Enrollment
1,199
Virginia · 2024-25 NCES data
Middle school (grades 6-8) · Vienna, VA
Kilmer Middle
Federal NCES profile for Kilmer Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 60/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 510126000513
👥 S:T ratio 30
🌟 Gifted program 70
🎓 Counselors 60
📋 Attendance 79
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Kilmer Middle earns 60/100 on the Resource Investment Index, with class sizes larger than 94% of Virginia schools.
- #1 of 15
- public schools in Vienna · Resource Index
- 60
- Resource Index · Higher
- 17.6:1
- large classes for Virginia
- 16.7%
- free-lunch eligible
Kilmer Middle has class sizes larger than 94% of Virginia schools. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Kilmer Middle ranks #1 of 15 public schools in Vienna, VA.
School address
District: Fairfax County Public Schools · Virginia
NCES ID 510126000513 Verify on NCES CCD record →
Teachers (FTE)
68.0
Federal CCD staff survey
Students per teacher
17.6:1
vs 13.9:1 Virginia avg
+27% vs state
Free-lunch eligible
16.7%
vs 57.6% Virginia avg
-71% vs state
Student-teacher ratio in context
How Kilmer Middle compares with Virginia and U.S. medians
What stands out at Kilmer Middle
Kilmer Middle is a lower-poverty, large middle school in Vienna, Virginia, enrolling 1,199 students.
Class loads run heavy: 17.6:1 is larger than about 94% of Virginia schools and 27% above the 13.9:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 16.7% free-meal eligibility runs 71% below the Virginia average.
Enrollment of 1,199 puts it in the larger third of Virginia schools by headcount.
Its Resource Investment Index lands in the upper third of 1,868 scored Virginia schools.
Against 178 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #22.
Its student body is led by White (42%) and Asian (26%) (diversity index 72/100).
Counselor coverage is strong, about 200 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 8.5% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Fairfax County Public Schools spends $17,977 per pupil, 23% above the Virginia average, a better-resourced district than most.
Among Vienna's middle schools, it stands alongside Thoreau Middle (1,239 students): Kilmer Middle is smaller than that campus by headcount and runs heavier classes (17.6:1 vs 15.9:1).
Fairfax County Public Schools also operates Lake Braddock Secondary (4,411 students) and Robinson Secondary (3,710 students) alongside Kilmer 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
How Kilmer Middle compares
Kilmer 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 | 17.6:1 | ▲ 27% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 16.7% | ▼ 71% | 57.6% | 51.7% |
| Enrollment | 1,199 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.6:1
Leaner classes than 27% of US schools, heavier class loads than most.
1,199
Bigger than 94% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
16.7%
free-lunch eligible
- 71% below the Virginia average of 57.6%
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
17.6:1
students per teacher
- 27% above state mean
Top 94% in Virginia - lower ratio than 6% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
8.5%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$17,977
per pupil, district-wide
- above Virginia avg of $14,649
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 200 students, the combined health-and-guidance staffing load for this school.
Discipline context
23
in-school suspensions + 0 out-of-school
Suspension rate: 1.9 per 100 students. Combined in-school and out-of-school rate: 1.9 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 41.5%
Asian 26.0%
Hispanic or Latino 18.0%
Two or More 7.9%
African American 5.9%
American Indian / Alaska Native 0.5%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 41.5% of enrollment.
Student-body diversity index 71.8/100
Simpson diversity index - at 71.8, Kilmer Middle is more mixed than the Virginia school average of 53.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Fairfax County Public Schools, which includes Kilmer Middle.
$17,977
Per student
+23%
vs Virginia
Avg $14,649
+8%
vs U.S.
Avg $16,593
Revenue mix
Local 66.6%
State 23.3%
Federal 10.1%
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.
How Kilmer Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lake Braddock Secondary | Larger | Similar economic need | Similar S:T ratio |
| Robinson Secondary | Larger | Similar economic need | Similar S:T ratio |
| Hayfield Secondary | Larger | Similar economic need | Similar S:T ratio |
| Chantilly High | Larger | Similar economic need | Similar S:T ratio |
| West Springfield High | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Kilmer Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 4,411
- Students per teacher
- 17:1
- Resource Index
- 57/100
- Enrollment
- 3,710
- Students per teacher
- 17.1:1
- Resource Index
- 54/100
- Enrollment
- 3,256
- Students per teacher
- 17.3:1
- Resource Index
- 53/100
- Enrollment
- 2,937
- Students per teacher
- 16.2:1
- Resource Index
- 47/100
- Enrollment
- 2,799
- Students per teacher
- 18.5:1
- Resource Index
- 45/100
Similar middle schools in Vienna
1 comparable middle schools (grades 6-8) serving the same city.
Similar middle schools statewide
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.
Similar enrollment (~1,199 students)
Similar student-teacher ratio (~17.6:1)
Next steps
Verify locally before acting on Kilmer Middle's federal record.
- Compare Kilmer Middle against another school. Compare schools
- Fairfax County Public Schools's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Kilmer Middle
How many students attend Kilmer Middle?
Kilmer Middle has 1,199 students enrolled. It is a middle school in Vienna, VA.
What is the student-teacher ratio at Kilmer Middle?
The student-teacher ratio at Kilmer Middle is 17.6:1, which is 27% higher than the Virginia average of 13.9:1 and 12% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Kilmer Middle?
16.7% of students at Kilmer Middle are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Kilmer Middle?
The largest demographic group at Kilmer Middle is White at 41.5% of enrollment, in Vienna, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.8/100.
What is the Resource Investment Index for Kilmer Middle?
Kilmer Middle has a Resource Investment Index of 60/100 (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).
How does Kilmer Middle rank among public schools in Vienna?
By Resource Investment Index, Kilmer Middle ranks #1 of 15 public schools in Vienna, VA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Vienna on the city page.
Is Kilmer Middle a good school?
Kilmer Middle earns 60/100 on the Resource Investment Index, with class sizes larger than 94% of Virginia schools. 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.
What other schools are in Fairfax County Public Schools?
Besides Kilmer Middle, Fairfax County Public Schools also operates Lake Braddock Secondary (4,411 students), Robinson Secondary (3,710 students), and Hayfield Secondary (3,256 students). See the Fairfax County Public Schools district page for the complete list.
Related tools
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.