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Mill Run Elementary

Public Grades PK, KG-5

28^th

SchoolDigger Rank ?

of 1,110 Virginia Elementary Schools

Better than 97% of Virginia elementary schools

Summary

Mill Run Elementary is a top-performing public elementary school in Ashburn, Virginia, serving 648 students in grades PK-5 and part of the Loudoun County Public Schools district.

Mill Run Elementary consistently ranks among the top 50 elementary schools in Virginia, maintaining a 5-star rating from SchoolDigger for most of the past decade. The school excels academically, with 92.19% of 3rd-grade students proficient or better in SOL/Mathematics, compared to 80.68% for the Loudoun County district and 72.89% for the state of Virginia. Mill Run also supports the academic achievement of diverse student subgroups, ranking among the top 30-60 elementary schools in the state for female, male, Asian, and low socioeconomic status students.

When compared to nearby schools, Mill Run Elementary stands out. For example, Madison's Trust Elementary has lower proficiency rates in several subject areas, and Dominion Trail Elementary, which is ranked much lower, has significantly lower proficiency rates across the board. Mill Run's exceptional performance in mathematics, with over 90% of students proficient or better, is particularly noteworthy.

636

Students ?

13.4

Student/teacher ratio ?

$17,349

Per pupil spending ?

10.5%

Free/discounted lunch ?

42940 Ridgeway Drive
Ashburn, VA 20148

(571) 252-2160

District: Loudoun County Public Schools

Students who attend Mill Run Elementary usually attend:

Middle:	Eagle Ridge Middle
High:	Briar Woods High

Racial breakdown:

White:

40.7%

Asian:

37.9%

African American:

7.1%

See top rated Virginia elementary schools

Compare Mill Run Elementary to nearby elementary schools!

At a glance

▬ Ranking trend: Holding steady — 94th percentile in 2015 → 97th in 2025

Strengths

✓Test scores above the Virginia average (93% vs 71% meeting standards)

✓Ranks in the top 3% of Virginia elementary schools

✓Among the top-ranked schools in Loudoun County Public Schools

Worth a look

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2024-2025) ?

This school93%

District avg80%

Virginia avg71%

28^th of 1,110

Virginia public elementary schools ?

Top 3%▲ up 3 pts since 2015

From top 6% (2015) to top 3% (2025)

See the entire ranking list of Virginia Elementary Schools →

★★★★★

SchoolDigger rating ?

3^rd of 61Elementary Schools in the Loudoun County Public Schools

19^th of 129Loudoun County Public Schools among Virginia districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Virginia percentile	Rating
2025	91.5	28 of 1110	97.5%	★★★★★
2024	91.7	28 of 1114	97.5%	★★★★★
2023	91.6	29 of 1114	97.4%	★★★★★
2022	90.6	45 of 1109	95.9%	★★★★★
2021	92.3	39 of 1103	96.5%	★★★★★
2019	87.7	44 of 1105	96.0%	★★★★★
2018	85.7	81 of 1097	92.6%	★★★★★
2017	86.6	67 of 1099	93.9%	★★★★★
2016	82.5	112 of 1096	89.8%	★★★★☆
2015	85.5	64 of 1100	94.2%	★★★★★
2014	87.6	52 of 1110	95.3%	★★★★★
2013	81.2	127 of 1120	88.7%	★★★★☆
2012	78.9	152 of 1117	86.4%	★★★★☆
2011	77.8	160 of 1117	85.7%	★★★★☆
2010	78.7	113 of 1113	89.8%	★★★★☆
2009	71.3	261 of 1082	75.9%	★★★★☆
2008	81.5	78 of 1081	92.8%	★★★★★
2007	69.2	293 of 1083	72.9%	★★★★☆
2006	70.8	261 of 1071	75.6%	★★★★☆
2005	71.4	246 of 1062	76.8%	★★★★☆

Asian

Year	Avg score	Statewide rank	Virginia percentile	Rating
2025	82.0	21 of 249	91.6%	★★★★★
2024	82.1	11 of 238	95.4%	★★★★★
2023	82.0	14 of 230	93.9%	★★★★★

Disabled

Year	Avg score	Statewide rank	Virginia percentile	Rating
2024	63.6	130 of 355	63.4%	★★★☆☆
2023	61.3	124 of 324	61.7%	★★★☆☆

Female

Year	Avg score	Statewide rank	Virginia percentile	Rating
2025	89.5	41 of 1096	96.3%	★★★★★
2024	89.9	31 of 1098	97.2%	★★★★★
2023	91.6	22 of 1100	98.0%	★★★★★

