Mill Run Elementary

Mill Run Elementary is a primary school of mid-tier scale in Ashburn, Virginia, part of Loudoun County Public Schools, hosting 636 students in grades pre-K through 5. By comparison, Virginia's public schools average about 499 students each, so Mill Run Elementary sits 27% bigger than that benchmark.

Loudoun County Public Schools comprises 98 schools with combined enrollment of 81,486 students; Mill Run Elementary is among them.

Demographically, Mill Run Elementary records that the largest single group is White at 41%, but no single group is in the majority. The remainder consists of 38% Asian, 7% Black, 7% multiracial, 6% Hispanic. The wider county runs roughly 53% White, putting the school's mix noticeably less White than the area baseline.

Looking at school resources, Mill Run Elementary reports 47 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.4:1. The state averages about 13.8:1, putting this campus right in line with peers. Roughly 11% of students at Mill Run Elementary qualify for free or reduced-price lunch, often used as a Title I proxy. Set against Loudoun County (around 28%), the school's rate is somewhat below typical.

With demographic context factored in, Mill Run Elementary sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 85.2%; this one delivers 92.4%.

Across the wider county, community-level numbers for Loudoun County indicate median household income runs about $181,765, 65% of adults hold a bachelor's degree or higher, and roughly 3% of residents live below the federal poverty line. Mill Run Elementary is one of 103 public schools in Loudoun County (combined enrollment of about 81,486 students).

Nearest neighbor: Eagle Ridge Middle, around 0.2 miles off. Counting just inside five miles, 8 other public schools cluster around Mill Run Elementary. Ranking that nearby cluster on reported proficiency puts Mill Run Elementary at 1st of 9; the average score across the group is 84.3%.

Mill Run Elementary operates from a bedroom-community location.

Over the past 7-year window. Mill Run Elementary's enrollment has declined 30% since 2018, when it stood at 910 (now 636). Over the same period, the White share fell from 51% to 41%. Class-load math has fell: from 19.2:1 in 2018 to 13.4:1 in 2025.

Inside the community feed, the feed for Mill Run Elementary typically covers pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.