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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

Afterschool Clubs/Activities Schedule
Students who missed registration may still join a club if space is available. Students should speak with the club advisor.
 • METCO Homework Club - Rooms 191-196
• Anime - Room 204 [D. Gallagher]
• Best Buddies - Room 182 [Jackson]
• Chess Club - Room 208 [Seymourian]
• 7th/8th Grade Debate - Library [Boege]
• Math Club - Room 195 [Przygoda & Starks]
• METCO Homework Club - Rooms 191-196
• Clay Club - Room 152 [Billipp & Aman]
• 6th Grade Debate - Room 204 [D. Gallagher] - starts October 7th
• GSA - Room  238 [Levy & Vosland]
• Magic the Gathering - Room 149 [Baecker]
• Math Club - Room 195 [Przygoda & Starks]
• METCO Homework Club - Rooms 191-196
• Minecraft Club - Lab 137 [Flori]
• Sculpting Club - Room 226 [Khoury]
Math Club - Room 195 [Przygoda & Starks]
• METCO Homework Club - Rooms 191-196
• Yearbook Club - Room 152 [Aman]
Student Council - Room 129 [Leclerc & Sideman] Student Council meets every other Friday at 7:20 AM - next meeting: October 2nd



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  • Report absences via email!
    New this year: you can report absences via email!  Use the Diamond Absence email address.  Include name, date, and absence reason in the subject line.

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  • Update your emergency contacts online
    Use your Aspen Family Portal to update your child's contact information. Click here for instructions.

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  • Report Bullying
    If you or someone you know at Diamond is being bullied or unsafe, 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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