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SCHOOL COMMUNITY·MONTGOMERY COUNTY PUBLIC SCHOOLS·NCES 240048001494

Clopper Mill Elementary

18501 Cinnamon Dr, Germantown, MD 20874 · (240) 740-2180 · Montgomery County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL458 STUDENTS
Enrollment
458
Elementary
DISTRICT 514 · STATE 481
Student : Teacher
11.8:1
39 FTE teachers
DISTRICT 12.9:1 · STATE 13.8:1
Free / Reduced Lunch
61%
279 students
DISTRICT 40% · STATE 54%
Community
5
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K6314%
Kindergarten6614%
Grade 16514%
Grade 25512%
Grade 37015%
Grade 47917%
Grade 56013%
Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 75% · STATE 73% · US 70%
White
327%
DISTRICT 23% · STATE 31% · US 43%
Hispanic
23351%
DISTRICT 36% · STATE 24% · US 30%
Black
14031%
DISTRICT 22% · STATE 32% · US 15%
Asian
378%
DISTRICT 14% · STATE 7% · US 6%
Two+
143%
DISTRICT 5% · STATE 5% · US 5%
Native American
20%
DISTRICT 0% · STATE 0% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
23251%
Female
22649%

Discussions

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Test scores

MCAP 2024-25 . % Proficient (Levels 3-4)
English Language Arts
34.4%
MD avg 50.6% . -11.1pp since 2023
Math
25.3%
MD avg 34.8% . -7.3pp since 2023

What this means: On the MCAP, Maryland's statewide test, about 34 of every 100 students at this school read and write at grade level and about 25 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores are down about 11 points since 2023, while math scores are down about 7 points.

MCAP results by year

School yearEnglish Language ArtsMath
2024-2534.4%25.3%
2023-2445.5%32.6%
% Proficient (Levels 3-4), all students and all tested grades.
Source: MCAP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
34.5%
composite math + reading, all grades
Predicted
38.2%
based on MD schools with similar FRL share
Beats by
-3.7pp
below demographic expectation

What this means: About 34% of students here test proficient in math and reading, compared with the roughly 38% typical for Maryland schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Maryland's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Where Clopper Mill Elementary ranks

Among elementary schools
MeasureThis schoolIn MarylandIn Montgomery County
State test proficiency
ranked highest first
34.5%#555 of 853#107 of 131
Math proficiency
ranked highest first
25.3%#655 of 853#122 of 131
Reading proficiency
ranked highest first
34.4%#649 of 853#115 of 131
Enrollment
ranked largest first
458#482 of 898#96 of 139
Students per teacher
ranked fewest first
11.8:1#159 of 857#50 of 136
Diversity index
ranked most diverse first
63.5%#319 of 857#92 of 136
Free and reduced lunch
ranked highest share first
60.9%#388 of 885#25 of 137
Enrollment change since 2017-18
ranked steepest decline first
-15.3%#223 of 551#35 of 97
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
458
-20 (-4%) vs 2020
-24% since 1990-91, when it was 600
Student : Teacher
11.8:1
was 11.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2545838.711.8:161% (279)
2023-2446039.311.7:162% (286)
2022-2345940.211.4:171% (324)
2020-214784311.1:162% (298)
2017-1854141.613.0:164% (345)
2015-164883912.5:168% (334)
2010-114164010.4:166% (273)
2000-015633416.6:138% (216)
1990-916003020.0:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Clopper Mill Elementary.

About Clopper Mill Elementary

Among the schools in Germantown, Maryland, is Clopper Mill Elementary, a mid-sized elementary school. It is open to students in pre-K through 5 and enrolls 458 students.

Montgomery County Public Schools is responsible for 208 schools, Clopper Mill Elementary included, with 159,181 students in all.

More than half of enrollment at Clopper Mill Elementary is Hispanic: 51%. Other groups include 31% Black, 8% Asian, 7% White, and 3% multiracial. The county population is about 21% Hispanic. On the diversity index, which measures the chance that two random students are from different groups, Clopper Mill Elementary scores 64%.

Clopper Mill Elementary lists 38.7 full-time-equivalent teachers; that is about 11.8 students per teacher. Across elementary schools in Maryland, the average ratio is 13.8:1. Free or reduced-price lunch covers 61% of the student body. The 40% average for public schools in Montgomery County is 21 points lower.

After adjusting for student poverty, Clopper Mill Elementary lands between the top and bottom 10% of Maryland schools. Its average proficiency rate across its state test results is 34.5%; the prediction is 38.2%.

In Montgomery County, where the school is located, the median household earns about $132,450 a year, roughly 61% of adults have a four-year degree or more, and the share of residents below the poverty line is 5%. Public schools in Montgomery County number 211, with about 159,181 students.

Great Seneca Creek Elementary, about 0.6 miles away, is the closest public school. Within five miles of Clopper Mill Elementary, there are at least 8 other public schools. On average proficiency, Clopper Mill Elementary is 7th of 9 nearby schools with test data.

The school's setting, by NCES definition, is Suburb: Large: in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Enrollment was 458 in 2024-25. In 2020-21, it was 478.

Use the discussion section to ask about homework, tutoring, and testing dates at Clopper Mill Elementary. Current and former families are welcome to add their experience.

Montgomery County at a glance

View full county profile
Population
1,065,949
Census ACS
Median income
$132,450
Household, ACS
Bachelor's+
61%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
211
159,181 students

Quick facts

School name
Clopper Mill Elementary
District
Montgomery County Public Schools
Address
18501 Cinnamon Dr, Germantown, MD 20874
Phone
(240) 740-2180
County
Montgomery County
Level
Elementary
Grade range
PK–05
Total enrollment
458
Teachers (FTE)
39
Student–teacher ratio
11.8:1
Free and reduced lunch
279 (61%)
Locale
21-Suburb: Large
NCES ID
240048001494
Charter school
No
Virtual school
No

Related schools

Other schools in Montgomery County Public Schools
Other schools in Germantown
Nearby schools

Frequently asked questions

About Clopper Mill Elementary
What is the total enrollment at Clopper Mill Elementary?
Clopper Mill Elementary enrolls approximately 458 students in grades PK-05.
Is Clopper Mill Elementary an elementary, middle, or high school?
Clopper Mill Elementary is an elementary school covering grades PK-05.
What is the student-teacher ratio at Clopper Mill Elementary?
The student-to-teacher ratio at Clopper Mill Elementary is approximately 11.8:1 (39 FTE teachers).
What is the racial breakdown of students at Clopper Mill Elementary?
At Clopper Mill Elementary, the student body is approximately 7% White, 51% Hispanic, 31% Black, 8% Asian, 3% Two or more.
What district is Clopper Mill Elementary in?
Clopper Mill Elementary is part of Montgomery County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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