Excellent
#177 of 1,850 schools in VA
Top 10% in state
Mill Run Elementary
Elementary School · Loudoun County Public Schools
42940 Ridgeway Drive, Ashburn, VA 20148
Enrollment
648
Student-Teacher
13.5:1
Score
8.3
Grades
Pre-K – 5th
Enrollment
648
Student-Teacher
13.5:1
Score
8.3
Grades
Pre-K – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Ashburn
#10 of 25
public schools
Virginia elementary schools
#90 of 1,147
In district
#26 of 96
Loudoun County Public Schools
School environment
9.2 / 10
Exceptional
About Mill Run Elementary
Mill Run Elementary is a public elementary school in Ashburn, VA, part of the Loudoun County Public Schools. The school serves approximately 648 students in grades Pre-K – 5th with a student-teacher ratio of 13.5:1. It holds a MySchoolScout rating of 8.3/10, placing it in the 90.5th percentile among VA schools — an above average rating overall.
Students demonstrate 93% proficiency in math, 19 points above the state average and 91% in reading/language arts, 18 points above the state average. The school scores particularly well in school environment (9.2/10). Located in a neighborhood with a median household income of $233,502, where 77% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
Score Breakdown
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Mill Run Elementary — Students at Mill Run Elementary score 92% proficient, which is above what's typical for similar communities (expected: 90%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
6.8%
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: 7.9/10.
How Mill Run Elementary Compares
See how Mill Run Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 96% (2019) to 93% (2025). Reading/ELA proficiency has remained stable from 91% (2019) to 91% (2025).
Location
42940 Ridgeway Drive, Ashburn, VA 20148
Nearby Alternatives
Families considering Mill Run Elementary may also want to explore other elementary schools in the area. Waxpool Elementary (rated 8.8/10, 0.8 miles away), which scores slightly higher. Another option is Hillside Elementary (rated 8.4/10, 0.6 miles away), with a very similar rating. Additionally, GUIDEPOST MONTESORI BROADLANDS (rated 7.8/10, 0.4 miles away), with a comparable rating. For more schools in Ashburn, see our Ashburn schools guide .
Nearby Schools
20 within 2.6 mi| School | Distance | Rating |
|---|---|---|
| Eagle Ridge Middle Ashburn | 0.2 mi | 8.4 |
| OPEN ARMS CHRISTIAN CHILD DEVELOPMENT CENTER Ashburn | 0.4 mi | — |
| GUIDEPOST MONTESORI BROADLANDS Ashburn | 0.4 mi | 7.8 |
| GUIDEPOST MONTESSORI AT BROADLANDS Ashburn | 0.4 mi | 7.2 |
| GUIDEPOST MONTESSORI AT BROADLANDS Broadlands | 0.4 mi | 7.1 |
| Hillside Elementary Ashburn | 0.6 mi | 8.4 |
| Waxpool Elementary Ashburn | 0.8 mi | 8.8 |
| Moorefield Station Elementary Ashburn | 1.0 mi | 6.0 |
| PRIMROSE SCHOOL OF ASHBURN AT BROADLANDS Broadlands | 1.1 mi | — |
| BEAN TREE LEARNING Ashburn | 1.3 mi | — |
| NEXTIDE ACADEMY Ashburn | 1.4 mi | — |
| Briar Woods High Ashburn | 1.6 mi | 9.0 |
| Broad Run High Ashburn | 1.5 mi | 7.6 |
| Sanders Corner Elementary Ashburn | 1.8 mi | 7.0 |
| Legacy Elementary Ashburn | 2.3 mi | 7.7 |
| GOLDEN POND SCHOOL Ashburn | 2.0 mi | — |
| Rosa Lee Carter Elementary Ashburn | 2.5 mi | 7.6 |
| Cedar Lane Elementary Ashburn | 2.3 mi | 7.7 |
| Rock Ridge High Ashburn | 2.5 mi | 8.6 |
| Stone Bridge High Ashburn | 2.6 mi | 8.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 20148 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$233,502
Median Home Value
$843,800
Median Rent
$2,647/mo
Population
63,615
College Educated
77%
Homeownership
79.8%
Avg Commute
33.5 min
Poverty Rate
2.1%
Median Age
37.7
Community Profile
The community surrounding Mill Run Elementary has a median household income of $233,502. It is a well-educated community where 77% of adults hold a bachelor's degree or higher. The median home value in the area is $843,800, with a median rent of $2,647/month. The local poverty rate of 2.1% is relatively low. The average commute for residents is 34 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Ashlawn Elementary Arlington, VA | 8.3 |
| Belmont Elementary Woodbridge, VA | 8.3 |
| Flint Hill Elementary Vienna, VA | 8.3 |
| Laurel Hill Elementary Lorton, VA | 8.3 |
| McNair Upper Elementary Herndon, VA | 8.3 |
| Neabsco Elementary Woodbridge, VA | 8.3 |
Frequently Asked Questions
Common questions about Mill Run Elementary
What grades does Mill Run Elementary serve?
Mill Run Elementary serves students in grades Pre-K through 5th.
How many students attend Mill Run Elementary?
Mill Run Elementary has an enrollment of approximately 648 students.
What is the student-teacher ratio at Mill Run Elementary?
The student-teacher ratio at Mill Run Elementary is 13.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mill Run Elementary rank in VA?
Mill Run Elementary is ranked #177 out of 1,850 schools in VA.
What is Mill Run Elementary's MySchoolScout rating?
Mill Run Elementary has a composite rating of 8.3 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 Mill Run Elementary?
Based on the most recent state assessment data, Mill Run Elementary has 92.7% math proficiency and 90.5% reading/ELA proficiency.
Is Mill Run Elementary a charter school?
No, Mill Run Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Mill Run Elementary a Title I school?
No, Mill Run Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mill Run Elementary?
6.8% of students at Mill Run 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.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 5th
- Enrollment
- 648
- Student-Teacher Ratio
- 13.5:1
- Teachers (FTE)
- 48
- Free/Reduced Lunch
- 6.8%
- Type
- regular
- Setting
- Large Suburb
- County
- Loudoun County
- Phone
- (571) 252-2160
- Data Year
- 2023–2024
Resources & Links
District
Loudoun County Public Schools- District Enrollment
- 81,636
- Schools in District
- 100
- Per-Pupil Spending
- $19,934
- District Rank
- #26 of 96
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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