MASSACHUSETTS PUBLIC SCHOOL

Wm Diamond Middle

Lexington

LOCATIONMassachusetts
DESE SCHOOL CODE01550310
2026 MCAS ACHIEVEMENT RESULTS

Scores by tested grade

Percent of tested results at each achievement level, combined across available subjects.

Official DESE school profile ↗
GradeAchievement breakdownMeeting or exceeding
Grade 6582 tested results
Exceeding 34%Meeting 45%Partially meeting 16%Not meeting 6%
80%+37 pts vs. state
Grade 7621 tested results
Exceeding 32%Meeting 41%Partially meeting 23%Not meeting 5%
73%+33 pts vs. state
Grade 81,155 tested results
Exceeding 29%Meeting 51%Partially meeting 15%Not meeting 6%
79%+37 pts vs. state
Grades 3–8 combined2,070 tested results
Exceeding 32%Meeting 46%Partially meeting 17%Not meeting 6%
78%+37 pts vs. state

Subject results are weighted by tested-student counts. Source percentages are rounded and may not total exactly 100%. MCAS is one measure and should be considered with growth, programs, services, accessibility, and school climate.

About this school data

School location and grades come from the Massachusetts public-school catalog. Assessment results come from the Massachusetts Department of Elementary and Secondary Education’s 2026 MCAS Achievement Results dataset.

Search all Massachusetts MCAS scores →