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Clopper Mill Elementary

Q: Is Clopper Mill Elementary a good school?

Clopper Mill Elementary ranks 479 th of 865 Maryland elementary schools. SchoolDigger rates this school 2 stars out of 5.

Public Grades PK, KG-5

479^th

SchoolDigger Rank ?

of 865 Maryland Elementary Schools

Better than 45% of Maryland elementary schools

Summary

Clopper Mill Elementary in Germantown, MD, is a public school serving 458 students from Pre-K through 5th grade as part of Montgomery County Public Schools, a highly-regarded district ranking in the top 32% of Maryland. The school serves a predominantly low-income population, with over 60% of students qualifying for free and reduced lunch, and it spends significantly more per student ($24,605) than many nearby schools. Despite this investment, its academic performance has historically been below the district average, with a current state ranking in the 45th percentile (2 stars).

A key concern is a dramatic drop in math proficiency between 3rd and 4th grade. In the 2025-2026 school year, 3rd graders achieved 49% proficiency, nearly matching the district average, but this plummeted to 19% in 4th grade and 18.9% in 5th grade. This contrasts sharply with high-performing neighbors like Diamond Elementary (95th percentile) and Spark M. Matsunaga Elementary (91st percentile), which maintain high proficiency across all grades. Chronic absenteeism is another major challenge, with a rate of 21.8% in 2022-2023, though this has improved from a staggering 32.1% the previous year. This is much higher than Diamond Elementary (12.8%) and Spark M. Matsunaga (17.9%).

Interestingly, Clopper Mill shows a relative strength in serving its low-socioeconomic status (SES) students, who ranked in the 58th percentile statewide in 2020-2021, the school's highest-performing subgroup. The school is part of a cluster of struggling schools in Germantown, including Lake Seneca Elementary (30th percentile) and Brown Station Elementary (30th percentile), all with high free/reduced lunch rates and low academic rankings. This highlights a significant performance divide within the same district, where higher spending per student has not yet closed the achievement gap with more affluent neighbors.

458

Students ?

11.8

Student/teacher ratio ?

$24,605

Per pupil spending ?

60.9%

Free/discounted lunch ?

18501 Cinnamon Dr
Germantown, MD 20874-2060

(240) 740-2180

District: Montgomery County Public Schools

Students who attend Clopper Mill Elementary usually attend:

Middle:	Roberto W. Clemente Middle
High:	Northwest High

Racial breakdown:

Hispanic:

50.9%

African American:

30.6%

Asian:

8.1%

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Compare Clopper Mill Elementary to nearby elementary schools!

At a glance

▲ Ranking trend: Improving — 20th percentile in 2016 → 45th in 2026

Strengths

✓Ranking is trending up — up 25 percentile points since 2016

✓Small classes — about 12 students per teacher

Worth a look

!Test scores below the Maryland average (33% vs 39% meeting standards)

!Some student groups rank well below the school's overall statewide standing

!Science scores 11 pts below the Maryland average

Students meeting standards (2025-2026) ?

This school33%

District avg48%

Maryland avg39%

479^th of 865

Maryland public elementary schools ?

Bottom 45%▲ up 25 pts since 2016

From bottom 20% (2016) to bottom 45% (2026)

See the entire ranking list of Maryland Elementary Schools →

★★★★★

SchoolDigger rating ?

97^th of 132Elementary Schools in the Montgomery County Public Schools

8^th of 24Montgomery County Public Schools among Maryland districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Maryland percentile	Rating
2026	39.6	479 of 865	44.6%	★★☆☆☆
2025	23.2	638 of 865	26.2%	★☆☆☆☆
2024	32.8	510 of 859	40.6%	★★☆☆☆
2023	26.4	577 of 855	32.5%	★★☆☆☆
2022	51.1	390 of 862	54.8%	★★★☆☆
2021	27.6	516 of 802	35.7%	★★☆☆☆
2019	20.6	658 of 853	22.9%	★☆☆☆☆
2018	31.0	557 of 857	35.0%	★★☆☆☆
2017	29.0	572 of 847	32.5%	★★☆☆☆
2016	19.4	676 of 845	20.0%	★☆☆☆☆
2015	24.8	627 of 859	27.0%	★☆☆☆☆
2014	25.2	705 of 867	18.7%	★☆☆☆☆
2013	17.1	751 of 847	11.3%	★☆☆☆☆
2012	20.7	737 of 857	14.0%	★☆☆☆☆
2011	21.1	722 of 853	15.4%	★☆☆☆☆
2010	29.3	680 of 855	20.5%	★☆☆☆☆
2009	33.9	634 of 850	25.4%	★☆☆☆☆
2008	29.5	672 of 838	19.8%	★☆☆☆☆
2007	74.6	190 of 818	76.8%	★★★★☆
2006	64.5	312 of 804	61.2%	★★★☆☆
2005	68.1	273 of 805	66.1%	★★★☆☆
2004	64.8	327 of 803	59.3%	★★★☆☆

