Mill Run Elementary

Summary:

Mill Run Elementary is a high-performing public elementary school in Ashburn, Virginia, serving 677 students in grades PK-5 and part of the Loudoun County Public Schools district, which is ranked 24th out of 130 school districts in Virginia.

Mill Run Elementary consistently ranks among the top 5% of Virginia elementary schools, with exceptional academic achievement across subjects and grade levels. For example, in the 2023-2024 school year, over 92% of 3rd, 4th, and 5th graders were proficient or better in Mathematics, significantly outperforming the Loudoun County and Virginia state averages. The school's diverse student population, with a racial makeup of 44.61% White, 36.78% Asian, and other ethnicities, provides a rich learning environment. Mill Run also excels in supporting the academic success of various student subgroups, including female students, male students, Asian students, and students from low socioeconomic backgrounds.

When compared to nearby schools within the Loudoun County Public Schools district, such as Madison's Trust Elementary and Waxpool Elementary, which are also highly ranked, Mill Run Elementary maintains a slight edge in overall statewide rankings, demonstrating its consistent delivery of an exceptional educational experience for its students.


Detail:

Public PK, KG-5

 42940 Ridgeway Drive
       Ashburn, VA  20148


(571) 252-2160

District: Loudoun County Public Schools

SchoolDigger Rank:
28th of 1,114 Virginia Elementary Schools

Per Pupil Expenditures:  $14,368 Help


Students who attend Mill Run Elementary usually attend:

Middle:    Eagle Ridge Middle
High:    Briar Woods High

Student/teacher ratio:  13.3 Help
Number of students:  648

Racial breakdown:

White:
41.7%
Asian:
38.9%
Two or more races:
6.5%
more

Free/discounted lunch recipients:  6.8% Help


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Performance Trends
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Compare Details Mill Run Elementary ranks better than 97.5% of elementary schools in Virginia. It also ranks 3rd among 59 ranked elementary schools in the Loudoun County Public Schools District. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 91.66. (See more...)
Help
Chronic absenteeism in a school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.
Student Body
Help
Compare Details Racial makeup is: White (41.7%), Asian (38.9%), two or more races (6.5%). (See more...)
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Compare Details 6.8% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Mill Run Elementary is 13.3. 41 elementary schools in the Loudoun County Public Schools District have better student/teacher ratios. (See more...)
Help
Compare Mill Run Elementary employs 48.7 full-time teachers.
Finance
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Compare Details The average total spent per student at Mill Run Elementary is $14,368. 44 elementary schools in the Loudoun County Public Schools District spend more per student.
Schooldigger 2024 Rankings:

Mill Run Elementary:

SchoolDigger ranks Mill Run Elementary 28th of 1114 Virginia public elementary schools. (See Mill Run Elementary in the ranking list.)

Elementary School Test Score Ratings by Student Subgroup:


Low Socio Economic Status students:
Female students:
Disabled students:
Male students:
Asian students:
White students:


Loudoun County Public Schools:

SchoolDigger ranks Loudoun County Public Schools 24th of 130 Virginia school districts. (See district ranking list.)

Average Parent Rating:

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Rank History for Mill Run Elementary

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Compare

Rank History for all students at Mill Run Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2005 71.45 246th 1062 76.8%
2006 70.78 261st 1071 75.6%
2007 69.21 293rd 1083 72.9%
2008 81.50 78th 1081 92.8%
2009 71.27 261st 1082 75.9%
2010 78.75 113th 1113 89.8%
2011 77.83 160th 1117 85.7%
2012 78.87 152nd 1117 86.4%
2013 81.19 127th 1120 88.7%
2014 87.64 52nd 1110 95.3%
2015 85.49 64th 1100 94.2%
2016 82.54 112th 1096 89.8%
2017 86.62 67th 1099 93.9%
2018 85.66 81st 1097 92.6%
2019 87.72 44th 1105 96.0%
2021 92.26 39th 1103 96.5%
2022 90.58 45th 1109 95.9%
2023 91.59 29th 1114 97.4%
2024 91.66 28th 1114 97.5%
See the entire list of Virginia Elementary School Rankings!

