R. Dean Kilby Elementary

R. Dean Kilby Elementary operates as a mid-tier elementary-level community in Woodbridge, Virginia, part of Prince William County Public Schools. Current enrollment sits at 613 students spanning grades pre-K through 5. That puts it 23% above the typical public school in Virginia, which averages around 499 students.

R. Dean Kilby Elementary is one of 95 schools operated by Prince William County Public Schools, a district that enrolls 90,242 students overall.

For racial and ethnic makeup, R. Dean Kilby Elementary reports that 68% of the student body identifies as Hispanic. Beyond that, the school records 18% Black, 8% Asian, 3% White, 3% multiracial. The wider county runs roughly 26% Hispanic, putting the school's mix noticeably more Hispanic than the area baseline.

Looking at school resources, On paper, R. Dean Kilby Elementary has 43 full-time-equivalent teachers, translating to a class-load average of around 14.2:1. The state averages about 13.8:1, putting this campus right in line with peers. Around 72% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. That share is higher than Prince William County's rate of about 55%.

With demographic context factored in, R. Dean Kilby Elementary sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 68.6%; this one delivers 54.5%.

In the surrounding community, the surrounding county (Prince William County) shows that median household income runs about $131,402, roughly 45% of adults have completed at least a four-year degree, and the poverty rate sits near 5%. In all, Prince William County runs 102 public schools (combined enrollment of about 89,591 students), of which R. Dean Kilby Elementary is one.

Fred M. Lynn Middle is the nearest neighboring public school, about 0.5 miles from this campus. Counting just inside five miles, 8 other public schools cluster around R. Dean Kilby Elementary. Ranking that nearby cluster on reported proficiency puts R. Dean Kilby Elementary at 7th of 9; the average score across the group is 65.7%.

The campus sits in a suburban setting.

Trend over the last 7 years. Over the past 7-year window, the student count edged down 22%: 786 students in 2018 compared to 613 in 2025. Over the same period, the Hispanic share expanded from 58% to 68%.

Within the allk12 community for this school, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.