African American

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	40.1	280 of 504	44.4%	★★☆☆☆

English Language Learner

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	38.0	68 of 115	40.9%	★★☆☆☆

Female

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	25.3	557 of 796	30.0%	★★☆☆☆

Hispanic

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	26.9	278 of 347	19.9%	★☆☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	47.5	227 of 546	58.4%	★★★☆☆

Male

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	35.4	414 of 788	47.5%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	Maryland percentile	Rating
2021	29.6	111 of 136	18.4%	★☆☆☆☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Low Socio Economic Status (2021)58th percentile+23 vs school

Male (2021)47th percentile+12 vs school

African American (2021)44th percentile+9 vs school

English Language Learner (2021)41st percentile+5 vs school

Female (2021)30th percentile-6 vs school

Hispanic (2021)20th percentile-16 vs school

Special Education (2021)18th percentile-17 vs school

By subject vs Maryland (2025-2026) ?

English Language Arts42%-9 vs state

Mathematics27%~ state avg

Science22%-11 vs state

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Schools Near Clopper Mill Elementary

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2026)				Ranking (2025)				MCAP Mathematics (2026)				MCAP English Language Arts (2026)				MCAP Science (2026)	Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients (2025)	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	MCAP Mathematics 3rd Grade	MCAP Mathematics 4th Grade	MCAP Mathematics 5th Grade	MCAP Mathematics All Grades	MCAP English Language Arts 3rd Grade	MCAP English Language Arts 4th Grade	MCAP English Language Arts 5th Grade	MCAP English Language Arts All Grades	MCAP Science 5th Grade	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Clopper Mill Elementary	Public	PK, KG-5	18501 Cinnamon Dr	Germantown	20874	Montgomery County	Montgomery County Public Schools	No	No	No	Yes	(240) 740-2180	458	39	11.8	60.9%	32 (7.0%)	140 (30.6%)	233 (50.9%)	37 (8.1%)	2 (0.4%)	0 (0.0%)	14 (3.1%)	39.6	479^th of 865 public elementary schools	44.6%		23.2	638^th of 865 public elementary schools	26.2%	159	49.0	19.0	18.9	27.3	56.9	37.5	36.5	42.5	21.9	$24,605	$2,912	$21,693
Great Seneca Creek Elementary	Public	K-5	13010 Dairymaid Dr	Germantown	20874	Montgomery County	Montgomery County Public Schools	No	No	No	No	(240) 740-4380	487	38	12.7	54.2%	82 (16.8%)	147 (30.2%)	161 (33.1%)	54 (11.1%)	3 (0.6%)	1 (0.2%)	39 (8.0%)	46.5	441^st of 865 public elementary schools	49.0%		47.8	422^nd of 865 public elementary schools	51.2%	19	48.8	29.1	27.2	34.9	47.6	44.2	40.7	44.2	22.9	$22,110	$1,326	$20,784
S. Christa McAuliffe Elementary	Public	PK, KG-5	12500 Wisteria Dr	Germantown	20874	Montgomery County	Montgomery County Public Schools	No	No	No	No	(240) 740-4920	467	41	11.3	55.0%	38 (8.1%)	171 (36.6%)	193 (41.3%)	37 (7.9%)	0 (0.0%)	0 (0.0%)	28 (6.0%)	39.9	477^th of 865 public elementary schools	44.9%		33.1	529^th of 865 public elementary schools	38.8%	52	26.7	21.5	29.6	26.2	43.8	43.1	40.7	42.5	27.5	$21,888	$960	$20,928
Germantown Elementary	Public	PK, KG-5	19110 Liberty Mill Rd	Germantown	20874	Montgomery County	Montgomery County Public Schools	No	No	No	No	(240) 740-6490	314	32	9.7	52.2%	41 (13.1%)	112 (35.7%)	83 (26.4%)	62 (19.7%)	2 (0.6%)	0 (0.0%)	14 (4.5%)	62.4	300^th of 865 public elementary schools	65.3%		49.7	408^th of 865 public elementary schools	52.8%	108	63.2	41.2	20.0	41.9	73.0	56.9	38.2	56.6	28.6	$27,789	$1,381	$26,409
