Enrollment
989
Virginia · 2024-25 NCES data
Middle school (grades 6-8) · Arlington, VA
Federal NCES profile for Dorothy Hamm Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 67/100.
The verdict
Dorothy Hamm Middle earns 67/100 on the Resource Investment Index, with class sizes near the Virginia median.
Dorothy Hamm Middle has class sizes near the Virginia median. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Dorothy Hamm Middle ranks #1 of 6 middle schools in Arlington, VA.
NCES ID 510027003062 Verify on NCES CCD record →
Enrollment
989
Virginia · 2024-25 NCES data
Teachers (FTE)
72.0
Federal CCD staff survey
Students per teacher
13.7:1
vs 13.9:1 Virginia avg
-1% vs state
Free-lunch eligible
15.8%
vs 57.6% Virginia avg
-73% vs state
How Dorothy Hamm Middle compares with Virginia and U.S. medians
At or below state median
13.7:1 - 0.2 below the Virginia state median of 13.9:1, indicating smaller average class loads than typical schools in the state.
Dorothy Hamm Middle is a lower-poverty, large middle school in Arlington, Virginia, enrolling 989 students.
At 13.7:1, its student-teacher ratio sits close to the Virginia median, within a few percentage points of the 13.9:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 15.8% free-meal eligibility runs 73% below the Virginia average.
Enrollment of 989 puts it in the larger third of Virginia schools by headcount.
Its Resource Investment Index outscores 98% of the 1,868 Virginia schools with a score on record, a top-tier result on this measure.
Among 233 similarly sized, similarly resourced-need Virginia schools statewide, it ranks #2, a top-tier result once campus size and economic need are matched.
Its student body is led by White (52%) and Hispanic or Latino (15%) (diversity index 67/100).
Counselor coverage is strong, about 187 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 4.3% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Arlington County Public Schools spends $21,782 per pupil, 49% above the Virginia average, a better-resourced district than most.
Among Arlington's middle schools, it stands alongside Jefferson Middle (1,120 students): Dorothy Hamm Middle is smaller than that campus by headcount and runs leaner classes (13.7:1 vs 13.7:1).
Arlington County Public Schools also operates Washington-Liberty High (3,044 students) and Wakefield High (2,646 students) alongside Dorothy Hamm Middle.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Dorothy Hamm Middle on the metrics families compare, against Virginia and U.S. means.
| Metric | This school | vs Virginia | Virginia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.7:1 | ▼ 1% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 15.8% | ▼ 73% | 57.6% | 51.7% |
| Enrollment | 989 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 52.3% of enrollment.
Simpson diversity index - at 66.6, Dorothy Hamm Middle is more mixed than the Virginia school average of 53.7.
District-wide per-pupil expenditure for Arlington County Public Schools, which includes Dorothy Hamm Middle.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Washington-Liberty High | Larger | Similar economic need | Higher S:T ratio |
| Wakefield High | Larger | Higher economic need | Higher S:T ratio |
| Yorktown High | Larger | Similar economic need | Higher S:T ratio |
| Jefferson Middle | Similar size | Higher economic need | Similar S:T ratio |
| Gunston Middle | Similar size | Higher economic need | Similar S:T ratio |
Comparisons are relative to Dorothy Hamm Middle's own figures; each column derives from NCES Common Core of Data.
5 comparable middle schools (grades 6-8) serving the same city.
Matched by enrollment size and by staffing ratio across all of Virginia, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Dorothy Hamm Middle's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Dorothy Hamm Middle has 989 students enrolled. It is a middle school in Arlington, VA.
The student-teacher ratio at Dorothy Hamm Middle is 13.7:1, which is 1% lower than the Virginia average of 13.9:1 and 13% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
15.8% of students at Dorothy Hamm Middle are eligible for free lunch, compared to the Virginia average of 57.6%.
The largest demographic group at Dorothy Hamm Middle is White at 52.3% of enrollment, in Arlington, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.6/100.
Dorothy Hamm Middle has a Resource Investment Index of 67/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Dorothy Hamm Middle ranks #1 of 6 middle schools in Arlington, VA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Arlington on the city page.
Dorothy Hamm Middle earns 67/100 on the Resource Investment Index, with class sizes near the Virginia median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Dorothy Hamm Middle, Arlington County Public Schools also operates Washington-Liberty High (3,044 students), Wakefield High (2,646 students), and Yorktown High (2,593 students). See the Arlington County Public Schools district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Dorothy Hamm Middle, Arlington VA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/dorothy-hamm-middle-va
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