Very Good
#672 of 1,850 schools in VA
Top 36% in state
R. Dean Kilby Elementary
Elementary School · Prince William County Public Schools
1800 Horner Rd., Woodbridge, VA 22191
Enrollment
604
Student-Teacher
12.3:1
Score
7.0
Grades
Pre-K – 5th
Enrollment
604
Student-Teacher
12.3:1
Score
7.0
Grades
Pre-K – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Woodbridge
#12 of 40
public schools
Virginia elementary schools
#366 of 1,147
In district
#26 of 94
Prince William County Public Schools
Academic growth
8.4 / 10
Very strong
About R. Dean Kilby Elementary
R. Dean Kilby Elementary is a public elementary school in Woodbridge, Virginia, nestled in the Prince William County district. The school serves students from pre-kindergarten through fifth grade and has an enrollment of 604 students with a student-to-teacher ratio of 12.3:1.
Located at 1800 Horner Road, R. Dean Kilby Elementary is situated in a large suburban area. The academic performance data reflects that the school is focused on continuous improvement.
With a MySchoolScout rating of 5.2 out of 10 and ranking as the 42nd percentile among Virginia schools, it offers an educational environment with room for growth. On state assessments, 56% of students are proficient or above in ELA/Reading, while 59% demonstrate proficiency in Math. R.
Dean Kilby Elementary is part of a supportive suburban community where families and educators work together to provide a nurturing learning atmosphere for young students.
What Parents Should Know
While current test scores at R. Dean Kilby Elementary are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.
Score Breakdown
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R. Dean Kilby Elementary — Students at R. Dean Kilby Elementary score 62% proficient, which is below what's typical for similar communities (expected: 66%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
103%
Students qualifying for federal meal assistance
Test Scores VA SOL (2024-25)
Based on 12 test records from VA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.4/10.
How R. Dean Kilby Elementary Compares
See how R. Dean Kilby Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 67% (2019) to 64% (2025). Reading/ELA proficiency has remained stable from 60% (2019) to 59% (2025).
Location
1800 Horner Rd., Woodbridge, VA 22191
Nearby Alternatives
Families considering R. Dean Kilby Elementary may also want to explore other elementary schools in the area. Belmont Elementary (rated 8.3/10, 1.6 miles away), which scores notably higher. Another option is Featherstone Elementary (rated 7.9/10, 1.9 miles away), which scores slightly higher. Additionally, Potomac View Elementary (rated 7.8/10, 1.7 miles away), which scores slightly higher. For more schools in Woodbridge, see our Woodbridge schools guide .
Nearby Schools
20 within 2.9 mi| School | Distance | Rating |
|---|---|---|
| Fred M. Lynn Middle Woodbridge | 0.5 mi | 6.7 |
| CARDINAL MONTESSORI SCHOOL Woodbridge | 0.6 mi | 6.2 |
| Elizabeth Vaughan Elementary Woodbridge | 0.7 mi | 3.4 |
| ST THOMAS AQUINAS REGIONAL SCHOOL Woodbridge | 0.7 mi | 6.3 |
| Woodbridge Middle Woodbridge | 0.8 mi | 6.0 |
| Occoquan Elementary Woodbridge | 1.1 mi | 6.0 |
| Marumsco Hills Elementary Woodbridge | 1.1 mi | 4.1 |
| Potomac View Elementary Woodbridge | 1.7 mi | 7.8 |
| Rockledge Elementary Woodbridge | 1.8 mi | 5.4 |
| Featherstone Elementary Woodbridge | 1.9 mi | 7.9 |
| Belmont Elementary Woodbridge | 1.6 mi | 8.3 |
| CHRIST CHAPEL ACADEMY Woodbridge | 1.9 mi | 7.4 |
| Rippon Middle Woodbridge | 2.5 mi | 5.8 |
| Gar-Field High Woodbridge | 2.1 mi | 6.9 |
| CLOVERDALE SCHOOL Woodbridge | 2.2 mi | — |
| Woodbridge High Woodbridge | 2.4 mi | 5.4 |
| Freedom High Woodbridge | 2.7 mi | 4.9 |
| Mary G. Porter Traditional Woodbridge | 2.9 mi | 7.8 |
| Old Bridge Elementary Woodbridge | 2.6 mi | 5.8 |
| Antietam Elementary Woodbridge | 2.9 mi | 6.3 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 22191 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$107,993
Median Home Value
$432,600
Median Rent
$2,069/mo
Population
73,755
College Educated
38.7%
Homeownership
58.6%
Avg Commute
38.9 min
Poverty Rate
7.7%
Median Age
34.4
Community Profile
The community surrounding R. Dean Kilby Elementary has a median household income of $107,993. It is an area where 39% of adults hold a bachelor's degree or higher. The median home value in the area is $432,600, with a median rent of $2,069/month. The local poverty rate of 7.7% is relatively low. The average commute in the area is 39 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Arcola Elementary Aldie, VA | 7.0 |
| Arthur Ashe Jr. Elementary Richmond, VA | 7.0 |
| Bonnie Brae Elementary Fairfax, VA | 7.0 |
| Christopher Farms Elementary Virginia Beach, VA | 7.0 |
| Concord Elementary Concord, VA | 7.0 |
| Crossfield Elementary Herndon, VA | 7.0 |
Frequently Asked Questions
Common questions about R. Dean Kilby Elementary
What grades does R. Dean Kilby Elementary serve?
R. Dean Kilby Elementary serves students in grades Pre-K through 5th.
How many students attend R. Dean Kilby Elementary?
R. Dean Kilby Elementary has an enrollment of approximately 604 students.
What is the student-teacher ratio at R. Dean Kilby Elementary?
The student-teacher ratio at R. Dean Kilby Elementary is 12.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does R. Dean Kilby Elementary rank in VA?
R. Dean Kilby Elementary is ranked #672 out of 1,850 schools in VA.
What is R. Dean Kilby Elementary's MySchoolScout rating?
R. Dean Kilby Elementary has a composite rating of 7.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at R. Dean Kilby Elementary?
Based on the most recent state assessment data, R. Dean Kilby Elementary has 58.8% math proficiency and 56.5% reading/ELA proficiency.
Is R. Dean Kilby Elementary a charter school?
No, R. Dean Kilby Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is R. Dean Kilby Elementary a Title I school?
No, R. Dean Kilby Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for R. Dean Kilby Elementary?
103.0% of students at R. Dean Kilby Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR. County-level only.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 5th
- Enrollment
- 604
- Student-Teacher Ratio
- 12.3:1
- Teachers (FTE)
- 49
- Free/Reduced Lunch
- 103.0%
- Type
- regular
- Setting
- Large Suburb
- County
- Prince William County
- Phone
- (703) 494-6677
- Data Year
- 2023–2024
Resources & Links
District
Prince William County Public Schools- District Enrollment
- 90,550
- Schools in District
- 99
- Per-Pupil Spending
- $15,373
- District Rank
- #26 of 94
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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