Wm Diamond Middle
Public
Middle Grades 6–8
Part of Lexington
99 Hancock Street, Lexington, MA 02420 · (781) 861-2460
Community ratings
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Academic performance
Math proficiency75%
State average 36.7%
Reading / language arts76%
State average 49.3%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
936Students enrolled
9:1Student–teacher ratio
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 6322
Grade 7297
Grade 8317
Students
Asian · 45%417
White · 35%329
Two or more races · 9%81
Hispanic · 8%71
Black · 4%38
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
912’20
919’21
942’22
927’23
936’24
Location
99 Hancock Street Lexington
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.