Serving 936 students in grades 6-8, Wm Diamond Middle School ranks in the top 5% of all schools in Massachusetts for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 84% (which is higher than the Massachusetts state average of 42%). The percentage of students achieving proficiency in reading/language arts is 78% (which is higher than the Massachusetts state average of 44%).
The student-teacher ratio of 9:1 is lower than the Massachusetts state level of 12:1.
Minority enrollment is 65% of the student body (majority Asian), which is higher than the Massachusetts state average of 49% (majority Hispanic and Black).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 936 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 65%
- Overall Testing Rank: Top 5% in MA
- Math Proficiency: 84% (Top 5%)
- Reading Proficiency: 78% (Top 5%)
- Science Proficiency: 86% (Top 1%)
- Source: National Center for Education Statistics (NCES), MA Dept. of Education
Top Rankings
Wm Diamond Middle School ranks among the top 20% of public schools in Massachusetts for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Diversity
Student Attention
School Overview
Wm Diamond Middle School's student population of 936 students has stayed relatively flat over five school years.
The teacher population of 99 teachers has grown by 11% over five school years.
Grades Offered
Grades 6-8
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
936 students
Total Classroom Teachers
99 teachers
School Rankings
Wm Diamond Middle School ranks within the top 5% of all 1,626 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of Wm Diamond Middle School is 0.67, which is more 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
#31 out of 1626 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
84%
42%
Reading/Language Arts Test Scores (% Proficient)
78%
44%
Science Test Scores (% Proficient)
86%
44%
Student-Teacher Ratio
9:1
12:1
American Indian
n/a
n/a
Asian
44%
8%
Hispanic
8%
26%
Black
4%
10%
White
35%
51%
Hawaiian
n/a
n/a
Two or more races
9%
5%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
4%
34%
Eligible for Reduced Lunch
1%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MA Dept. of Education
Frequently Asked Questions
What is Wm Diamond Middle School's ranking?
Wm Diamond Middle School is ranked #31 out of 1,626 schools, which ranks it among the top 5% of public schools in Massachusetts.
What schools are Wm Diamond Middle School often compared to?
Wm Diamond Middle Schoolis often viewed alongside schools like Jonas Clarke Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
84% of students have achieved math proficiency (compared to the 42% MA state average), while 78% of students have achieved reading proficiency (compared to the 44% MA state average).
How many students attend Wm Diamond Middle School?
936 students attend Wm Diamond Middle School.
What is the racial composition of the student body?
44% of Wm Diamond Middle School students are Asian, 35% of students are White, 9% of students are Two or more races, 8% of students are Hispanic, and 4% of students are Black.
What is the student-teacher ratio of Wm Diamond Middle School?
Wm Diamond Middle School has a student ration of 9:1, which is lower than the Massachusetts state average of 12:1.
What grades does Wm Diamond Middle School offer ?
Wm Diamond Middle School offers enrollment in grades 6-8 (Supplemental Virtual).
What school district is Wm Diamond Middle School part of?
Wm Diamond Middle School is part of Lexington School District.
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