Serving 387 students in grades Kindergarten-3, J Harding Armstrong 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 55-59% (which is higher than the Massachusetts state average of 44%).
The student-teacher ratio of 12:1 is equal to the Massachusetts state level of 12:1.
Minority enrollment is 54% of the student body (majority Asian), which is higher than the Massachusetts state average of 47% (majority Hispanic and Black).
Quick Facts (2026)
- Grades: Kindergarten-3
- Enrollment: 387 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 54%
- Overall Testing Rank: Top 50% in MA
- Math Proficiency: 45-49% (Top 50%)
- Reading Proficiency: 55-59% (Top 30%)
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
School Overview
J Harding Armstrong's student population of 387 students has stayed relatively flat over five school years.
The teacher population of 33 teachers has declined by 8% over five school years.
Grades Offered
Grades Kindergarten-3
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
387 students
Gender %
Total Classroom Teachers
33 teachers
School Calendar
Last Day of School
Mon. May 25, 2026
School Motto
Armstrong School is a dynamic community of learning and development where everyone has an equal opportunity to achieve excellence.
School Rankings
J Harding Armstrong 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 J Harding Armstrong is 0.68, which is more than the diversity score at state average of 0.65. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#544 out of 1626 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
45-49%
42%
Reading/Language Arts Test Scores (% Proficient)
55-59%
44%
Student-Teacher Ratio
12:1
12:1
American Indian
1%
n/a
Asian
31%
7%
Hispanic
12%
25%
Black
4%
10%
White
46%
53%
Hawaiian
n/a
n/a
Two or more races
6%
5%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
9%
35%
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 J Harding Armstrong's ranking?
J Harding Armstrong is ranked #544 out of 1,626 schools, which ranks it among the top 50% of public schools in Massachusetts.
What schools are J Harding Armstrong often compared to?
J Harding Armstrongis often viewed alongside schools like Annie E Fales, Elsie A Hastings Elementary School 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 55-59% of students have achieved reading proficiency (compared to the 44% MA state average).
How many students attend J Harding Armstrong?
387 students attend J Harding Armstrong.
What is the racial composition of the student body?
46% of J Harding Armstrong students are White, 31% of students are Asian, 12% of students are Hispanic, 6% of students are Two or more races, 4% of students are Black, and 1% of students are American Indian.
What is the student-teacher ratio of J Harding Armstrong?
J Harding Armstrong has a student ration of 12:1, which is equal to the Massachusetts state average of 12:1.
What grades does J Harding Armstrong offer ?
J Harding Armstrong offers enrollment in grades Kindergarten-3 (Supplemental Virtual).
What school district is J Harding Armstrong part of?
J Harding Armstrong is part of Westborough School District.
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