Enrollment
654
Maryland · 2024-25 NCES data
Elementary school (grades K-5) · Gaithersburg, MD
Diamond Elementary
Federal NCES profile for Diamond Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataElementary school (grades K-5)NCES 240048000818
👥 S:T ratio 46
🌟 Gifted program 70
🎓 Counselors 13
📋 Attendance 42
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Diamond Elementary earns 43/100 on the Resource Investment Index, with class sizes near the Maryland median.
- #4 of 5
- elementary schools in Gaithersburg · Resource Index
- 43
- Resource Index · Typical
- 13.6:1
- students per teacher
- 13.6%
- free-lunch eligible
Diamond Elementary has class sizes near the Maryland median. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Diamond Elementary ranks #4 of 5 elementary schools in Gaithersburg, MD.
School address
District: Montgomery County Public Schools · Maryland
NCES ID 240048000818 Verify on NCES CCD record →
Teachers (FTE)
48.0
Federal CCD staff survey
Students per teacher
13.6:1
vs 14.5:1 Maryland avg
-6% vs state
Free-lunch eligible
13.6%
vs 49.0% Maryland avg
-72% vs state
Student-teacher ratio in context
How Diamond Elementary compares with Maryland and U.S. medians
What stands out at Diamond Elementary
Diamond Elementary is a lower-poverty, mid-sized elementary school in Gaithersburg, Maryland, enrolling 654 students.
Class sizes run a bit leaner than typical: 13.6:1 puts it in the smaller third of Maryland schools by student-teacher ratio.
Comparatively few students face economic hardship here, 13.6% free-meal eligibility runs 72% below the Maryland average.
Enrollment of 654 puts it in the larger third of Maryland schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,382 scored Maryland schools.
Against 189 statewide peers matched on enrollment and economic need, it ranks mid-pack at #122.
Its student body is led by Asian (45%) and White (25%) (diversity index 71/100).
Counselor access is stretched at roughly 436 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 23.2% of students chronically absent per the 2021-22 civil-rights collection.
Among Gaithersburg's elementary schools, it stands alongside Jones Lane Elementary (428 students): Diamond Elementary is larger than that campus by headcount and runs leaner classes (13.6:1 vs 14.8:1).
Montgomery County Public Schools also operates Montgomery Blair High (3,266 students) and Walter Johnson High (3,016 students) alongside Diamond Elementary.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Diamond Elementary compares
Diamond Elementary on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.6:1 | ▼ 6% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 13.6% | ▼ 72% | 49.0% | 51.7% |
| Enrollment | 654 | top 34% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.6:1
Leaner classes than 61% of US schools, a middle-of-the-pack class size.
654
Bigger than 77% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
13.6%
free-lunch eligible
- 72% below the Maryland average of 49.0%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.6:1
students per teacher
- 6% below state mean
Top 37% in Maryland - lower ratio than 63% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
23.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,101
per pupil, district-wide
- below Maryland avg of $20,446
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.5 FTE
Per 436 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Asian 44.6%
White 25.1%
Hispanic or Latino 13.9%
African American 9.2%
Two or More 5.5%
American Indian / Alaska Native 1.2%
Native Hawaiian / Pacific Islander 0.5%
Largest group: Asian at 44.6% of enrollment.
Student-body diversity index 70.7/100
Simpson diversity index - at 70.7, Diamond Elementary is more mixed than the Maryland school average of 52.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Montgomery County Public Schools, which includes Diamond Elementary.
$18,101
Per student
-11%
vs Maryland
Avg $20,446
+9%
vs U.S.
Avg $16,593
Revenue mix
Local 66.0%
State 23.7%
Federal 10.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Diamond Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Montgomery Blair High | Larger | Higher economic need | Higher S:T ratio |
| Walter Johnson High | Larger | Similar economic need | Higher S:T ratio |
| Wheaton High | Larger | Higher economic need | Higher S:T ratio |
| Gaithersburg High | Larger | Higher economic need | Similar S:T ratio |
| Seneca Valley High | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Diamond Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,266
- Students per teacher
- 17:1
- Resource Index
- 52/100
- Enrollment
- 3,016
- Students per teacher
- 19.1:1
- Resource Index
- 51/100
- Enrollment
- 2,794
- Students per teacher
- 17.8:1
- Resource Index
- 43/100
- Enrollment
- 2,441
- Students per teacher
- 14.4:1
- Resource Index
- 56/100
- Enrollment
- 2,409
- Students per teacher
- 15.6:1
- Resource Index
- 41/100
Similar elementary schools in Gaithersburg
4 comparable elementary schools (grades K-5) serving the same city.
Jones Lane Elementary
Standard public school
428 students 14.8:1 students per teacher
Darnestown Elementary
Standard public school
356 students 12.7:1 students per teacher
Laytonsville Elementary
Standard public school
355 students 13.1:1 students per teacher
Dufief Elementary
Standard public school
276 students 9.9:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Maryland, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~654 students)
Next steps
Verify locally before acting on Diamond Elementary's federal record.
- Compare Diamond Elementary against another school. Compare schools
- Montgomery County Public Schools's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Diamond Elementary
How many students attend Diamond Elementary?
Diamond Elementary has 654 students enrolled. It is an elementary school in Gaithersburg, MD.
What is the student-teacher ratio at Diamond Elementary?
The student-teacher ratio at Diamond Elementary is 13.6:1, which is 6% lower than the Maryland average of 14.5:1 and 13% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Diamond Elementary?
13.6% of students at Diamond Elementary are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Diamond Elementary?
The largest demographic group at Diamond Elementary is Asian at 44.6% of enrollment, in Gaithersburg, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.7/100.
What is the Resource Investment Index for Diamond Elementary?
Diamond Elementary has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Diamond Elementary rank among elementary schools in Gaithersburg?
By Resource Investment Index, Diamond Elementary ranks #4 of 5 elementary schools in Gaithersburg, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Gaithersburg on the city page.
Is Diamond Elementary a good school?
Diamond Elementary earns 43/100 on the Resource Investment Index, with class sizes near the Maryland median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Montgomery County Public Schools?
Besides Diamond Elementary, Montgomery County Public Schools also operates Montgomery Blair High (3,266 students), Walter Johnson High (3,016 students), and Wheaton High (2,794 students). See the Montgomery County Public Schools district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.