Wm Diamond Middle
🇺🇸 Official data · 2025Lexington, Massachusetts 02420 · Lexington
#1 of 300 middle schools in Massachusetts
#10 of 15,369 nationally
About Wm Diamond Middle
Wm Diamond Middle is a public middle located in Lexington, in the Lexington school district of Massachusetts, United States. It caters for Grades 6–8. In 2025 it enrolled 936 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 97.4 out of 100, placing it in the top 5% of middle schools in United States and 1st of 300 ranked middle schools in Massachusetts. Its strongest component is math proficiency (98th percentile), and its weakest is students per teacher (95th percentile).
Other published figures: enrollment 936.
There are 10 schools in Lexington; Wm Diamond Middle ranks 1st of 9 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)88%
- Reading proficiency (30%)85%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)9.5
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Wm Diamond Middle by the official sources.
- Enrollment
- 936
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 9.5
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 85%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 88%
- Share of tested students proficient or above (all students, all grades).
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Schools near Wm Diamond Middle
Closest schools by straight-line distance, with their Success Index (US).
Fiske
Lexington · Public elementary · Grades K–5
324 students · 878 m away
Joseph Estabrook
Lexington · Public elementary · Grades K–5
490 students · 1.8 km away
Lexington High
Lexington · Public high · Grades 9–12
2,405 students · 2.3 km away
Maria Hastings
Lexington · Public elementary · Grades K–5
579 students · 2.9 km away
Lexington Children's Place
Lexington · Public other · Grades PK–PK
70 students · 3.0 km away
Bridge
Lexington · Public elementary · Grades K–5
345 students · 3.1 km away
Harrington
Lexington · Public elementary · Grades K–5
374 students · 3.2 km away
Jonas Clarke Middle
Lexington · Public middle · Grades 6–8
796 students · 3.7 km away
Clyde Reeves
Woburn · Public elementary · Grades PK–5
451 students · 4.2 km away
Francis Wyman Elementary
Burlington · Public elementary · Grades K–5
514 students · 4.2 km away
Similar schools
Public middle schools in Massachusetts with a comparable Enrollment.
Sullivan Middle
Worcester · Public middle · Grades 6–8
940 students
Keith Middle School
New Bedford · Public middle · Grades 6–8
949 students
Sherwood Middle School
Shrewsbury · Public middle · Grades 5–6
951 students
Plymouth Commun Intermediate
Plymouth · Public middle · Grades 6–8
920 students
Wellesley Middle
Wellesley · Public middle · Grades 6–8
919 students
Justus C. Richardson Middle School
Dracut · Public middle · Grades 6–8
916 students
Frequently asked questions
Is Wm Diamond Middle a good school?
Wm Diamond Middle has a Success Index (US) of 97.4 out of 100 (Top 5% of middle schools in United States) and ranks #1 of 300 in Massachusetts. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Wm Diamond Middle rank in Massachusetts?
Wm Diamond Middle ranks #1 of 300 middle schools in Massachusetts and #10 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Wm Diamond Middle?
Wm Diamond Middle had 936 students in 2025.
Is Wm Diamond Middle a elementary school or a high school?
Wm Diamond Middle is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Wm Diamond Middle?
There are 10 schools within 15 km of Wm Diamond Middle; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.