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Average

#629 of 1,363 schools in MD

Top 46% in state

Diamond Elementary

Elementary School · Montgomery County Public Schools

4 Marquis Dr, Gaithersburg, MD 20878

Enrollment

653

Student-Teacher

14.8:1

Score

6.6

Grades

Kindergarten – 5th

Updated 2022-23

How this school compares

In Gaithersburg

#17 of 29

public schools

Maryland elementary schools

#552 of 882

In district

#104 of 206

Montgomery County Public Schools

Equity

9.2 / 10

Exceptional

About Diamond Elementary

Diamond Elementary serves 653 students in kindergarten through fifth grade in Gaithersburg, Maryland, establishing itself as one of Montgomery County's standout elementary schools. With 44 full-time equivalent teachers, the school maintains a favorable 14.8-to-1 student-teacher ratio that supports personalized attention and instruction. The school demonstrates exceptional academic performance, earning an impressive 8.0 out of 10 MySchoolScout rating and ranking 49th out of 1,364 Maryland elementary schools, placing it in the 96th percentile statewide.

Students show particularly strong literacy skills, with 80% achieving proficiency or above in English Language Arts and Reading across grade levels. Math performance shows 63% of students meeting or exceeding proficiency standards, indicating solid foundational skills in numeracy. Diamond Elementary benefits from its location in an affluent and highly educated community within the 20878 ZIP code area.

The neighborhood boasts a median household income of $141,902 and a median home value of $654,500, with 71% of residents holding bachelor's degrees or higher. The low poverty rate of just 4.4% reflects the community's economic stability. Located at 4 Marquis Drive, Diamond Elementary sits in Gaithersburg's small city environment, providing students with access to both suburban amenities and the educational resources of the greater Washington, D.C. metropolitan area.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress5.2Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change-0.22 pts/yr
Data Period2019–2025
TrendStable
Academics8.8Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency70.2%
Reading/ELA Proficiency71.2%
Math vs. State Avg+40 pts
Reading vs. State Avg+20.1 pts
Overall Proficiency71%
Expected (poverty-adj.)66%
vs. Expected+4.3 pts
Adjusted Percentile81th
College ReadinessNot Available

Data not available for this school

Resources & Environment6.6Above Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio14.8:1
Per-Pupil Spending$18,101

Diamond Elementary — Students at Diamond Elementary score 71% proficient, which is above what's typical for similar communities (expected: 66%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

12.7%

Students qualifying for federal meal assistance

Test Scores MD MCAP (2024-25)

Math Proficiency 63.3%
School
State
30.2%
ELA Proficiency 69.8%
School
State
51.1%

Based on 8 test records from MD state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
75%
ELA
76%
2021*
Math
45%
ELA
52%
2022
Math
63%
ELA
80%
2025
Math
70.2%
ELA
71.2%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 5.2/10.

How Diamond Elementary Compares

See how Diamond Elementary performs across key quality dimensions compared to state benchmarks.

Overall Score
6.6/10
54th percentile in MD
Academic
8.8/10
8.8/10
Growth
5.2/10
Above average
Environment
6.6/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
13%
Teaching Staff
15:1 student-teacher ratio
44 teachers

Location

4 Marquis Dr, Gaithersburg, MD 20878

Nearby Alternatives

Families considering Diamond Elementary may also want to explore other elementary schools in the area. DuFief Elementary (rated 8.8/10, 2.3 miles away), which scores notably higher. Another option is Fields Road Elementary (rated 8.7/10, 1.7 miles away), which scores notably higher. Additionally, Rachel Carson Elementary (rated 8.5/10, 1.4 miles away), which scores notably higher. For more schools in Gaithersburg, see our Gaithersburg schools guide .

Nearby Schools

20 within 2.4 mi
School Distance Rating
Brown Station Elementary Gaithersburg 0.5 mi 7.7
GODDARD SCHOOL IN GAITHERSBURG Gaithersburg 0.6 mi 4.0
Ridgeview Middle Gaithersburg 0.8 mi 6.1
NIST CHILD CARE CENTER Gaithersburg 1.0 mi
Rachel Carson Elementary Gaithersburg 1.4 mi 8.5
Lakelands Park Middle Gaithersburg 1.4 mi 6.7
Thurgood Marshall Elementary Gaithersburg 1.3 mi 6.1
Quince Orchard High Gaithersburg 1.6 mi 7.0
Fields Road Elementary Gaithersburg 1.7 mi 8.7
Roberto W. Clemente Middle Germantown 2.1 mi 5.1
FELLOWSHIP CHRISTIAN SCHOOL Germantown 2.2 mi 8.1
Clopper Mill Elementary Germantown 2.0 mi 6.3
DuFief Elementary Gaithersburg 2.3 mi 8.8
Great Seneca Creek Elementary Germantown 2.0 mi 5.9
Fox Chapel Elementary Germantown 2.5 mi 5.2
S. Christa McAuliffe Elementary Germantown 2.5 mi 6.9
FRANKLIN MONTESSORI SCHOOLS Rockville 2.7 mi
Jones Lane Elementary Gaithersburg 2.7 mi 7.0
Watkins Mill Elementary Montgomery Village 2.7 mi 4.7
Northwest High Germantown 2.4 mi 5.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 20878 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$142,062

Median Home Value

$675,200

Median Rent

$2,188/mo

Population

65,236

College Educated

70.1%

Homeownership

69.3%

Avg Commute

29.9 min

Poverty Rate

5%

Median Age

41.4

Community Profile

The community surrounding Diamond Elementary has a median household income of $142,062. It is a well-educated community where 70% of adults hold a bachelor's degree or higher. The median home value in the area is $675,200, with a median rent of $2,188/month. The local poverty rate of 5.0% is relatively low. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Chapel Hill Elementary Perry Hall, MD 6.6
Gladys Noon Spellman Elementary Cheverly, MD 6.6
Glen Haven Elementary Silver Spring, MD 6.6
Hawthorne Elementary Baltimore, MD 6.6
High Bridge Elementary Bowie, MD 6.6
Lyons Mill Elementary Owings Mills, MD 6.6

Frequently Asked Questions

Common questions about Diamond Elementary

What grades does Diamond Elementary serve?

Diamond Elementary serves students in grades Kindergarten through 5th.

How many students attend Diamond Elementary?

Diamond Elementary has an enrollment of approximately 653 students.

What is the student-teacher ratio at Diamond Elementary?

The student-teacher ratio at Diamond Elementary is 14.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Diamond Elementary rank in MD?

Diamond Elementary is ranked #629 out of 1,363 schools in MD.

What is Diamond Elementary's MySchoolScout rating?

Diamond Elementary has a composite rating of 6.6 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Diamond Elementary?

Based on the most recent state assessment data, Diamond Elementary has 63.3% math proficiency and 69.8% reading/ELA proficiency.

Is Diamond Elementary a charter school?

No, Diamond Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Diamond Elementary a Title I school?

No, Diamond Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Diamond Elementary?

12.7% of students at Diamond Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

City Safety
High (1,565/100K)

FBI UCR 2024. City-level (Gaithersburg). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 5th
Enrollment
653
Student-Teacher Ratio
14.8:1
Teachers (FTE)
44
Free/Reduced Lunch
12.7%
Type
regular
Setting
Small City
County
Montgomery County
Data Year
2023–2024

District

Montgomery County Public Schools
District Enrollment
160,223
Schools in District
211
Per-Pupil Spending
$19,456
District Rank
#104 of 206

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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