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SCHOOL COMMUNITY·MONTGOMERY COUNTY PUBLIC SCHOOLS·NCES 240048001526

Cabin John Middle

10701 Gainsborough Road, Potomac, MD 20854 · (240) 406-1600 · Montgomery County
GRADES 06–08MIDDLE21-SUBURBREGULAR SCHOOL983 STUDENTS
Enrollment
983
Middle
DISTRICT 888 · STATE 764
Student : Teacher
16.6:1
59 FTE teachers
DISTRICT 14.5:1 · STATE 14.3:1
Free / Reduced Lunch
12%
121 students
DISTRICT 40% · STATE 54%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
333
Grade 7
352
Grade 8
298
Student demographics
White
36437%
DISTRICT 23% · STATE 31%
Hispanic
10711%
DISTRICT 36% · STATE 24%
Black
11011%
DISTRICT 22% · STATE 32%
Asian
33734%
DISTRICT 14% · STATE 7%
Two+
647%
DISTRICT 5% · STATE 5%
Pacific Islander
10%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
48850%
Female
49550%

Discussions

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Test scores

MCAP 2024-25 . % Proficient (Levels 3-4)
English Language Arts
83.3%
MD avg 50.6% . +0.4pp since 2023
Math
56.7%
MD avg 34.8% . -0.6pp since 2023
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
70.0%
composite math + reading, all grades
Predicted
66.9%
based on MD schools with similar FRL share
Beats by
+3.1pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
983
-22 (-2%) vs 2017
Student : Teacher
16.6:1
was 15.8:1
% White
37%
was 43%
% Hispanic
11%
was 8%
% Black
11%
was 12%
% Asian
34%
was 32%
Source: NCES Common Core of Data

About Cabin John Middle

Located at 10701 Gainsborough Road, in Potomac, Maryland, Cabin John Middle is a mid-tier junior high that hosts 983 students (grades 6 through 8), part of Montgomery County Public Schools. That puts it 29% above the typical public school in Maryland, which averages around 764 students.

Montgomery County Public Schools comprises 208 schools with combined enrollment of 159,181 students; Cabin John Middle is among them.

For racial and ethnic makeup, Cabin John Middle reports that the largest single group is White at 37%, but no single group is in the majority. The remainder reads as 34% Asian, 11% Black, 11% Hispanic, 7% multiracial.

Looking at school resources, On paper, Cabin John Middle has 59 full-time-equivalent teachers, translating to a class-load average of around 16.6:1. Statewide, the average ratio sits near 14.3:1, putting Cabin John Middle higher than the state norm the norm. About 12% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Montgomery County (around 40%), the school's rate is noticeably below typical.

On a residual basis (actual vs predicted given the student mix), Cabin John Middle sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 66.9%; this one delivers 70.0%.

In the broader community, the surrounding county (Montgomery County) records that median household income runs about $132,450, 61% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. In all, Montgomery County runs 211 public schools (combined enrollment of about 159,181 students), of which Cabin John Middle is one.

Bells Mill Elementary is the nearest neighboring public school, about 0.2 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Cabin John Middle. Among the 9 schools in that immediate cluster with test data (this one included), Cabin John Middle ranks 7th on composite proficiency, behind the local average of 76.0%.

The campus sits in a bedroom-community setting.

Five-year trend. Looking back 7 years, enrollment at Cabin John Middle has remained close to its prior level, going from 1,005 students in 2018 to 983 in 2025. The White share of enrollment contracted from 43% to 37% over that span.

Inside the community feed, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.

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
Cabin John Middle
District
Montgomery County Public Schools
Address
10701 Gainsborough Road, Potomac, MD 20854
Phone
(240) 406-1600
County
Montgomery County
Level
Middle
Grade range
06–08
Total enrollment
983
Teachers (FTE)
59
Student–teacher ratio
16.6:1
Free/Reduced lunch
121 (12%)
Locale
21-Suburb: Large
NCES ID
240048001526
Charter school
No
Virtual school
No

Related schools

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

Frequently asked questions

About Cabin John Middle
What is the total enrollment at Cabin John Middle?
Cabin John Middle enrolls approximately 983 students in grades 06-08.
Is Cabin John Middle an elementary, middle, or high school?
Cabin John Middle is a middle school covering grades 06-08.
How many teachers does Cabin John Middle have?
Cabin John Middle employs 59 FTE teachers, for a student-to-teacher ratio of 16.6:1.
What is the racial breakdown of students at Cabin John Middle?
At Cabin John Middle, the student body is approximately 37% White, 11% Hispanic, 11% Black, 34% Asian, 7% Two or more.
Is Cabin John Middle public or private?
Cabin John Middle is a public K-12 school, overseen by Montgomery County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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