Serving 510 students in grades Kindergarten-4, Byam School ranks in the top 50% of all schools in Massachusetts for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 45-49% (which is higher than the Massachusetts state average of 42%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is higher than the Massachusetts state average of 44%).
The student-teacher ratio of 13:1 is higher than the Massachusetts state level of 12:1.
Minority enrollment is 35% of the student body (majority Asian and Hispanic), which is lower than the Massachusetts state average of 49% (majority Hispanic).
Quick Facts (2026-27)
- Grades: Kindergarten-4
- Enrollment: 510 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 35%
- Overall Testing Rank: Top 50% in MA
- Math Proficiency: 45-49% (Top 50%)
- Reading Proficiency: 50-54% (Top 50%)
- Attendance Zone: Byam School serves the southwest part of Chelmsford, MA, covering an area of approximately 6.4 square miles. Families living within this zone can typically expect a drive of 5 to 10 minutes to reach the school, with the furthest edge located about 3 miles away.
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
School Overview
Byam School's student population of 510 students has grown by 11% over five school years.
The teacher population of 39 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-4
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
510 students
Total Classroom Teachers
39 teachers
School Calendar
School Motto
Educating the whole child and creating a caring and supportive environment.
School Rankings
Byam School ranks within the top 50% of all 1,626 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Byam School is 0.55, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#594 out of 1626 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
45-49%
42%
Reading/Language Arts Test Scores (% Proficient)
50-54%
44%
Student-Teacher Ratio
13:1
12:1
American Indian
n/a
n/a
Asian
14%
8%
Hispanic
11%
26%
Black
4%
10%
White
65%
51%
Hawaiian
1%
n/a
Two or more races
5%
5%
All Ethnic Groups
Chronically Absent Students
(22-23)13.1%
22.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
9%
34%
Eligible for Reduced Lunch
2%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Frequently Asked Questions
What is Byam School's ranking?
Byam School is ranked #594 out of 1,626 schools, which ranks it among the top 50% of public schools in Massachusetts.
What schools are Byam School often compared to?
Byam Schoolis often viewed alongside schools like Center Elementary School, Charles D Harrington by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
45-49% of students have achieved math proficiency (compared to the 42% MA state average), while 50-54% of students have achieved reading proficiency (compared to the 44% MA state average).
How many students attend Byam School?
510 students attend Byam School.
What is the racial composition of the student body?
65% of Byam School students are White, 14% of students are Asian, 11% of students are Hispanic, 5% of students are Two or more races, 4% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Byam School?
Byam School has a student ration of 13:1, which is higher than the Massachusetts state average of 12:1.
What grades does Byam School offer ?
Byam School offers enrollment in grades Kindergarten-4 (Supplemental Virtual).
What school district is Byam School part of?
Byam School is part of Chelmsford School District.
School Reviews
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