRICT 4% · STATE 10% · US 15%
Asian
7415%
DISTRICT 19% · STATE 7% · US 6%
Two+
245%
DISTRICT 5% · STATE 5% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
31%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
26652%
Female
24448%

School pathway

Students here typically continue to
Byam School→Col Moses Parker School→McCarthy Middle School→Chelmsford High
Based on grade levels within Chelmsford. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

MCAS 2024-25 . % Meeting or Exceeding Expectations
English Language Arts
61.0%
MA avg 43.8% . +0.0pp since 2016
Math
50.0%
MA avg 42.2% . -7.0pp since 2016

What this means: On the MCAS, Massachusetts's statewide test, about 61 of every 100 students at this school read and write at grade level and about 50 of 100 do math at grade level. Across all Massachusetts schools, those numbers are about 44 and 42. Reading and writing scores have held steady since 2016, while math scores are down about 7 points.

MCAS results by year

School yearEnglish Language ArtsMath
2024-2561.0%50.0%
2023-2452.0%61.0%
2022-2355.0%48.0%
2021-2251.0%51.0%
2020-2171.0%43.0%
2018-1966.0%64.0%
2017-1869.0%62.0%
2016-1761.0%57.0%
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: MCAS. All students, all grades. See all years and grades →

Where Byam School ranks

Among elementary schools
MeasureThis schoolIn MassachusettsIn Middlesex County
Math proficiency
ranked highest first
50.0%#356 of 920
▼ 145
#123 of 207
▼ 39
Reading proficiency
ranked highest first
61.0%#160 of 920
▲ 101
#73 of 207
▲ 30
3-year test score change
ranked biggest gain first
+4.5pp#251 of 901#58 of 206
Enrollment
ranked largest first
510#223 of 1,086#47 of 238
Students per teacher
ranked fewest first
13.0:1#622 of 938#150 of 222
Diversity index
ranked most diverse first
53.9%#427 of 938#141 of 222
Enrollment change since 2017-18
ranked fastest growth first
+0.8%#308 of 317#75 of 77
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
510
+54 (+12%) vs 2020
-9% since 1990-91, when it was 562
Student : Teacher
13.0:1
was 12.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2551039.313.0:1N/A
2023-2453039.513.4:1N/A
2022-2350139.412.7:1N/A
2020-214563812.0:1N/A
2017-185063813.3:1N/A
2015-164763214.9:1N/A
2010-115252719.4:15% (26)
2000-01520N/AN/A3% (17)
1990-91562N/AN/AN/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Byam School.

Since 2017-18: students up 1% (506 to 510); teachers up 3% (38 to 39.3).

About Byam School

Byam School is a medium-sized elementary school found in Chelmsford, Massachusetts. It educates 510 students in kindergarten through 4. The school's enrollment is 34% larger than the 381 average for elementary schools in Massachusetts.

Byam School sits within Chelmsford, which has 8 schools and 5,068 students.

A majority of students at Byam School, 65%, are White. Next come 15% Asian, 11% Hispanic, 5% multiracial, and 4% Black. County-wide, about 67% of residents are White. Byam School has a diversity index of 54%, compared with 70% for all US public school students.

The school employs the equivalent of 39.3 full-time teachers, for a ratio of 13.0:1. Among elementary schools in Massachusetts, the typical ratio is 12.2:1.

The allk12 Grade for Byam School is A-. Compared with Massachusetts public elementary schools, the school scored higher than 79% on a mix of test scores, poverty-adjusted results, and recent trend.

Across Middlesex County, median household income is about $130,847, a bachelor's degree or higher is held by about 60% of adults, and the poverty rate is about 5%. The public schools of Middlesex County number 386 and enroll about 215,896.

Nearest public school: Nashoba Valley Technical High School, about 1.4 miles away. Other public schools within five miles: at least 8.

NCES describes the area around Byam School as Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

From 2020-21 to 2024-25, Byam School went from 456 students to 510.

The allk12 site hosts a discussion page for Byam School covering things like school events, clubs, and volunteer needs. Reviews and ratings from people who know the school are welcome.

Middlesex County at a glance

View full county profile
Population
1,638,365
Census ACS
Median income
$130,847
Household, ACS
Bachelor's+
60%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
386
215,896 students

Quick facts

School name
Byam School
District
Chelmsford
Address
25 Maple Road, Chelmsford, MA 01824
Phone
(978) 251-5144
County
Middlesex County
Level
Elementary
Grade range
KG–04
Total enrollment
510
Teachers (FTE)
39
Student–teacher ratio
13.0:1
Locale
21-Suburb: Large
NCES ID
250351000472
Charter school
No
Virtual school
No

Related schools

Other schools in Chelmsford
Other schools in Chelmsford
Nearby schools

Frequently asked questions

About Byam School
How many students attend Byam School?
Byam School enrolls approximately 510 students in grades KG-04.
What age range does Byam School serve?
Byam School serves students from grade KG through grade 04.
How many teachers does Byam School have?
Byam School employs 39 FTE teachers, for a student-to-teacher ratio of 13.0:1.
How diverse is Byam School?
Byam School reports a student body of 65% White, 11% Hispanic, 4% Black, 15% Asian, 5% Two or more.
Who oversees Byam School?
Byam School is overseen by Chelmsford in Middlesex County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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