Hispanic

Year	Avg score	Statewide rank	Virginia percentile	Rating
2025	84.6	60 of 606	90.1%	★★★★★

Low Socio Economic Status

Year	Avg score	Statewide rank	Virginia percentile	Rating
2025	91.6	28 of 1046	97.3%	★★★★★
2024	92.8	16 of 1036	98.5%	★★★★★

Male

Year	Avg score	Statewide rank	Virginia percentile	Rating
2025	90.9	27 of 1093	97.5%	★★★★★
2024	91.2	28 of 1101	97.5%	★★★★★
2023	88.7	57 of 1093	94.8%	★★★★★

Multi-racial

Year	Avg score	Statewide rank	Virginia percentile	Rating
2023	85.6	24 of 245	90.2%	★★★★★

White

Year	Avg score	Statewide rank	Virginia percentile	Rating
2025	86.6	41 of 973	95.8%	★★★★★
2024	83.3	75 of 979	92.3%	★★★★★
2023	80.3	109 of 984	88.9%	★★★★☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Male (2025)98th percentile~ school

Low Socio Economic Status (2025)97th percentile~ school

Female (2025)96th percentile~ school

White (2025)96th percentile~ school

Asian (2025)92nd percentile-6 vs school

Multi-racial (2023)90th percentile-7 vs school

Hispanic (2025)90th percentile-7 vs school

Disabled (2024)63rd percentile-34 vs school

By subject vs Virginia (2024-2025) ?

