- Enrollment
- 2,956
- Students per teacher
- 18.5:1
- Resource Index
- 41/100
Other / mixed grade configuration · Woodbridge, VA
R. Dean Kilby Elementary
Federal NCES profile for R. Dean Kilby Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataOther / mixed grade configurationNCES 510313001317
👥 S:T ratio 51
🌟 Gifted program 70
🎓 Counselors 39
📋 Attendance 55
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
R. Dean Kilby Elementary earns 54/100 on the Resource Investment Index, with class sizes smaller than 75% of Virginia schools.
- #12 of 27
- schools in Woodbridge · Resource Index
- 54
- Resource Index · Higher
- 12.3:1
- small classes for Virginia
- 86.0%
- free-lunch eligible
R. Dean Kilby Elementary has class sizes smaller than 75% of Virginia schools. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, R. Dean Kilby Elementary ranks #12 of 27 schools in Woodbridge, VA.
School address
District: Prince William County Public Schools · Virginia
NCES ID 510313001317 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-75 students YoY
R. Dean Kilby Elementary shrank from 679 students in 2022-23 to 604 in 2023-24 (-11.0%).
Teacher FTE lost 50.0 → 49.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-75 students YoY 510313001317 · Woodbridge, VA Other · MID · TRAD
613 enr · 12.3:1 · 86.0% lunch · RII 54
Nearest enrollment peer: Charles J. Colgan Sr. High (2,956 students)
R. Dean Kilby Elementary shrank from 679 students in 2022-23 to 604 in 2023-24 (-11.0%). Teacher FTE lost 50.0 → 49.4 across the same CCD years. Read with this school → · District book → · Virginia schools → · Find another →
R. Dean Kilby Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Charles J. Col
Charles J. Colgan Sr. High
2,956 students
- Woodbridge Hig
Woodbridge High
2,898 students
- Osbourn Park H
Osbourn Park High
2,661 students
- Gainesville Hi
Gainesville High
2,648 students
- Gar-Field High
Gar-Field High
2,524 students
- This school 613
R. Dean Kilby Elementary
613 students
What this shows R. Dean Kilby Elementary reports 613 students on the CCD universe file.
How R. Dean Kilby Elementary compares
R. Dean Kilby Elementary is a shrinking campus on CCD: ratios and free-lunch share vs Virginia and U.S. means.
| Metric | This school | vs Virginia | Virginia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.3:1 | ▼ 12% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 86.0% | ▲ 49% | 57.6% | 51.7% |
| Enrollment | 613 | top 41% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.3:1
Leaner classes than 73% of US schools, among the more generously staffed nationally.
613
Bigger than 74% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
86.0%
free-lunch eligible
- 49% above the Virginia average of 57.6%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
12.3:1
students per teacher
- 12% below state mean
Top 25% in Virginia - lower ratio than 75% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
17.8%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,373
per pupil, district-wide
- below Virginia avg of $15,892
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 307 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 2 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 0.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 67.5%
African American 17.8%
Asian 8.2%
White 3.3%
Two or More 3.1%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 67.5% of enrollment.
Student-body diversity index 50.4/100
Simpson diversity index - at 50.4, R. Dean Kilby Elementary is less mixed than the Virginia school average of 53.7.
Programs
Gifted & talented Yes
District finance for Prince William County Public Schools reports $15,373 per pupil (NCES F-33) - open the district page for the full revenue mix.
How R. Dean Kilby Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Charles J. Colgan Sr. High | Larger | Lower economic need | Higher S:T ratio |
| Woodbridge High | Larger | Lower economic need | Higher S:T ratio |
| Osbourn Park High | Larger | Lower economic need | Higher S:T ratio |
| Gainesville High | Larger | Lower economic need | Higher S:T ratio |
| Gar-Field High | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to R. Dean Kilby Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,898
- Students per teacher
- 17.5:1
- Resource Index
- 38/100
- Enrollment
- 2,661
- Students per teacher
- 16.6:1
- Resource Index
- 42/100
- Enrollment
- 2,648
- Students per teacher
- 20.9:1
- Resource Index
- 41/100
- Enrollment
- 2,524
- Students per teacher
- 16.7:1
- Resource Index
- 49/100
Similar other schools in Woodbridge
6 comparable other schools (grades Mixed) serving the same city.
Kyle R. Wilson Elementary
Standard public school
875 students 16.8:1 students per teacher
Springwoods Elementary
Standard public school
842 students 17.9:1 students per teacher
Fannie W. Fitzgerald Elementary
Standard public school
829 students 12:1 students per teacher
Leesylvania Elementary
Standard public school
759 students 16.9:1 students per teacher
Antietam Elementary
Standard public school
752 students 16:1 students per teacher
Sonnie Penn Elementary
Standard public school
744 students 17.7:1 students per teacher
Nationwide other 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 (~613 students)
Frequently asked questions about R. Dean Kilby Elementary
How many students attend R. Dean Kilby Elementary?
R. Dean Kilby Elementary has 613 students enrolled. It is a public school in Woodbridge, VA. CCD year-over-year: 679 (2022-23) → 604 (2023-24), down 75.
What is the student-teacher ratio at R. Dean Kilby Elementary?
The student-teacher ratio at R. Dean Kilby Elementary is 12.3:1, which is 12% lower than the Virginia average of 13.9:1 and 22% 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 R. Dean Kilby Elementary?
86.0% of students at R. Dean Kilby Elementary are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of R. Dean Kilby Elementary?
The largest demographic group at R. Dean Kilby Elementary is Hispanic or Latino at 67.5% of enrollment, in Woodbridge, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.4/100.
What is the Resource Investment Index for R. Dean Kilby Elementary?
R. Dean Kilby Elementary has a Resource Investment Index of 54/100 (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 R. Dean Kilby Elementary rank among schools in Woodbridge?
By Resource Investment Index, R. Dean Kilby Elementary ranks #12 of 27 schools in Woodbridge, VA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Woodbridge on the city page.
What other schools are in Prince William County Public Schools?
Besides R. Dean Kilby Elementary, Prince William County Public Schools also operates Charles J. Colgan Sr. High (2,956 students), Woodbridge High (2,898 students), and Osbourn Park High (2,661 students). See the Prince William County Public Schools district page for the complete list.