- Enrollment
- 2,087
- Students per teacher
- 15.5:1
- Resource Index
- 48/100
Middle school (grades 6-8) · Baltimore, MD
Dumbarton Middle
Federal NCES profile for Dumbarton Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 240012000374
👥 S:T ratio 43
🌟 Gifted program 70
🎓 Counselors 29
📋 Attendance 34
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Dumbarton Middle earns 44/100 on the Resource Investment Index, with class sizes near the Maryland median.
- #13 of 27
- middle schools in Baltimore · Resource Index
- 44
- Resource Index · Typical
- 14.2:1
- students per teacher
- 28.1%
- free-lunch eligible
Dumbarton Middle has class sizes near the Maryland median. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Dumbarton Middle ranks #13 of 27 middle schools in Baltimore, MD.
School address
District: Baltimore County Public Schools · Maryland
NCES ID 240012000374 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-2 students YoY
Dumbarton Middle held near 1,071 students from 2022-23 to 2023-24 (-2 headcount).
Teacher FTE lost 75.0 → 67.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-2 students YoY 240012000374 · Baltimore, MD Middle · MID · TRAD
1,064 enr · 14.2:1 · 28.1% lunch · RII 44
Nearest enrollment peer: Dundalk High (2,087 students)
Dumbarton Middle held near 1,071 students from 2022-23 to 2023-24 (-2 headcount). Teacher FTE lost 75.0 → 67.5 across the same CCD years. Read with this school → · District book → · Maryland schools → · Find another →
Dumbarton Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Dundalk High
Dundalk High
2,087 students
- Perry Hall Hig
Perry Hall High
2,012 students
- Woodlawn High
Woodlawn High
1,922 students
- Kenwood High
Kenwood High
1,900 students
- Dulaney High
Dulaney High
1,889 students
- This school
Dumbarton Middle
1,064 students
What this shows Dumbarton Middle reports 1,064 students on the CCD universe file.
How Dumbarton Middle compares
Dumbarton 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 | 14.2:1 | ▼ 2% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 28.1% | ▼ 43% | 49.0% | 51.7% |
| Enrollment | 1,064 | top 12% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.2:1
Leaner classes than 55% of US schools, a middle-of-the-pack class size.
1,064
Bigger than 92% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
28.1%
free-lunch eligible
- 43% below the Maryland average of 49.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.2:1
students per teacher
- 2% below state mean
Top 46% in Maryland - lower ratio than 54% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
26.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,666
per pupil, district-wide
- below Maryland avg of $18,753
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 355 students, the combined health-and-guidance staffing load for this school.
Discipline context
11
in-school suspensions + 69 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 7.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 51.7%
African American 22.8%
Hispanic or Latino 12.7%
Asian 7.5%
Two or More 5.2%
American Indian / Alaska Native 0.1%
Largest group: White at 51.7% of enrollment.
Student-body diversity index 65.6/100
Simpson diversity index - at 65.6, Dumbarton Middle is more mixed than the Maryland school average of 52.3.
Programs
Gifted & talented Yes
District finance for Baltimore County Public Schools reports $18,666 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Dumbarton Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Dundalk High | Larger | Higher economic need | Similar S:T ratio |
| Perry Hall High | Larger | Higher economic need | Higher S:T ratio |
| Woodlawn High | Larger | Higher economic need | Higher S:T ratio |
| Kenwood High | Larger | Higher economic need | Higher S:T ratio |
| Dulaney High | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Dumbarton Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,012
- Students per teacher
- 16.6:1
- Resource Index
- 39/100
- Enrollment
- 1,922
- Students per teacher
- 17:1
- Resource Index
- 46/100
- Enrollment
- 1,900
- Students per teacher
- 16.5:1
- Resource Index
- 45/100
- Enrollment
- 1,889
- Students per teacher
- 17.5:1
- Resource Index
- 43/100
Similar middle schools in Baltimore
6 comparable middle schools (grades 6-8) serving the same city.
Perry Hall Middle
Standard public school
1,582 students 14.9:1 students per teacher
Arbutus Middle
Standard public school
974 students 16.8:1 students per teacher
Pikesville Middle
Standard public school
943 students 15.7:1 students per teacher
Golden Ring Middle
Standard public school
903 students 17:1 students per teacher
Parkville Middle
Standard public school
900 students 13.6:1 students per teacher
Southwest Academy
Standard public school
842 students 16.2:1 students per teacher
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 (~1,064 students)
Frequently asked questions about Dumbarton Middle
How many students attend Dumbarton Middle?
Dumbarton Middle has 1,064 students enrolled. It is a middle school in Baltimore, MD. CCD year-over-year: 1,073 (2022-23) → 1,071 (2023-24), nearly flat (-2).
What is the student-teacher ratio at Dumbarton Middle?
The student-teacher ratio at Dumbarton Middle is 14.2:1, which is 2% lower than the Maryland average of 14.5:1 and 10% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Dumbarton Middle?
28.1% of students at Dumbarton Middle are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Dumbarton Middle?
The largest demographic group at Dumbarton Middle is White at 51.7% of enrollment, in Baltimore, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.6/100.
What is the Resource Investment Index for Dumbarton Middle?
Dumbarton Middle has a Resource Investment Index of 44/100 (typical 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 Dumbarton Middle rank among middle schools in Baltimore?
By Resource Investment Index, Dumbarton Middle ranks #13 of 27 middle schools in Baltimore, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Baltimore on the city page.
What other schools are in Baltimore County Public Schools?
Besides Dumbarton Middle, Baltimore County Public Schools also operates Dundalk High (2,087 students), Perry Hall High (2,012 students), and Woodlawn High (1,922 students). See the Baltimore County Public Schools district page for the complete list.