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Average

#979 of 1,850 schools in VA

Union Mill Elementary

Elementary School · Fairfax County Public Schools

13611 Springstone Dr, Clifton, VA 20124

Enrollment

908

Student-Teacher

17.1:1

Score

6.3

Grades

Pre-K – 6th

Updated 2022-23

How this school compares

In Clifton

#3 of 3

public schools

Virginia elementary schools

#534 of 1,147

In district

#153 of 199

Fairfax County Public Schools

About Union Mill Elementary

Union Mill Elementary serves 908 students in pre-kindergarten through sixth grade in Clifton, Virginia. This regular public school operates with 53 full-time equivalent teachers, maintaining a student-teacher ratio of 17.1 students per teacher. The school currently ranks in the 10th percentile among Virginia elementary schools, positioning at #1664 out of 1856 schools statewide with a MySchoolScout rating of 3.7 out of 10.

This indicates significant room for academic growth as the school works to better serve its large student population. Union Mill Elementary draws families from an affluent suburban community where the median household income reaches $208,125 and home values average $851,100. The surrounding ZIP code reflects a highly educated population, with 75% of residents holding bachelor's degrees or higher, and maintains a low poverty rate of just 3.7% among its 15,117 residents.

Despite serving a well-resourced community, the school faces academic challenges that suggest opportunities for improvement in student outcomes. The contrast between the neighborhood's educational attainment and economic resources and the school's current performance indicates potential for positive change. Union Mill Elementary is situated in Fairfax County's large suburban landscape, serving families in an established community known for its commitment to education and strong socioeconomic foundation.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress6.5Above Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-0.54 pts/yr
Data Period2019–2025
TrendStable
Academics6.5Above Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency87%
Reading/ELA Proficiency80%
Math vs. State Avg+13.8 pts
Reading vs. State Avg+4.3 pts
Overall Proficiency84%
Expected (poverty-adj.)88%
vs. Expected-4.5 pts
Adjusted Percentile50th
College ReadinessNot Available

Data not available for this school

Resources & Environment5.3Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio17.1:1
Per-Pupil Spending$17,977

Union Mill Elementary — Students at Union Mill Elementary score 84% proficient, which is below what's typical for similar communities (expected: 88%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

14.4%

Students qualifying for federal meal assistance

Test Scores VA SOL (2024-25)

Math Proficiency 86.1%
School
State
70.0%
ELA Proficiency 80.6%
School
State
72.3%

Based on 15 test records from VA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
93%
ELA
86%
2021*
Math
68%
ELA
76%
2025
Math
88%
ELA
80.4%

* 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: 6.5/10.

How Union Mill Elementary Compares

See how Union Mill Elementary performs across key quality dimensions compared to state benchmarks.

Overall Score
6.3/10
47th percentile in VA
Academic
6.5/10
6.5/10
Growth
6.5/10
Above average
Environment
5.3/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
14%
Teaching Staff
17:1 student-teacher ratio
53 teachers

Location

13611 Springstone Dr, Clifton, VA 20124

Nearby Alternatives

Families considering Union Mill Elementary may also want to explore other elementary schools in the area. Centreville Elementary (rated 8.4/10, 1.2 miles away, in nearby Centreville), which scores notably higher. Another option is Centre Ridge Elementary (rated 7.8/10, 1.5 miles away, in nearby Centreville), which scores notably higher. Additionally, Powell Elementary (rated 7.7/10, 1.8 miles away, in nearby Centreville), which scores notably higher. For more schools in Clifton, see our Clifton schools guide .

Nearby Schools

20 within 3.7 mi
School Distance Rating
Centreville High Clifton 0.5 mi 8.1
Liberty Middle Clifton 1.0 mi 7.1
ST ANDREW THE APOSTLE SCHOOL Clifton 1.1 mi 5.9
Mountain View High Centreville 1.2 mi 6.0
MONTESSORI CHILDREN'S CENTER Centreville 1.2 mi 6.2
Centreville Elementary Centreville 1.2 mi 8.4
Powell Elementary Centreville 1.8 mi 7.7
Centre Ridge Elementary Centreville 1.5 mi 7.8
Willow Springs Elementary Fairfax 2.2 mi 7.4
Poplar Tree Elementary Chantilly 2.9 mi 6.7
London Towne Elementary Centreville 2.5 mi 5.5
Manassas Park High Manassas Park 3.2 mi 6.0
Manassas Park Middle Manassas Park 3.3 mi 4.9
ST TIMOTHY CATHOLIC SCHOOL Chantilly 3.5 mi 5.2
Yorkshire Elementary Manassas 3.1 mi 5.7
Stone Middle Centreville 3.2 mi 6.2
Rocky Run Middle Chantilly 3.7 mi 8.2
BEANTREE LEARNING - CHANTILLY Chantilly 3.7 mi
Greenbriar East Elementary Fairfax 3.7 mi 5.8
THE GODDARD SCHOOL Chantilly 3.7 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 20124 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$218,942

Median Home Value

$870,200

Median Rent

$2,307/mo

Population

14,557

College Educated

74.5%

Homeownership

92.8%

Avg Commute

33.6 min

Poverty Rate

2.8%

Median Age

47.2

Community Profile

The community surrounding Union Mill Elementary has a median household income of $218,942. It is a well-educated community where 75% of adults hold a bachelor's degree or higher. The median home value in the area is $870,200, with a median rent of $2,307/month. The local poverty rate of 2.8% 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
Antietam Elementary Woodbridge, VA 6.3
Hollin Meadows Elementary Alexandria, VA 6.3
William Ramsay Elementary Alexandria, VA 6.3
Winterpock Elementary Chesterfield, VA 6.3
A. Henderson Elementary Dumfries, VA 6.2
Larrymore Elementary Norfolk, VA 6.2

Frequently Asked Questions

Common questions about Union Mill Elementary

What grades does Union Mill Elementary serve?

Union Mill Elementary serves students in grades Pre-K through 6th.

How many students attend Union Mill Elementary?

Union Mill Elementary has an enrollment of approximately 908 students.

What is the student-teacher ratio at Union Mill Elementary?

The student-teacher ratio at Union Mill Elementary is 17.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Union Mill Elementary rank in VA?

Union Mill Elementary is ranked #979 out of 1,850 schools in VA.

What is Union Mill Elementary's MySchoolScout rating?

Union Mill Elementary has a composite rating of 6.3 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 Union Mill Elementary?

Based on the most recent state assessment data, Union Mill Elementary has 86.1% math proficiency and 80.6% reading/ELA proficiency.

Is Union Mill Elementary a charter school?

No, Union Mill Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Union Mill Elementary a Title I school?

No, Union Mill Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Union Mill Elementary?

14.4% of students at Union Mill 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.

11 schools nearby View map →

Quick Facts NCES CCD (SY 2022-23)

Grades
Pre-K – 6th
Enrollment
908
Student-Teacher Ratio
17.1:1
Teachers (FTE)
53
Free/Reduced Lunch
14.4%
Type
regular
Setting
Large Suburb
County
Fairfax County
Data Year
2023–2024

District

Fairfax County Public Schools
District Enrollment
180,714
Schools in District
223
Per-Pupil Spending
$18,975
District Rank
#153 of 199

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 methodology

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