Serving 636 students in grades Prekindergarten-5, Mill Run Elementary School ranks in the top 5% of all schools in Virginia for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 94% (which is higher than the Virginia state average of 68%). The percentage of students achieving proficiency in reading/language arts is 86% (which is higher than the Virginia state average of 69%).
The student-teacher ratio of 14:1 is equal to the Virginia state level of 14:1.
Minority enrollment is 59% of the student body (majority Asian), which is higher than the Virginia state average of 56% (majority Black and Hispanic).
Quick Facts (2026)
- Grades: Prekindergarten-5
- Enrollment: 636 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 59%
- Overall Testing Rank: Top 5% in VA
- Math Proficiency: 94% (Top 5%)
- Reading Proficiency: 86% (Top 20%)
- Science Proficiency: 90-94% (Top 1%)
- Source: National Center for Education Statistics (NCES), VA Dept. of Education
Top Rankings
Mill Run Elementary School ranks among the top 20% of public schools in Virginia for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Mill Run Elementary School's student population of 636 students has declined by 8% over five school years.
The teacher population of 47 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-5
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
636 students
Total Classroom Teachers
47 teachers
Last Day of School
Tue. Jun 9, 2026
School Motto
Mill Run Elementary School’s mission is to embrace diversity and individuality by providing a positive, challenging, learning environment.
School Rankings
Mill Run Elementary School ranks within the top 5% of all 1,773 schools in Virginia (based off of combined math and reading proficiency testing data).
The diversity score of Mill Run Elementary School is 0.68, 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
#70 out of 1773 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
94%
68%
Reading/Language Arts Test Scores (% Proficient)
(20-21)86%
69%
Science Test Scores (% Proficient)
(20-21)90-94%
59%
Student-Teacher Ratio
14:1
14:1
American Indian
1%
n/a
Asian
38%
8%
Hispanic
6%
20%
Black
7%
21%
White
41%
44%
Hawaiian
n/a
n/a
Two or more races
7%
7%
All Ethnic Groups
Eligible for Free Lunch
9%
57%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), VA Dept. of Education
Frequently Asked Questions
What is Mill Run Elementary School's ranking?
Mill Run Elementary School is ranked #70 out of 1,773 schools, which ranks it among the top 5% of public schools in Virginia.
What schools are Mill Run Elementary School often compared to?
Mill Run Elementary Schoolis often viewed alongside schools like Madison's Trust Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
94% of students have achieved math proficiency (compared to the 68% VA state average), while 86% of students have achieved reading proficiency (compared to the 69% VA state average).
How many students attend Mill Run Elementary School?
636 students attend Mill Run Elementary School.
What is the racial composition of the student body?
41% of Mill Run Elementary School students are White, 38% of students are Asian, 7% of students are Black, 7% of students are Two or more races, 6% of students are Hispanic, and 1% of students are American Indian.
What is the student-teacher ratio of Mill Run Elementary School?
Mill Run Elementary School has a student ration of 14:1, which is equal to the Virginia state average of 14:1.
What grades does Mill Run Elementary School offer ?
Mill Run Elementary School offers enrollment in grades Prekindergarten-5 (Supplemental Virtual).
What school district is Mill Run Elementary School part of?
Mill Run Elementary School is part of Loudoun County School District.
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