At a glance
Reported students
936
NCES CCD 2024–25
Teachers (FTE)
99.2
NCES CCD 2024–25
Student–teacher ratio
9.4:1
Calculated; not a class-size measure
Grades served
06–08
NCES preliminary directory 2025–26
School benchmarks
Massachusetts middle enrollment
93rd percentile
Compared with 295 same-level schools reporting enrollment.
District median enrollment
459.5
Wm Diamond Middle: 936 reported students.
State peer staffing position
12th percentile
9.4:1 reported; state peer median 11.5:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 918
- Teachers (FTE)
- 96.6
- Student–teacher ratio
- 9.5:1
What the reported data says about Wm Diamond Middle
Wm Diamond Middle is a public middle school serving grades 06–08 in Lexington. It is one of 10 current school records connected to Lexington. NCES reports 936 students for 2024–25.
Among 295 middle schools in Massachusetts with comparable records, this school is larger than the reported median of 540 students. Its enrollment is at approximately the 93rd percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 9.4:1, below the Massachusetts median of 11.5:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are Asian (44.6%) and White (35.1%). English learners represent 4.5% of enrollment. Students served under IDEA represent 14.2%. These figures help families understand who the school serves; they are not rating inputs.
Questions worth asking Wm Diamond Middle
- 1How do the reported 9.4:1 student–teacher ratio and 99.2 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3What counseling support is available today? The school reported 2 counselor FTE in 2021–22.
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Enrollment needs
- English learners
- 4.5%
- Students with disabilities
- 14.2%
- Lunch program
- Yes participating without using any Provision or the CEO
Reported support staff
- Counselors (FTE)
- 2
- Nurses (FTE)
- 1.8
- Psychologists (FTE)
- 1.7
- Social workers (FTE)
- 4.3
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White35.1%
- Hispanic7.6%
- Black4.1%
- Asian44.6%
- American Indian / Alaska Native0%
- Native Hawaiian / Pacific Islander0%
- Multiracial8.7%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
Gifted and talented
Not reported as offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in Lexington
Start with campuses at the same school level or with similar reported enrollment.
Jonas Clarke Middle
Middle · Grades 06–08
796 reported students
Maria Hastings
Elementary · Grades KG–05
579 reported students
Joseph Estabrook
Elementary · Grades KG–05
490 reported students
Bowman
Elementary · Grades KG–05
429 reported students
Harrington
Elementary · Grades KG–05
374 reported students
Bridge
Elementary · Grades KG–05
345 reported students
Public schools near Wm Diamond Middle
Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.
| School | Grades | Students | Distance |
|---|---|---|---|
| Jonas Clarke Middle Middle · Lexington | 06–08 | 796 | 2.3 mi |
| Daniel L Joyce Middle School Middle · Woburn | 06–08 | 455 | 2.9 mi |
| John Glenn Middle Middle · Bedford | 06–08 | 604 | 3.4 mi |
| Marshall Simonds Middle Middle · Burlington | 06–08 | 848 | 3.6 mi |
| Ottoson Middle Middle · Arlington | 07–08 | 963 | 4 mi |
| John F Kennedy Middle Middle · Waltham | 06–08 | 635 | 4.6 mi |
Frequently asked questions about Wm Diamond Middle
What grades does Wm Diamond Middle serve?
Wm Diamond Middle reports grades 06–08 in the NCES 2025–26 preliminary directory. It is classified as a middle school in Lexington.
How many students attend Wm Diamond Middle?
Wm Diamond Middle reported 936 students in the NCES 2024–25 membership file. That places it near the 93rd percentile among 295 Massachusetts middle schools reporting enrollment. The 2021–22 civil-rights collection recorded 918 students.
What is the student–teacher ratio at Wm Diamond Middle?
The calculated ratio is 9.4:1, based on 936 students and 99.2 full-time-equivalent classroom teachers in 2024–25. The Massachusetts median for the same school level is 11.5:1. A ratio is not the same as average class size.
Is Wm Diamond Middle a public, charter, or magnet school?
Wm Diamond Middle is a public school and is not a charter school. Enrollment is generally based on Lexington attendance boundaries and transfer rules.
Which school district is Wm Diamond Middle in?
Wm Diamond Middle is part of Lexington, based in Lexington, MA, which operates 10 current schools. Confirm attendance zones and enrollment rules with the district.
What public schools are near Wm Diamond Middle?
The closest public schools by straight-line distance include Jonas Clarke Middle (2.3 mi), Daniel L Joyce Middle School (2.9 mi), John Glenn Middle (3.4 mi). Distance does not determine eligibility; attendance boundaries and program rules do.