Serving 604 students in grades Prekindergarten-5, R. Dean Kilby Elementary School ranks in the bottom 50% of all schools in Virginia for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 59% (which is lower than the Virginia state average of 68%). The percentage of students achieving proficiency in reading/language arts is 42% (which is lower than the Virginia state average of 69%).
The student:teacher ratio of 12:1 is lower than the Virginia state level of 14:1.
Minority enrollment is 95% of the student body (majority Hispanic), which is higher than the Virginia state average of 56% (majority Black and Hispanic).
Quick Stats (2025)
- School Type: Magnet School
- Grades: Prekindergarten-5
- Enrollment: 604 students
- Student:Teacher Ratio: 12:1
- Minority Enrollment: 95%
- Overall Testing Rank: Bottom 50% in VA
- Math Proficiency: 59% (Btm 50%)
- Reading Proficiency: 42% (Btm 50%)
- Science Proficiency: 15-19% (Btm 50%)
- Source: National Center for Education Statistics (NCES), VA Dept. of Education
School Overview
R. Dean Kilby Elementary School's student population of 604 students has declined by 25% over five school years.
The teacher population of 49 teachers has declined by 10% over five school years.
School Type
Grades Offered
Grades Prekindergarten-5
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
604 students
Gender %
Total Classroom Teachers
49 teachers
School Rankings
R. Dean Kilby Elementary School ranks within the bottom 50% of all 1,792 schools in Virginia (based off of combined math and reading proficiency testing data).
The diversity score of R. Dean Kilby Elementary School is 0.54, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1621 out of 1792 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
(22-23)59%
68%
Reading/Language Arts Test Scores (% Proficient)
(20-21)42%
69%
Science Test Scores (% Proficient)
(20-21)15-19%
59%
Student : Teacher Ratio
12:1
14:1
American Indian
n/a
n/a
Asian
9%
8%
Hispanic
65%
19%
Black
19%
22%
White
5%
44%
Hawaiian
n/a
n/a
Two or more races
2%
7%
All Ethnic Groups
Eligible for Free Lunch
100%
55%
Eligible for Reduced Lunch (21-22)
13%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), VA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is R. Dean Kilby Elementary School's ranking?
R. Dean Kilby Elementary School is ranked #1621 out of 1,792 schools, which ranks it among the bottom 50% of public schools in Virginia.
What percent of students have achieved state testing proficiency in math and reading?
59% of students have achieved math proficiency (compared to the 68% VA state average), while 42% of students have achieved reading proficiency (compared to the 69% VA state average).
How many students attend R. Dean Kilby Elementary School?
604 students attend R. Dean Kilby Elementary School.
What is the racial composition of the student body?
65% of R. Dean Kilby Elementary School students are Hispanic, 19% of students are Black, 9% of students are Asian, 5% of students are White, and 2% of students are Two or more races.
What is the student:teacher ratio of R. Dean Kilby Elementary School?
R. Dean Kilby Elementary School has a student ration of 12:1, which is lower than the Virginia state average of 14:1.
What grades does R. Dean Kilby Elementary School offer ?
R. Dean Kilby Elementary School offers enrollment in grades Prekindergarten-5 (Supplemental Virtual).
What school district is R. Dean Kilby Elementary School part of?
R. Dean Kilby Elementary School is part of Prince William County School District.
School Reviews
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