Wm Diamond Middle School

Lexington, MA 02420

Phone: (781) 861-2460
Fax: (781) 274-0174
District: Lexington School District

9

GreatSchools Rating

public • Grades 6,7,8 • 907 students

Wm Diamond Middle School, a public school located in Lexington, MA, serves grades 6-8 in the Lexington School District.It has received a GreatSchools Rating of 9 out of 10, based on a variety of school quality measures.

Wm Diamond Middle School is a public school located in Lexington, MA. 907 students attend Wm Diamond Middle School.

School Ratings

Category Rating Details
Test Scores 10/10 The Test Score Rating examines how students at this school performed on standardized tests compared with other schools in the state. The Test Rating was created using 2025 Massachusetts Comprehensive Assessment System (MCAS) data from Massachusetts Department of Education, and using 2025 MCAS Science and Technology/Engineering (MCAS STE) Tests data from Massachusetts Department of Education.
Student Growth 8/10 The Student Progress Rating measures whether students at this school are making academic progress over time based on student growth data provided by the Department of Education. Specifically, this rating looks at how much progress individual students have made on state assessments during the past year or more, how this performance aligns with expected progress based on a student growth model established by the state Department of Education, and how this school's growth data compares to other schools in the state. The Growth Rating was created using 2025 Student Growth - MA MCAS data from Massachusetts Department of Education.

Posted: July 6, 2026

Posted: July 6, 2026

Posted: July 6, 2026

Posted: July 6, 2026

Posted: July 6, 2026

Posted: July 6, 2026

Posted: July 6, 2026

Posted: July 6, 2026

math teacher discouraged and shattered confidence of my child when attending this school. well today he got 5 on AP calc. i can never forget the trauma this school caused. things got better after we changed this school. they should train teachers on SEL and how to talk to teens.

Posted: January 7, 2023

Posted: January 7, 2023

My daughter really likes the school and all teachers. We were excited to see that her recent MCAS test results came with "exceeding expectations" score in ELA, math and science.

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

SO MUCH BULLYING! THE PRINCIPAL IS DOING NOTHING, EVEN WITH CLEAR EVIDENCE! MY CHILD SHOULD FEEL SAFE AND BE ABLE TO LEARN SAFELY IN THIS SCHOOL. TERRIBLE!!

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

Posted: September 24, 2022

My child got bullied by the teachers. The teachers kept calling my child a worthless human and never offered help. The school itself never did anything either.

Posted: January 14, 2022

Many teachers and school officials there are terrible at their jobs. Disgusting.

Posted: January 14, 2022

Posted: January 14, 2022

Posted: January 14, 2022

Posted: January 14, 2022

Posted: January 14, 2022

Posted: January 14, 2022

Posted: January 14, 2022

Posted: November 16, 2017

Posted: November 16, 2017

Posted: November 16, 2017

Posted: November 16, 2017

Posted: November 16, 2017

Posted: November 16, 2017

Posted: November 16, 2017

A disgrace. I am not upset by my child’s education or social standing at this school, my child is doing great. Many parents and I see how difficult it has become to just simply pick up or drop off our children. The clueless people that they have chosen to directed traffic, simply put are useless. It takes me 40 min to pickup my child. And it has nothing to do with safety, no it’s all about the lack of a proper entrance and exit from this school.
Now let’s talk about the poor kids that are trapped in this 8:00am-3:00 pm prison. If they even remotely says anything that it’s deemed inappropriate, an “investigation” will be conducted by the vice principal, you will get phone calls and emails many times over and over that you need to come in and how concern they are ??? They act as though they have never heard a bad word in their life:)
Simply put a “JOKE”.

Posted: October 16, 2017

Posted: October 16, 2017

Posted: October 16, 2017

We have had two children go to school here. Both had "OK" experiences. To be fair, middle school is a notoriously difficult time developmentally. That being said, Diamond seems too big, too unwieldy to give many of its' students the attention they deserve. With a few exceptions, teachers do not seem especially passionate about their craft. Sports teams can be large and overrun (if your child manages to make the cut). The band was so large that students were almost spilling off the stage. Lexington is a highly educated community, and people move here for the public schools. Diamond can, and should, do better.

Posted: August 31, 2016

We have one kid we moved over from private school who has thrived and another just getting moved over.

Not every teacher is great, some are meh, but overall the school benefits from 3 things; 1.) strong leadership, 2.) strong cohort of motivated kids with involved parents, and 3.) plenty of resources.

For middle school it is about as good as it gets.

Posted: September 11, 2015

Posted: September 11, 2015

Posted: September 11, 2015

Posted: August 4, 2014

Something is wrong at Diamond. The teachers are distant and administration more political than serving. I have seen staff engage in hysteria, when there was no need, to the detriment of the students.

Posted: April 5, 2013

Diamond is an awesome place. :) Because I was a student there. No matter how scary I thought my teachers to be at first, I always enjoyed it every year. The clubs there are fun too, with a diverse choice! And I'm glad I went, because I made great friends, and I wouldn't have met them without Diamond to push us together. I disagree, the teachers there are very nice. I went in for lunch a bunch of times to get explained how things work, and they took time to explain to each person. And it's been great, those three years. (Oh yes, and it depends which teachers you have for how much homework you get. But looking back, that wasn't a lot of homework at all.) Tests? I didn't see THAT many tests. After all, students know best. Overall, this was a great school.

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