- Enrollment
- 1,402
- Students per teacher
- 14:1
- Resource Index
- 47/100
Elementary school (grades K-5) · Chelmsford, MA
Byam School
Federal NCES profile for Byam School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataElementary school (grades K-5)NCES 250351000472
👥 S:T ratio 48
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Byam School earns 32/100 on the Resource Investment Index, with class sizes near the Massachusetts median.
- #5 of 5
- elementary schools in Chelmsford · Resource Index
- 32
- Resource Index · Typical
- 13.1:1
- students per teacher
- 510
- students enrolled
Byam School has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Byam School ranks #5 of 5 elementary schools in Chelmsford, MA.
School address
District: Chelmsford · Massachusetts
NCES ID 250351000472 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+29 students YoY
Byam School grew from 501 students in 2022-23 to 530 in 2023-24 (+5.8%).
Teacher FTE held 39.4 → 39.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+29 students YoY 250351000472 · Chelmsford, MA Elementary · MID · TRAD
510 enr · 13.1:1 · RII 32
Nearest enrollment peer: Chelmsford High (1,402 students)
Byam School grew from 501 students in 2022-23 to 530 in 2023-24 (+5.8%). Teacher FTE held 39.4 → 39.5 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →
Byam School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Chelmsford Hig
Chelmsford High
1,402 students
- Mccarthy Middl
Mccarthy Middle School
808 students
- Col Moses Park
Col Moses Parker School
778 students
- This school 510
Byam School
510 students
- Center Element 480
Center Elementary School
480 students
- Charles D Harr 468
Charles D Harrington
468 students
What this shows Byam School reports 510 students on the CCD universe file.
How Byam School compares
Byam School is a growing campus on CCD: ratios and free-lunch share vs Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.1:1 | ▲ 7% | 12.3:1 | 15.7:1 |
| Enrollment | 510 | top 35% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.1:1
Leaner classes than 66% of US schools, among the more generously staffed nationally.
510
Bigger than 63% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
13.1:1
students per teacher
- 7% above state mean
Top 69% in Massachusetts - lower ratio than 31% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
20.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,032
per pupil, district-wide
- below Massachusetts avg of $23,695
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 510 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 65.1%
Asian 14.5%
Hispanic or Latino 11.2%
Two or More 4.7%
African American 3.7%
Native Hawaiian / Pacific Islander 0.6%
American Indian / Alaska Native 0.2%
Largest group: White at 65.1% of enrollment.
Student-body diversity index 53.9/100
Simpson diversity index - at 53.9, Byam School is more mixed than the Massachusetts school average of 47.3.
Programs
District finance for Chelmsford reports $18,032 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Byam School Compares to District-Mates
| 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 | Similar S:T ratio |
| Col Moses Parker School | Larger | No free-lunch data | Similar S:T ratio |
| Center Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
| Charles D Harrington | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Byam School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 808
- Students per teacher
- 12.6:1
- Resource Index
- 48/100
- Enrollment
- 778
- Students per teacher
- 12.2:1
- Resource Index
- 40/100
- Enrollment
- 480
- Students per teacher
- 13.7:1
- Resource Index
- 38/100
- Enrollment
- 468
- Students per teacher
- 14.6:1
- Resource Index
- 34/100
Similar elementary schools in Chelmsford
4 comparable elementary schools (grades K-5) serving the same city.
Mccarthy Middle School
Standard public school
808 students 12.6:1 students per teacher
Col Moses Parker School
Standard public school
778 students 12.2:1 students per teacher
Center Elementary School
Standard public school
480 students 13.7:1 students per teacher
South Row
Standard public school
464 students 13.6:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~510 students)
Frequently asked questions about Byam School
How many students attend Byam School?
Byam School has 510 students enrolled. It is an elementary school in Chelmsford, MA. CCD year-over-year: 501 (2022-23) → 530 (2023-24), up 29.
What is the student-teacher ratio at Byam School?
The student-teacher ratio at Byam School is 13.1:1, which is 7% higher than the Massachusetts average of 12.3:1 and 17% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Byam School?
The largest demographic group at Byam School is White at 65.1% of enrollment, in Chelmsford, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.9/100.
What is the Resource Investment Index for Byam School?
Byam School has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Byam School rank among elementary schools in Chelmsford?
By Resource Investment Index, Byam School ranks #5 of 5 elementary schools in Chelmsford, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Chelmsford on the city page.
What other schools are in Chelmsford?
Besides Byam School, 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.