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Welcome to William Diamond Middle School’s website. One of two middle schools in Lexington, Diamond offers a rich and interesting program of study in traditional academic subjects, physical education, the arts, and technology. We serve about 780 students, in grades 6, 7 and 8. We are proud to participate in the METCO Program, welcoming students from Boston as well as Lexington into our Diamond community.

This website is designed to give you access to a range of information about Diamond, and about your child’s current and future experiences here. Among other things, you will find information about departments and courses, and links to teacher web pages, as well as information about clubs and activities. We hope that you find it informative and easy to use. Welcome to Diamond! 

Afterschool Clubs/Activities Schedule

Afterschool Clubs/Activities Schedule
Spring clubs will start after February vacation; online registration will take place February 9-12.
The following groups are still meeting:
  • METCO homework club - Library
  • Anime - Room 206 [Mr. Dube]
  • Best Buddies - Room 182 [Ms. Jackson]
  • Improv Troupe (Varsity) - Auditorium/Room 156 [Bromley] - beginning March 24
  • METCO homework club - Library
  • Science Olympiad - Room 233 [Ms. Burgin]


  • Magic the Gathering - Room 127 [Ms. Starks]
  • METCO homework club - Library
  • Science Olympiad - Room 233 [Ms. Burgin]


  • Diamond Dispatch (school newspaper) - Room 129 [Ms. Leclerc]
  • Improv Troupe (JV) - Room 164 [Moser] - starting January 22
  • METCO homework club - Library
  • Science Olympiad - Room 233 [Ms. Burgin]
  • Yearbook - Room 206 [Mr. Dube]


  • Improv Troupe (Varsity) - Room 164 - [Bromley] - January 23 until Feb. 13
  • Student Council - Room 129 [Ms. Leclerc & Mr. Sideman]
    Note: Student Council meets every other week at 7:20 AM



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  • LHS Presentation to Incoming 9th Grade Parents
    On January 15th Associate Principal John Murray presented parents of incoming 9th grade students with an overview of the course selection process. Here's a copy of the presentation materials.

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  • Baby Pictures Wanted
    Parents: send in a baby picture of your 8th grader for publication in the yearbook. Send JPEG files only via email to Ed Dube. Deadline to submit pictures is Saturday, January 31st.
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  • Report Bullying
    If you or someone you know at Diamond is being bullied, report it online by using the form under Quick Links (left side of this page).
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  • Sentricon Info
    Click here to read more about the Sentricon Termite System installed at Diamond. While no termite activity has been noted, and no chemicals are currently being used, Massachusetts law requires us to notify parents about the treatment program in the event that the need arises. 
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