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Teachers: what resource would make the biggest difference at R. Dean Kilby Elementary this year?
Community prompt from u/allk12. Replies below.
Enrollment
613
Elementary
DISTRICT 636 · STATE 499
SCHOOL COMMUNITY·PRINCE WILLIAM COUNTY PUBLIC SCHOOLS·NCES 510313001317
R. Dean Kilby Elementary
1800 Horner Rd., Woodbridge, VA 22191 · (703) 494-6677 · Prince William County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL613 STUDENTS
D
allk12 Grade
Scored higher than 13% of Virginia public elementary schools
- C-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- DBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Virginia public elementary schools
Student : Teacher
14.2:1
43 FTE teachers
DISTRICT 15.8:1 · STATE 13.8:1
Free / Reduced Lunch
72%
440 students
DISTRICT 57% · STATE 66%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 55 | 9% |
| Kindergarten | 97 | 16% |
| Grade 1 | 95 | 15% |
| Grade 2 | 92 | 15% |
| Grade 3 | 96 | 16% |
| Grade 4 | 87 | 14% |
| Grade 5 | 91 | 15% |
This year's kindergarten class (97) is 7% larger than its 5th grade class (91).
Student demographics
50%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 74% · STATE 71% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
SOL 2024-25 . % PassingEnglish Language Arts
59.0%
VA avg 74.2% . +3.0pp since 2022
Math
64.0%
VA avg 72.7% . +5.0pp since 2022
What this means: On the SOL, Virginia's statewide test, about 59 of every 100 students at this school read and write at grade level and about 64 of 100 do math at grade level. Across all Virginia schools, those numbers are about 74 and 73. Reading and writing scores are up about 3 points since 2022, while math scores are up about 5 points.
SOL results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 59.0% | 64.0% |
| 2023-24 | 60.0% | 60.0% |
| 2022-23 | 56.0% | 59.0% |
% Passing, all students and all tested grades.
Source: SOL. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
54.5%
composite math + reading, all grades
Predicted
68.6%
based on VA schools with similar FRL share
Beats by
-14.1pp
below demographic expectation
What this means: About 55% of students here test proficient in math and reading, compared with the roughly 69% typical for Virginia schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Virginia's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like R. Dean Kilby Elementary
R. Dean Kilby Elementary's state test result (54.5% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| R. Dean Kilby Elementary this school | 613 | 71.8% | 54.5% |
| Elizabeth Vaughan Elementary Woodbridge | 601 | 69.9% | 52.8% |
| Potomac View Elementary Woodbridge | 557 | 70.7% | 69.8% |
| Neabsco Elementary Woodbridge | 635 | 70.9% | 73.3% |
| Belmont Elementary Woodbridge | 492 | 71.1% | 73.8% |
| Marumsco Hills Elementary Woodbridge | 564 | 70.0% | 53.9% |
Matched among Virginia elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where R. Dean Kilby Elementary ranks
Among elementary schools| Measure | This school | In Virginia | In Prince William County |
|---|---|---|---|
| State test proficiency ranked highest first | 54.5% | #925 of 1,101 | #60 of 64 |
| Math proficiency ranked highest first | 64.0% | #815 of 1,111 ▲ 23 | #54 of 64 ▲ 3 |
| Reading proficiency ranked highest first | 59.0% | #877 of 1,111 ▼ 12 | #54 of 64 ▲ 3 |
| Enrollment ranked largest first | 613 | #336 of 1,176 | #35 of 64 |
| Students per teacher ranked fewest first | 14.2:1 | #612 of 1,105 | #14 of 64 |
| Diversity index ranked most diverse first | 50.4% | #754 of 1,106 | #56 of 64 |
| Free and reduced lunch ranked highest share first | 71.8% | #636 of 1,157 | #6 of 64 |
| Enrollment change since 2017-18 ranked steepest decline first | -22.0% | #137 of 759 | #10 of 45 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
613
-27 (-4%) vs 2020
+64% since 1990-91, when it was 373
Student : Teacher
14.2:1
was 12.8:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 613 | 43.3 | 14.2:1 | 72% (440) |
| 2023-24 | 604 | 49.4 | 12.2:1 | N/A |
| 2022-23 | 679 | 50 | 13.6:1 | 86% (584) |
| 2020-21 | 640 | 50 | 12.8:1 | N/A |
| 2017-18 | 786 | 55.3 | 14.2:1 | 79% (624) |
| 2015-16 | 456 | 35 | 13.0:1 | 75% (343) |
| 2010-11 | 440 | 29 | 15.2:1 | 64% (280) |
| 2000-01 | 366 | 28 | 13.1:1 | 64% (235) |
| 1990-91 | 373 | 24 | 15.5:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for R. Dean Kilby Elementary.