Rank History for Multi-racial students at Mill Run Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 85.62 24th 245 90.2%
See the entire list of Best Virginia Elementary Schools for Multi-racial Students!

Rank History for Low Socio Economic Status students at Mill Run Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2024 92.80 16th 1036 98.5%
See the entire list of Best Virginia Elementary Schools for Low Socio Economic Status Students!

Rank History for Female students at Mill Run Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 91.61 22nd 1100 98.0%
2024 89.85 31st 1098 97.2%
See the entire list of Best Virginia Elementary Schools for Female Students!

Rank History for Disabled students at Mill Run Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 61.29 124th 324 61.7%
2024 63.64 130th 355 63.4%
See the entire list of Best Virginia Elementary Schools for Disabled Students!

Rank History for Male students at Mill Run Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 88.69 57th 1093 94.8%
2024 91.15 28th 1101 97.5%
See the entire list of Best Virginia Elementary Schools for Male Students!

Rank History for Asian students at Mill Run Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 81.96 14th 230 93.9%
2024 82.11 11th 238 95.4%
See the entire list of Best Virginia Elementary Schools for Asian Students!

Rank History for White students at Mill Run Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 80.28 109th 984 88.9%
2024 83.35 75th 979 92.3%
See the entire list of Best Virginia Elementary Schools for White Students!

Data source: test scores: Virginia Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Mill Run Elementary Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
Subgroup: 





Data source: Virginia Department of Education

Review counts

All ratings (Avg rating: 5)
100%

0%

0%

0%

0%

  

Reviews:
by a parent
Thursday, September 22, 2011

Open Quote Excellent Principal and well managed Close Quote



Enrollment information for Mill Run Elementary

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Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2001 301 28 46 15 2 n/a n/a 0 392
2002 520 59 137 38 0 n/a n/a 0 754
2003 520 59 137 38 0 n/a n/a 0 754
2004 626 55 225 60 1 n/a n/a 3 970
2005 724 61 242 63 1 n/a n/a 14 1105
2006 607 56 179 46 2 n/a n/a 25 915
2007 620 56 207 55 2 n/a n/a 27 967
2008 615 60 236 64 1 n/a n/a 30 1006
2009 539 58 169 68 2 n/a n/a 35 871
2010 506 38 166 51 0 n/a n/a 36 797
2011 525 41 206 65 4 0 52 0 893
2012 578 43 244 64 4 0 45 0 978
2013 595 43 269 54 4 0 50 0 1015
2014 557 29 270 37 1 1 53 0 948
2015 519 27 277 27 0 1 55 0 906
2016 523 26 250 25 0 3 48 0 875
2017 495 34 326 31 1 1 55 0 943
2018 467 30 331 33 2 2 45 0 910
2019 444 34 332 43 5 3 41 0 902
2020 376 34 258 50 5 1 36 0 760
2021 313 26 258 50 6 1 43 0 697
2022 305 28 250 56 9 0 46 0 694
2023 302 25 249 49 9 0 43 0 677
2024 270 36 252 39 9 0 42 0 648

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Mill Run Elementary

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2001 392 29.0 13.5 3.1
2002 754 12.0 62.8 5.4
2003 754 12.0 62.8 5.4
2004 970 51.0 19.0 3.6
2005 1105 53.0 20.8 2.4
2006 915 53.0 17.3 3.5
2007 967 57.6 16.8 4.4
2008 1006 49.3 20.4 3.6
2009 871 44.8 19.4 6.6
2010 797 42.2 18.8 4.1
2011 893 41.8 21.3 4.4
2012 978 42.8 22.8 4.9
2013 1015 42.3 23.9 4
2014 948 39.8 23.8 3.2
2015 906 42.0 21.5 2.4
2016 875 44.0 19.8 2.1
2017 943 44.7 21.0 2.9
2018 910 47.5 19.1 3.2
2019 902 50.1 17.9 3.3
2020 760 50.0 15.2 2.8
2021 697 47.2 14.7 n/a
2022 694 45.7 15.1 3
2023 677 47.0 14.4 7.4
2024 648 48.7 13.3 6.8

