- Enrollment
- 3,266
- Students per teacher
- 17:1
- Resource Index
- 52/100
Middle school (grades 6-8) · Potomac, MD
Cabin John Middle
Federal NCES profile for Cabin John Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 61/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 240048001526
👥 S:T ratio 38
🌟 Gifted program 70
🎓 Counselors 56
📋 Attendance 81
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cabin John Middle earns 61/100 on the Resource Investment Index, with class sizes near the Maryland median.
- #1 of 8
- public schools in Potomac · Resource Index
- 61
- Resource Index · Higher
- 15.6:1
- students per teacher
- 12.3%
- free-lunch eligible
Cabin John Middle has class sizes near the Maryland median. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Cabin John Middle ranks #1 of 8 public schools in Potomac, MD.
School address
District: Montgomery County Public Schools · Maryland
NCES ID 240048001526 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+0 students YoY
Cabin John Middle held near 974 students from 2022-23 to 2023-24 (+0 headcount).
Teacher FTE lost 63.4 → 61.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+0 students YoY 240048001526 · Potomac, MD Middle · MID · TRAD
983 enr · 15.6:1 · 12.3% lunch · RII 61
Nearest enrollment peer: Montgomery Blair High (3,266 students)
Cabin John Middle held near 974 students from 2022-23 to 2023-24 (+0 headcount). Teacher FTE lost 63.4 → 61.2 across the same CCD years. Read with this school → · District book → · Maryland schools → · Find another →
Cabin John Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Montgomery Bla
Montgomery Blair High
3,266 students
- Walter Johnson
Walter Johnson High
3,016 students
- Wheaton High
Wheaton High
2,794 students
- Gaithersburg H
Gaithersburg High
2,441 students
- Seneca Valley
Seneca Valley High
2,409 students
- This school 983
Cabin John Middle
983 students
What this shows Cabin John Middle reports 983 students on the CCD universe file.
How Cabin John Middle compares
Cabin John Middle held steady on CCD headcount: ratios and free-lunch share vs Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.6:1 | ▲ 8% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 12.3% | ▼ 75% | 49.0% | 51.7% |
| Enrollment | 983 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.6:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
983
Bigger than 91% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
12.3%
free-lunch eligible
- 75% below the Maryland average of 49.0%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.6:1
students per teacher
- 8% above state mean
Top 65% in Maryland - lower ratio than 35% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
7.6%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$19,456
per pupil, district-wide
- above Maryland avg of $18,753
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors4.5 FTE
Per 218 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 37.0%
Asian 34.3%
African American 11.2%
Hispanic or Latino 10.9%
Two or More 6.5%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 37.0% of enrollment.
Student-body diversity index 71.7/100
Simpson diversity index - at 71.7, Cabin John Middle is more mixed than the Maryland school average of 52.3.
Programs
Gifted & talented Yes
District finance for Montgomery County Public Schools reports $19,456 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Cabin John Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Montgomery Blair High | Larger | Higher economic need | Similar S:T ratio |
| Walter Johnson High | Larger | Similar economic need | Higher S:T ratio |
| Wheaton High | Larger | Higher economic need | Higher S:T ratio |
| Gaithersburg High | Larger | Higher economic need | Similar S:T ratio |
| Seneca Valley High | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Cabin John Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,016
- Students per teacher
- 19.1:1
- Resource Index
- 51/100
- Enrollment
- 2,794
- Students per teacher
- 17.8:1
- Resource Index
- 43/100
- Enrollment
- 2,441
- Students per teacher
- 14.4:1
- Resource Index
- 56/100
- Enrollment
- 2,409
- Students per teacher
- 15.6:1
- Resource Index
- 41/100
Similar middle schools in Potomac
1 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~983 students)
Similar student-teacher ratio (~15.6:1)
Frequently asked questions about Cabin John Middle
How many students attend Cabin John Middle?
Cabin John Middle has 983 students enrolled. It is a middle school in Potomac, MD. CCD year-over-year: 974 (2022-23) → 974 (2023-24), nearly flat (+0).
What is the student-teacher ratio at Cabin John Middle?
The student-teacher ratio at Cabin John Middle is 15.6:1, which is 8% higher than the Maryland average of 14.5:1 and 1% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Cabin John Middle?
12.3% of students at Cabin John Middle are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Cabin John Middle?
The largest demographic group at Cabin John Middle is White at 37.0% of enrollment, in Potomac, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.7/100.
What is the Resource Investment Index for Cabin John Middle?
Cabin John Middle has a Resource Investment Index of 61/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Cabin John Middle rank among public schools in Potomac?
By Resource Investment Index, Cabin John Middle ranks #1 of 8 public schools in Potomac, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Potomac on the city page.
What other schools are in Montgomery County Public Schools?
Besides Cabin John Middle, Montgomery County Public Schools also operates Montgomery Blair High (3,266 students), Walter Johnson High (3,016 students), and Wheaton High (2,794 students). See the Montgomery County Public Schools district page for the complete list.