Fox Chapel Elementary	Public, Magnet	PK, KG-5	19315 Archdale Rd	Germantown	20876	Montgomery County	Montgomery County Public Schools	No	Yes	No	No	(240) 740-0680	617	46	13.5	61.1%	69 (11.2%)	150 (24.3%)	288 (46.7%)	85 (13.8%)	3 (0.5%)	0 (0.0%)	22 (3.6%)	76.3	215^th of 865 public elementary schools	75.1%		68	272^nd of 865 public elementary schools	68.6%	57	45.1	50.7	50.4	49.4	48.6	58.3	63.7	58.1	52.6	$19,834	$966	$18,868
Dr. Ronald E. McNair Elementary	Public	PK, KG-5	13881 Hopkins Rd	Germantown	20874	Montgomery County	Montgomery County Public Schools	No	No	No	No	(240) 740-6830	673	42	15.9	33.6%	122 (18.1%)	172 (25.6%)	134 (19.9%)	190 (28.2%)	0 (0.0%)	2 (0.3%)	53 (7.9%)	79.4	185^th of 865 public elementary schools	78.6%		76.3	213^th of 865 public elementary schools	75.4%	28	66.4	51.8	52.1	56.5	68.2	52.2	56.2	58.7	47.2	$17,471	$845	$16,625
Spark M. Matsunaga Elementary	Public	K-5	13902 Bromfield Rd	Germantown	20874	Montgomery County	Montgomery County Public Schools	No	No	No	No	(240) 740-7820	530	39	13.4	28.7%	86 (16.2%)	117 (22.1%)	82 (15.5%)	197 (37.2%)	1 (0.2%)	0 (0.0%)	47 (8.9%)	91.6	74^th of 865 public elementary schools	91.4%		90.7	84^th of 865 public elementary schools	90.3%	10	72.1	57.1	64.2	64.3	78.3	75.3	65.4	73.1	61.0	$22,112	$961	$21,151
Lake Seneca Elementary	Public	PK, KG-5	13600 Wanegarden Dr	Germantown	20874	Montgomery County	Montgomery County Public Schools	No	No	No	Yes	(240) 740-0280	437	42	10.3	61.3%	22 (5.0%)	175 (40.0%)	184 (42.1%)	26 (5.9%)	0 (0.0%)	0 (0.0%)	30 (6.9%)	27.6	602^nd of 865 public elementary schools	30.4%		19.3	694^th of 865 public elementary schools	19.8%	92	27.6	23.2	20.0	23.8	36.8	29.4	31.8	32.5	19.1	$24,307	$2,480	$21,826
Diamond Elementary	Public	PK, KG-5	4 Marquis Dr	Gaithersburg	20878	Montgomery County	Montgomery County Public Schools	No	No	No	No	(240) 740-2120	654	44	14.9	12.4%	164 (25.1%)	60 (9.2%)	91 (13.9%)	292 (44.6%)	8 (1.2%)	3 (0.5%)	36 (5.5%)	94.4	39^th of 865 public elementary schools	95.5%		93.5	51^st of 865 public elementary schools	94.1%	12	69.4	68.8	73.9	70.9	76.2	73.7	78.6	76.4	63.9	$19,076	$1,016	$18,060
Waters Landing Elementary	Public	PK, KG-5	13100 Waters Landing Dr	Germantown	20874	Montgomery County	Montgomery County Public Schools	No	No	No	No	(240) 740-1020	735	59	12.4	56.3%	88 (12.0%)	267 (36.3%)	292 (39.7%)	57 (7.8%)	0 (0.0%)	1 (0.1%)	30 (4.1%)	29.7	580^th of 865 public elementary schools	32.9%		33	531^st of 865 public elementary schools	38.6%	49	31.9	25.0	17.1	24.7	40.7	30.8	30.2	34.0	20.0	$21,147	$1,087	$20,059

Frequently Asked Questions about Clopper Mill Elementary

What is the racial makeup of Clopper Mill Elementary?

Students at Clopper Mill Elementary are 51% Hispanic, 31% African American, 8% Asian, 7% White, 3% Two or more races.

How many students attend Clopper Mill Elementary?

In the 2024-25 school year, 458 students attended Clopper Mill Elementary.

Is Clopper Mill Elementary a good school?

Clopper Mill Elementary ranks 479^th of 865 Maryland elementary schools. SchoolDigger rates this school 2 stars out of 5.

What district is Clopper Mill Elementary in?

Montgomery County Public Schools

What schools do graduates of Clopper Mill Elementary attend?

Students who attend Clopper Mill Elementary usually go on to attend:

Middle : Roberto W. Clemente Middle
High : Northwest High

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Latest Maryland data All new data »

2025–26 MCAP test scoresJul 28, 2026

2024–25 school spending dataJun 13, 2026

2024–25 attendance data, dropout rates & graduation ratesJun 13, 2026

2024–25 MCAP test scoresAug 26, 2025

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Maryland State Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.