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Mill Run Elementary

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2001 392 29.0 13.5 3.1
2002 754 12.0 62.8 5.4
2003 754 12.0 62.8 5.4
2004 970 51.0 19.0 3.6
2005 1105 53.0 20.8 2.4
2006 915 53.0 17.3 3.5
2007 967 57.6 16.8 4.4
2008 1006 49.3 20.4 3.6
2009 871 44.8 19.4 6.6
2010 797 42.2 18.8 4.1
2011 893 41.8 21.3 4.4
2012 978 42.8 22.8 4.9
2013 1015 42.3 23.9 4
2014 948 39.8 23.8 3.2
2015 906 42.0 21.5 2.4
2016 875 44.0 19.8 2.1
2017 943 44.7 21.0 2.9
2018 910 47.5 19.1 3.2
2019 902 50.1 17.9 3.3
2020 760 50.0 15.2 2.8
2021 697 47.2 14.7 n/a
2022 694 45.7 15.1 3
2023 677 47.0 14.4 7.4
2024 648 48.7 13.3 6.8

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.
Finances

Per Pupil Expenditures for Mill Run Elementary

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YearExpenditures from Federal FundsExpenditures from State and Local FundsTotal Expenditures Per Pupil (All Funds)
2019 $368 (3.4%) $10,431 (96.6%) $10,800
2020 $179 (1.3%) $13,331 (98.7%) $13,510
2021 $412 (2.9%) $13,956 (97.1%) $14,368

Data source: Virginia Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Mill Run Elementary

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 44th of 1105 Elementary schoolsRanks 29th of 1114 Elementary schools
 1.4%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
3rd Grade Mathematics (Mill Run Elementary)9492.1
 1.9%
   3rd Grade Mathematics (Loudoun County Public Schools)8777.1
 9.9%
   3rd Grade Mathematics (Virginia)8269.1
 12.9%
3rd Grade English Reading (Mill Run Elementary)8887.7
 0.3%
   3rd Grade English Reading (Loudoun County Public Schools)7673.8
 2.2%
   3rd Grade English Reading (Virginia)7166.1
 4.9%
4th Grade Mathematics (Mill Run Elementary)9692.3
 3.7%
   4th Grade Mathematics (Loudoun County Public Schools)8879.1
 8.9%
   4th Grade Mathematics (Virginia)8369.7
 13.3%
4th Grade English Reading (Mill Run Elementary)9191.5
 0.4%
   4th Grade English Reading (Loudoun County Public Schools)8180.9
 0.1%
   4th Grade English Reading (Virginia)7572.7
 2.3%
5th Grade Mathematics (Mill Run Elementary)9696.1
 0.1%
   5th Grade Mathematics (Loudoun County Public Schools)8878.6
 9.4%
   5th Grade Mathematics (Virginia)8167
 14%
5th Grade Science (Mill Run Elementary)9590.6
 4.4%
   5th Grade Science (Loudoun County Public Schools)8573.3
 11.7%
   5th Grade Science (Virginia)7966
 13%
5th Grade English Reading (Mill Run Elementary)9289.8
 2.2%
   5th Grade English Reading (Loudoun County Public Schools)8479.6
 4.4%
   5th Grade English Reading (Virginia)7871.4
 6.6%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students902677
 24.9%
African American3425
 26.5%
American Indian59
 80%
Asian332249
 25%
Hispanic4349
 14%
Pacific Islander30
 100%
White444302
 32%
Two or More Races4143
 4.9%
% Free/Discounted Lunch Recipients3.3%7.4%
 4.1%


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Frequently Asked Questions about Mill Run Elementary

Students at Mill Run Elementary are 42% White, 39% Asian, 6% Two or more races, 6% Hispanic, 6% African American, 1% American Indian.

In the 2023-24 school year, 648 students attended Mill Run Elementary.

Yes! Mill Run Elementary is one of the best elementary schools in the state. It ranks 28th of 1114 Virginia elementary schools.

Students who attend Mill Run Elementary usually go on to attend:

Middle : Eagle Ridge Middle
High : Briar Woods High


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Virginia Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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