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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
A+
allk12 Grade
Scored higher than 96% of Maryland public middle schools
  • A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Maryland public middle schools

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
5
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 633334%
Grade 735236%
Grade 829830%
Student demographics
72%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 75% · STATE 73% · US 70%
White
36437%
DISTRICT 23% · STATE 31% · US 43%
Hispanic
10711%
DISTRICT 36% · STATE 24% · US 30%
Black
11011%
DISTRICT 22% · STATE 32% · US 15%
Asian
33734%
DISTRICT 14% · STATE 7% · US 6%
Two+
647%
DISTRICT 5% · STATE 5% · US 5%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
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
48850%
Female
49550%

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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

What this means: On the MCAP, Maryland's statewide test, about 83 of every 100 students at this school read and write at grade level and about 57 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores have held steady since 2023, while math scores have held steady.

MCAP results by year

School yearEnglish Language ArtsMath
2024-2583.3%56.7%
2023-2482.9%57.3%
% 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
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

What this means: About 70% of students here test proficient in math and reading, compared with the roughly 67% 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 →

Schools most like Cabin John Middle

Cabin John Middle's state test result (70.0% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Cabin John Middle this school98312.3%70.0%
Herbert Hoover Middle
Potomac
93011.8%70.9%
Robert Frost Middle School
Rockville
91516.4%64.5%
Urbana Middle
Ijamsville
1,09016.4%65.5%
Lime Kiln Middle
Fulton
6758.6%65.7%
Folly Quarter Middle
Ellicott City
6827.8%75.2%
Matched among Maryland middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Cabin John Middle ranks

Among middle schools
MeasureThis schoolIn MarylandIn Montgomery County
State test proficiency
ranked highest first
70.0%#7 of 223#3 of 40
Math proficiency
ranked highest first
56.7%#12 of 223
▼ 5
#5 of 40
▼ 2
Reading proficiency
ranked highest first
83.3%#6 of 223
no change
#3 of 40
▼ 1
Enrollment
ranked largest first
983#47 of 230#11 of 40
Students per teacher
ranked fewest first
16.6:1#195 of 225#37 of 40
Diversity index
ranked most diverse first
71.7%#39 of 225#13 of 40
Free and reduced lunch
ranked highest share first
12.3%#219 of 227#38 of 40
Enrollment change since 2017-18
ranked steepest decline first
-2.2%#113 of 123#19 of 21
Ranked against other public middle 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. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
983
-94 (-9%) vs 2020
+89% since 1990-91, when it was 520
Student : Teacher
16.6:1
was 16.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2598359.416.6:112% (121)
2023-2497461.215.9:111% (112)
2022-2397463.415.4:113% (126)
2020-211,0776616.3:19% (92)
2017-181,00563.415.8:18% (76)
2015-169416314.9:18% (72)
2010-119245716.2:16% (60)
2000-019335317.6:16% (60)
1990-915203116.8:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Cabin John Middle.

Since 2017-18: students down 2% (1,005 to 983); teachers down 6% (63.4 to 59.4).

About Cabin John Middle

The public middle-grades school Cabin John Middle is located in Potomac, Maryland. It has an enrollment of 983 students in grades 6 through 8. That compares with an average of about 764 students for middle schools in Maryland.

The district, Montgomery County Public Schools, has 159,181 students enrolled across 208 schools.

At Cabin John Middle, White students make up the biggest share, 37%. Other students are 34% Asian, 11% Black, 11% Hispanic, and 7% multiracial. On a 0 to 100 scale, the school's diversity index is 72, compared with 70 nationally.

Cabin John Middle reports a ratio of 16.6 students per teacher, from 59.4 full-time-equivalent teachers. The school's 16.6:1 compares with an average of 14.3:1 for middle schools in Maryland. Lunch program data show 12% of students are eligible for free or reduced-price meals. That rate is below the 40% average among public schools in Montgomery County.

Among Maryland public middle schools, Cabin John Middle outscored 96%, which works out to an A+ on the allk12 Grade.

Cabin John Middle posts an average proficiency rate across its state test results of 70.0%, compared with a predicted 66.9%. It is not in the top or bottom 10% of Maryland schools on BeatsExpectations.

In the surrounding county, Montgomery County, the median household earns about $132,450 a year, 61% of adults hold a bachelor's degree or higher, and about 5% of people live in poverty. Montgomery County has 211 public schools with about 159,181 students, including Cabin John Middle.

About 0.2 miles separate Cabin John Middle from the closest public school, Bells Mill Elementary. Within five miles are at least 8 other public schools. Ranked by average proficiency, Cabin John Middle places 7th out of 9 schools in its immediate area.

In the federal locale system, Cabin John Middle is coded Suburb: Large, for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Enrollment in 2024-25 stood at 983, compared with 1,077 in 2020-21.

Parents, students, and staff can share information on special education services, counseling, and support programs here. Parents, students, alumni, and staff are welcome to post.

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 and 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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