Skip to main content

Excellent

#40 of 1,363 schools in MD

Top 3% in state

Bells Mill Elementary

Elementary School · Montgomery County Public Schools · Potomac, MD

A Montgomery County Public Schools elementary school where students score 16 points above what's typical for similar communities.

8225 Bells Mill Rd, Potomac, MD 20854

  • Math 71% vs MD 30% (2025)
  • Reading 83% vs MD 51% (2025)
  • 16.9:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress9.7Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-1.96 pts/yr
Data Period2009–2025
TrendDeclining
Academics9.8Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency71.4% (2025 MCAP)
Reading/ELA Proficiency83% (2025 MCAP)
Math vs. State Avg+41.2 pts
Reading vs. State Avg+31.9 pts
Overall Proficiency77% (2025 MCAP, Math+ELA)
Expected (poverty-adj.)61% (model expectation from 2025 MCAP)
vs. Expected+16.1 pts
Adjusted Percentile96th
Resources & Environment7.6Very Good20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio16.9:1
District spending per student$19,456
Chronic Absenteeism10.5%

Students at Bells Mill Elementary score 77% proficient, which is above what's typical for similar communities (expected: 61%).

How we calculate scores →

2025 MCAP proficiency

Most recent published year. School vs. MD average.

Math Proficiency71%(2025 MCAP)
School
State
30%(2025 MCAP)
ELA Proficiency83%(2025 MCAP)
School
State
51%(2025 MCAP)

Trend

↑ Recovering

Proficiency declined earlier in the 17-year record (2009–2025), then recovered 21 points since 2020, reaching 77% in 2025.

Show all 14 years
2009
Math
96%
ELA
97%
2010
Math
97%
ELA
98%
2011
Math
97%
ELA
100%
2012
Math
94%
ELA
97%
2013
Math
90%
ELA
100%
2014
Math
68%
ELA
77%
2015
Math
72%
ELA
73%
2016
Math
73%
ELA
75%
2018
Math
71%
ELA
76%
2019
Math
71%
ELA
76%
2020*
Math
57%
ELA
56%
2021*
Math
57%
ELA
56%
2022
Math
72%
ELA
83%
2025
Math
71%
ELA
83%

Multi-year averages used by the rating model: math 78% (multi-year average, 2009-2025) · reading/ELA 82% (multi-year average, 2009-2025)

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

Based on 28 test records from MD state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

17.4%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Bells Mill Elementary sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Washington DC map →

Getting around & local context

  • Walk 20Car-Dependent
  • Bike 30Somewhat Bikeable

Powered byWalk Score

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$250,001

Median home value

$1,105,300

Median rent

$3,180/mo

College educated

85.7%

Homeownership

89.9%

Poverty rate

2.5%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 20854; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
The Heights SchoolPrivate · tuition5.63–120.3 mi602Compare →
Mc Lean School of MarylandPrivate · tuition8.1K–120.5 mi477Compare →
Ivymount SchoolPrivate · tuition7.81–121.0 mi195Compare →
St Andrew's Episcopal SchoolPrivate · tuition7.1PK–121.0 mi673Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Montgomery County Public Schools

Schools in district
211
Rank in district
#11 of 206
District spending per student
$19,456NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
8.4%Census SAIPE · 2024

Bells Mill Elementary is listed in Montgomery County Public Schools; a district label does not verify attendance for an address.

About Bells Mill Elementary

Bells Mill Elementary is a public elementary school in Potomac, MD, part of Montgomery County Public Schools, serving approximately 591 students in grades Pre-K-5th with a 16.9:1 student-teacher ratio. It holds a MySchoolScout rating of 9.3 out of 10 and ranks #40 of 1,363 schools in MD. State assessment records show 78% math proficiency (multi-year average, 2009-2025) and 82% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Bells Mill Elementary

What grades does Bells Mill Elementary serve?

Bells Mill Elementary serves students in grades Pre-K through 5th.

How many students attend Bells Mill Elementary?

Bells Mill Elementary has an enrollment of approximately 591 students.

What is the student-teacher ratio at Bells Mill Elementary?

The student-teacher ratio at Bells Mill Elementary is 16.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Bells Mill Elementary rank in MD?

Bells Mill Elementary ranks #40 of 1,363 schools in MD.

What is Bells Mill Elementary's MySchoolScout rating?

Bells Mill Elementary has a current MySchoolScout rating of 9.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Bells Mill Elementary?

Based on loaded state assessment records, Bells Mill Elementary has 78% math proficiency (multi-year average, 2009-2025) and 82% reading/ELA proficiency (multi-year average, 2009-2025).

Is Bells Mill Elementary a charter school?

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

Is Bells Mill Elementary a Title I school?

No, Bells Mill Elementary is not currently a Title I school.

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

17.4% of students at Bells Mill 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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Pre-K – 5th
Enrollment
591
Student-Teacher Ratio
16.9:1
Teachers (FTE)
35
Type
regular
Setting
Large Suburb
County
Montgomery County
Chronic Absenteeism (SY 2022-23)
10.5%
Area population (ZIP 20854)
49,694
Area average commute
30.9 min
Area median age
47.6
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 MCAP · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 MCAP · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 20854; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.