Science94%+25 vs state

Mathematics94%+22 vs state

English Reading92%+21 vs state

VA Studies90%+22 vs state

5.0

1 rating · 1 written review

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What people are saying

by a parent
Thursday, September 22, 2011

Excellent Principal and well managed Close Quote

Schools Near Mill Run Elementary

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				SOL Mathematics (2025)			SOL Science (2025)	SOL English Reading (2025)			SOL VA Studies (2025)	Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	SOL Mathematics 3rd Grade	SOL Mathematics 4th Grade	SOL Mathematics 5th Grade	SOL Science 5th Grade	SOL English Reading 3rd Grade	SOL English Reading 4th Grade	SOL English Reading 5th Grade	SOL VA Studies 4th Grade	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Mill Run Elementary	Public	PK, KG-5	42940 Ridgeway Drive	Ashburn	20148	Loudoun County	Loudoun County Public Schools	No	No	No	No	(571) 252-2160	636	47	13.4	10.5%	259 (40.7%)	45 (7.1%)	40 (6.3%)	241 (37.9%)	6 (0.9%)	0 (0.0%)	45 (7.1%)	91.5	28^th of 1110 public elementary schools	97.5%		91.7	28^th of 1114 public elementary schools	97.5%		92.2	94.4	95.8	94.1	89.1	92.5	93.3	90.5	$17,349	$288	$17,061
Hillside Elementary	Public	PK, KG-5	43000 Ellzey Dr	Ashburn	20148	Loudoun County	Loudoun County Public Schools	No	No	No	No	(571) 252-2170	656	47	13.8	16.6%	252 (38.4%)	50 (7.6%)	63 (9.6%)	241 (36.7%)	4 (0.6%)	0 (0.0%)	46 (7.0%)	84.6	133^rd of 1110 public elementary schools	88.0%		85.3	116^th of 1114 public elementary schools	89.6%	17	88.9	86.6	91.9	86.5	82.5	86.6	90.1	83.0	$15,421	$223	$15,198
Waxpool Elementary	Public	PK, KG-5	42560 Black Angus Drive	Ashburn	20148	Loudoun County	Loudoun County Public Schools	No	No	No	No	(571) 367-4220	678	47	14.3	16.7%	191 (28.2%)	53 (7.8%)	45 (6.6%)	328 (48.4%)	6 (0.9%)	4 (0.6%)	51 (7.5%)	89.3	62^nd of 1110 public elementary schools	94.4%		90	47^th of 1114 public elementary schools	95.8%	15	93.7	92.7	90.8	87.9	87.8	92.6	89.4	89.4	$18,247	$400	$17,847
Moorefield Station Elementary	Public	PK, KG-5	22325 Mooreview Parkway	Ashburn	20148	Loudoun County	Loudoun County Public Schools	No	No	No	No	(571) 252-2380	963	74	12.9	23.9%	241 (25.0%)	114 (11.8%)	90 (9.3%)	429 (44.5%)	13 (1.3%)	5 (0.5%)	71 (7.4%)	76.1	274^th of 1110 public elementary schools	75.3%		77.5	248^th of 1114 public elementary schools	77.7%	26	80.0	80.9	85.0	83.1	75.5	81.3	84.1	89.5	$15,141	$298	$14,843
Sanders Corner Elementary	Public	PK, KG-5	43100 Ashburn Farm Pkwy	Ashburn	20147	Loudoun County	Loudoun County Public Schools	No	No	No	No	(571) 252-2250	503	40	12.7	26.0%	256 (50.9%)	29 (5.8%)	104 (20.7%)	74 (14.7%)	2 (0.4%)	1 (0.2%)	37 (7.4%)	78.5	241^st of 1110 public elementary schools	78.3%		74.4	292^nd of 1114 public elementary schools	73.8%	51	83.2	85.4	81.3	82.7	80.9	84.0	81.1	89.3	$18,518	$436	$18,082
Discovery Elementary	Public	PK, KG-5	44020 Grace Bridge Drive	Ashburn	20147	Loudoun County	Loudoun County Public Schools	No	No	No	No	(571) 252-2370	639	55	11.6	33.8%	203 (31.8%)	91 (14.2%)	109 (17.1%)	166 (26.0%)	5 (0.8%)	2 (0.3%)	63 (9.9%)	53.6	559^th of 1110 public elementary schools	49.6%		61.7	469^th of 1114 public elementary schools	57.9%	90	68.9	70.4	75.5	73.5	68.6	74.6	71.1	76.1	$17,818	$651	$17,168
Legacy Elementary	Public	PK, KG-5	22995 Minerva Drive	Ashburn	20148	Loudoun County	Loudoun County Public Schools	No	No	No	No	(703) 957-4425	627	48	13.0	16.7%	204 (32.5%)	43 (6.9%)	70 (11.2%)	266 (42.4%)	0 (0.0%)	0 (0.0%)	44 (7.0%)	86.7	89^th of 1110 public elementary schools	92.0%		90.7	38^th of 1114 public elementary schools	96.6%	51	90.0	94.6	91.1	86.6	77.8	86.6	92.0	91.8	$17,362	$87	$17,275
Cedar Lane Elementary	Public	PK, KG-5	43700 Tolamac Dr	Ashburn	20147	Loudoun County	Loudoun County Public Schools	No	No	No	No	(571) 252-2120	701	57	12.2	22.8%	299 (42.7%)	54 (7.7%)	88 (12.6%)	196 (28.0%)	9 (1.3%)	0 (0.0%)	55 (7.8%)	79.9	217^th of 1110 public elementary schools	80.5%		83.1	150^th of 1114 public elementary schools	86.5%	67	79.0	87.0	88.7	85.5	77.6	83.2	82.7	92.1	$17,377	$92	$17,285
Rosa Lee Carter Elementary	Public	PK, KG-5	43330 Loudoun Reserve Drive	Ashburn	20148	Loudoun County	Loudoun County Public Schools	No	No	No	No	(703) 957-4490	792	60	13.2	13.6%	121 (15.3%)	67 (8.5%)	47 (5.9%)	488 (61.6%)	27 (3.4%)	2 (0.3%)	40 (5.1%)	82.8	166^th of 1110 public elementary schools	85.0%		86.7	95^th of 1114 public elementary schools	91.5%	71	89.3	91.6	84.4	82.5	77.3	88.6	86.4	87.7	$16,695	$243	$16,452
Dominion Trail Elementary	Public	PK, KG-5	44045 Bruceton Mills Circle	Ashburn	20147	Loudoun County	Loudoun County Public Schools	No	No	No	No	(571) 252-2340	566	50	11.4	44.0%	195 (34.5%)	65 (11.5%)	128 (22.6%)	139 (24.6%)	0 (0.0%)	1 (0.2%)	38 (6.7%)	46	656^th of 1110 public elementary schools	40.9%		56.4	536^th of 1114 public elementary schools	51.9%	120	63.6	64.4	71.7	68.9	65.5	73.0	75.2	64.6	$18,259	$264	$17,995

Frequently Asked Questions about Mill Run Elementary

How many students attend Mill Run Elementary?

In the 2024-25 school year, 636 students attended Mill Run Elementary.

Is Mill Run Elementary a good school?

Yes! Mill Run Elementary is one of the best elementary schools in the state. It ranks 28^th of 1110 Virginia elementary schools.

What district is Mill Run Elementary in?

Loudoun County Public Schools

What schools do graduates of Mill Run Elementary attend?

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

Middle : Eagle Ridge Middle
High : Briar Woods High

What is the racial makeup of Mill Run Elementary?

Students at Mill Run Elementary are 41% White, 38% Asian, 7% African American, 7% Two or more races, 6% Hispanic.

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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.