Welcome to Diamond!

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 850 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! 

Clubs & Activities

Afterschool Clubs & Activities Schedule
   Spring clubs information:
• Online registration: Feb. 13-17
• Clubs start the week after February vacation

• EXTENDED DAY PROG. - Rooms 137, 143, 149
• EXTENDED DAY PROG. - Rooms 137, 143, 149
EINSTEIN'S WORKSHOPS - Rooms 225 & 232
• EXTENDED DAY PROG.- Rooms 137, 143, 149 
YEARBOOK - Room 152 (Aman)
 • STUDENT COUNCIL - Room 129 (7:20 AM)

Transition to LHS

Information for 8th Grade Students and their Parents/Guardians
Important dates to remember:

February 1, 2017
February 6 - March 1, 2017
  • Grade 8 math, science, foreign language, and ELL teachers confer with students about recommendations for next year. These teachers plus Grade 8 SpEd teachers enter course placements in Aspen.
February 8, 2017
  • Incoming 9th Grade Parent Information Night (5:30-6:30 )
  • Curriculum Night (6:30-8:00 pm)

March 2, 2017

  • Counselors will be going into one of your child's classes to review the requirements for high school and begin the course selection process.

March 10 - March 29, 2017

  • Grade 8 counselors screen and approve course requests, checking for completeness and balance, and credits in 28-32 range.

March 15, 2017

  • Deadline for students to submit placement review forms to academic department heads at LHS.

March 30, 2017

  • Course request verification sheets mailed home for students in grade 8.


 Seussical Jr flyer
William Diamond Middle School Presents
Thursday-Saturday, March 2-4, 7:30 pm & Sunday, March 5, 11 am
Diamond Auditorium
Directed by Kate Bromley
Music Direction & Choreography by Jessica Delgado
Technical Direction by John DiPerna
Tickets: $10 general admission can be purchased during the school day at the MAIN OFFICE or directly from Ms. Delgado


  • Report Absences, Tardies & Dismissals via Email
    Include student name & date in subject line and reason in body of email.

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  • SEUSSICAL JR Tickets
    Tickets for Diamond's musical, SEUSSICAL JR., can be purchased for $10 (general admission) during school hours at the main office. Performances at 7:30 pm in the auditorium March 2-4, and at 11 am on March 5th. Tickets can also be purchased directly from Ms. Delgado.

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  • Transition to LHS
    For the latest information about 8th grade transition to LHS, check the links in the center of our home page.

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  • Grade 8 MCAS
    Download this letter for information about upcoming MCAS testing.

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  • Central Registration Logo

    Central Registration opens on February 1 for incoming students Grades preK-5. Incoming students Grades 6-12 will register at their schools. For more information, visit our new Central Registration webpage.

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  • Lexington Listens
    Lexington would like to hear your feedback on homework, and middle and high school athletic programs. Please click on the link below to participate and have your voice heard.

    Lexington Listens

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  • Minuteman High School Seeking Feedback
    Minuteman HS has created a survey to gather input from Lexington families about a potential afterschool career exploratory program. The brief survey can be accessed here.

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  • Washington, DC Trip
    View a copy of the Nov. 2 presentation to parents. Registration packets from Capital Tours can be picked up at the front office.

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  • Spain Trip Information
    Details about Diamond's annual study abroad program can be found here.

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