Since 2017-18: students down 22% (786 to 613); teachers down 22% (55.3 to 43.3).
About R. Dean Kilby Elementary
R. Dean Kilby Elementary is a public elementary school run by Prince William County Public Schools in Woodbridge, Virginia. The school serves pre-K through 5. Enrollment is 613 students. By comparison, elementary schools in Virginia enroll about 499 students on average.
Prince William County Public Schools (95 schools, 90,242 students) runs R. Dean Kilby Elementary.
Federal enrollment data show R. Dean Kilby Elementary is 68% Hispanic. The next largest groups are 18% Black, 8% Asian, 3% White, and 3% multiracial. The school's Hispanic share is 41 points above the 26% share among Prince William County residents. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 50%.
R. Dean Kilby Elementary lists 43.3 full-time-equivalent teachers; that is about 14.2 students per teacher. The average for elementary schools in Virginia is about 13.8:1. Free or reduced-price lunch covers 72% of the student body. The average for public schools in Prince William County is 55%.
R. Dean Kilby Elementary earns a D on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 13% of Virginia public elementary schools.
R. Dean Kilby Elementary sits between the top and bottom 10% of Virginia schools on BeatsExpectations, with an actual average proficiency rate across its state test results of 54.5% and a predicted 68.6%.
Prince William County is the school's county. There, the median household earns about $131,402 a year, roughly 45% of adults have a four-year degree or more, and the share of residents below the poverty line is 5%. R. Dean Kilby Elementary shares Prince William County with 101 other public schools.
R. Dean Kilby Elementary is about 0.5 miles from Fred M. Lynn Middle, its nearest public school. Around the school, at least 8 other public schools are within five miles. Among its closest neighbors with test data, R. Dean Kilby Elementary is 7th of 9 on proficiency.
Federal data place R. Dean Kilby Elementary in the Suburb: Large locale, which means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Enrollment fell by 4% across 4 years, from 640 in 2020-21 to 613 in 2024-25. The student-to-teacher ratio increased from 12.8:1 in 2020-21 to 14.2:1 in 2024-25.
On allk12, people connected to R. Dean Kilby Elementary can post about pickup and drop-off, after-school programs, and teacher feedback. Current and former families are welcome to add their experience.
Prince William County at a glance
View full county profilePopulation
488,880
Census ACS
Median income
$131,402
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
102
89,591 students
Quick facts
Related schools
Other schools in Prince William County Public Schools
- Charles J. Colgan Sr. HighHigh · 2,956 students
- Woodbridge HighHigh · 2,898 students
- Osbourn Park HighHigh · 2,661 students
- Gainesville HighHigh · 2,648 students
- Gar-Field HighHigh · 2,524 students
- Forest Park HighHigh · 2,343 students
Other schools in Woodbridge
- Woodbridge HighHigh · 2,898 students
- Gar-Field HighHigh · 2,524 students
- Forest Park HighHigh · 2,343 students
- Freedom HighHigh · 2,303 students
- C.D. Hylton HighHigh · 1,859 students
- Lake Ridge MiddleMiddle · 1,487 students
Nearby schools
- Fred M. Lynn Middle0.5 mi · 973
- Elizabeth Vaughan Elementary0.7 mi · 601
- Woodbridge Middle0.8 mi · 873
- Occoquan Elementary1.1 mi · 571
- Marumsco Hills Elementary1.1 mi · 564
- Belmont Elementary1.6 mi · 492
Frequently asked questions
About R. Dean Kilby ElementaryHow large is R. Dean Kilby Elementary?
R. Dean Kilby Elementary enrolls approximately 613 students in grades PK-05.
What age range does R. Dean Kilby Elementary serve?
R. Dean Kilby Elementary serves students from grade PK through grade 05.
What is the student-teacher ratio at R. Dean Kilby Elementary?
The student-to-teacher ratio at R. Dean Kilby Elementary is approximately 14.2:1 (43 FTE teachers).
How diverse is R. Dean Kilby Elementary?
R. Dean Kilby Elementary reports a student body of 3% White, 68% Hispanic, 18% Black, 8% Asian, 3% Two or more.
Is R. Dean Kilby Elementary public or private?
R. Dean Kilby Elementary is a public K-12 school, overseen by Prince William County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.