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SCHOOL COMMUNITY·LOUDOUN COUNTY PUBLIC SCHOOLS·NCES 510225002450

Mercer Middle

42149 Greenstone Dr., Aldie, VA 20105 · (703) 957-4340 · Loudoun County
GRADES 06–08MIDDLE21-SUBURBREGULAR SCHOOL1,459 STUDENTS
Enrollment
1,459
Middle
DISTRICT 1,057 · STATE 750
Student : Teacher
14.3:1
102 FTE teachers
DISTRICT 13.0:1 · STATE 13.1:1
Free / Reduced Lunch
20%
297 students
DISTRICT 31% · STATE 66%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
477
Grade 7
483
Grade 8
499
Student demographics
White
37726%
DISTRICT 39% · STATE 43%
Hispanic
1037%
DISTRICT 20% · STATE 20%
Black
1289%
DISTRICT 7% · STATE 21%
Asian
76452%
DISTRICT 27% · STATE 8%
Two+
594%
DISTRICT 6% · STATE 7%
Native American
252%
DISTRICT 1% · STATE 0%
Pacific Islander
30%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
76052%
Female
69948%

Discussions

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Test scores

SOL 2024-25 . % Passing
English Language Arts
86.0%
VA avg 74.2% . +3.0pp since 2022
Math
82.0%
VA avg 72.7% . +5.0pp since 2022
Source: SOL. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
83.8%
composite math + reading, all grades
Predicted
82.6%
based on VA schools with similar FRL share
Beats by
+1.2pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,459
-419 (-22%) vs 2017
Student : Teacher
14.3:1
was 14.0:1
% White
26%
was 39%
% Hispanic
7%
was 9%
% Black
9%
was 9%
% Asian
52%
was 37%
Source: NCES Common Core of Data

About Mercer Middle

Mercer Middle is a sprawling 6-8 campus in Aldie, Virginia, operated by Loudoun County Public Schools. The school works with 1,459 students in grades 6 through 8. By comparison, Virginia's public schools average about 750 students each, so Mercer Middle sits 95% larger than that benchmark.

Mercer Middle is one of 98 schools operated by Loudoun County Public Schools, a district that works with 81,486 students overall.

Looking at the student body, Mercer Middle reports that the largest single group is Asian at 52%, but no single group is in the majority. Beyond that, the school logs 26% White, 9% Black, 7% Hispanic, 4% multiracial. By comparison, Loudoun County as a whole is about 22% Asian, so the school skews meaningfully more Asian than its surroundings.

On the resource side, The school employs 102 full-time-equivalent teachers, for a student-teacher ratio near 14.3:1. The state averages around 13.1:1, so this campus is higher than the state norm typical. An estimated 20% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Loudoun County (around 28%), the school's rate is somewhat below typical.

Adjusting for the school's free-and-reduced-lunch share, Mercer Middle tracks the demographic baseline. The model predicts 82.6% given the school's FRL share; actual proficiency is 83.8%.

Across the wider county, community-level numbers for Loudoun County indicate median household earnings sit near $181,765, roughly 65% of adults have completed at least a four-year degree, and roughly 3% of residents live below the federal poverty line. Mercer Middle is one of 103 public schools in Loudoun County (combined enrollment of about 81,486 students).

The closest other public school is Liberty Elementary, roughly 1.0 miles away. Counting just inside five miles, 8 other public schools cluster around Mercer Middle. On composite proficiency, Mercer Middle comes 5th of 9 in the immediate cluster, below the nearby-schools average of 84.4%.

Mercer Middle operates from an outer-ring location.

Looking at the recent track record. Mercer Middle's enrollment has contracted 22% since 2018, when it stood at 1,878 (now 1,459). Over the same period, the Asian share grew from 37% to 52%.

Inside the community feed, members of the Mercer Middle community share and discuss fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.

Loudoun County at a glance

View full county profile
Population
432,998
Census ACS
Median income
$181,765
Household, ACS
Bachelor's+
65%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
103
81,486 students

Quick facts

School name
Mercer Middle
District
Loudoun County Public Schools
Address
42149 Greenstone Dr., Aldie, VA 20105
Phone
(703) 957-4340
County
Loudoun County
Level
Middle
Grade range
06–08
Total enrollment
1,459
Teachers (FTE)
102
Student–teacher ratio
14.3:1
Free/Reduced lunch
297 (20%)
Locale
21-Suburb: Large
NCES ID
510225002450
Charter school
No
Virtual school
No

Related schools

Other schools in Loudoun County Public Schools
Other schools in Aldie
Nearby schools

Frequently asked questions

About Mercer Middle
How many students attend Mercer Middle?
Mercer Middle enrolls approximately 1,459 students in grades 06-08.
Is Mercer Middle an elementary, middle, or high school?
Mercer Middle is a middle school covering grades 06-08.
How many teachers does Mercer Middle have?
Mercer Middle employs 102 FTE teachers, for a student-to-teacher ratio of 14.3:1.
What is the student diversity at Mercer Middle?
Student demographics at Mercer Middle are roughly 26% White, 7% Hispanic, 9% Black, 52% Asian, 4% Two or more.
What district is Mercer Middle in?
Mercer Middle is part of Loudoun County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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