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Union Mill Elementary

Public Grades PK, KG-6
297th
SchoolDigger Rank ?
of 1,110 Virginia Elementary Schools
Better than 73% of Virginia elementary schools
Summary

Union Mill Elementary is a public elementary school located in Clifton, Virginia, serving grades PK-6 with a total enrollment of 908 students. The school is part of the Fairfax County Public Schools district, which is ranked 45 out of 129 school districts in Virginia and has a 3-star rating from SchoolDigger.

Union Mill Elementary has consistently performed well, ranking in the top 25% of Virginia elementary schools for the past several years. In the 2024-2025 school year, the school ranked 297 out of 1,110 Virginia elementary schools and received a 4-star rating from SchoolDigger. The school consistently outperforms the Fairfax County Public Schools district and the state of Virginia in standardized test scores across various subjects and grade levels, with particularly strong performance in Mathematics and English Reading.

While Union Mill Elementary generally performs well across different student subgroups, the school's performance for Asian Students and White Students is relatively lower, ranking in the middle to bottom half of Virginia elementary schools. Additionally, the school has seen a gradual increase in chronic absenteeism rates, which is a concern. Compared to nearby schools, Union Mill Elementary outperforms most, but lags behind the highly-ranked Willow Springs Elementary.

874
Students ?
15.9
Student/teacher ratio ?
$10,116
Per pupil spending ?
12.5%
Free/discounted lunch ?
 13611 Springstone Dr
       Clifton, VA  20124-2375

(703) 322-8500

District: Fairfax County Public Schools

Racial breakdown:

White:
59.4%
Asian:
16.2%
Hispanic:
10.6%
more
 See top rated Virginia elementary schools

 Compare Union Mill Elementary to nearby elementary schools!
At a glance
Ranking trend: Declining — 78th percentile in 2015 → 73rd in 2025
Strengths
Test scores above the Virginia average (81% vs 70% meeting standards)
Above the Virginia median (73rd percentile)
Worth a look
!Ranking has slipped — down 5 percentile points since 2015
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2024-2025) ?
This school81%
District avg74%
Virginia avg70%
297th of 1,110
Virginia public elementary schools ?
Top 27%▼ down 5 pts since 2015
From top 22% (2015) to top 27% (2025)
See the entire ranking list of Virginia Elementary Schools →
SchoolDigger rating ?
56th of 137Elementary Schools in the Fairfax County Public Schools
45th of 129Fairfax 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

YearAvg scoreStatewide rankVirginia percentileRating
202574.3297 of 111073.2%★★★★☆
202478.8232 of 111479.2%★★★★☆
202379.0223 of 111480.0%★★★★☆
202285.3130 of 110988.3%★★★★☆
202173.4296 of 110373.2%★★★★☆
201976.5219 of 110580.2%★★★★☆
201880.0154 of 109786.0%★★★★☆
201778.7167 of 109984.8%★★★★☆
201681.4132 of 109688.0%★★★★☆
201573.7244 of 110077.8%★★★★☆
201476.3200 of 111082.0%★★★★☆
201380.9133 of 112088.1%★★★★☆
201276.0192 of 111782.8%★★★★☆
201180.0126 of 111788.7%★★★★☆
201076.2160 of 111385.6%★★★★☆
200980.695 of 108291.2%★★★★★
200880.694 of 108191.3%★★★★★
200780.7113 of 108389.6%★★★★☆
200682.873 of 107193.2%★★★★★
200586.340 of 106296.2%★★★★★

Asian

YearAvg scoreStatewide rankVirginia percentileRating
202549.0149 of 24940.2%★★☆☆☆
202451.5135 of 23843.3%★★☆☆☆
202356.6106 of 23053.9%★★★☆☆

Disabled

YearAvg scoreStatewide rankVirginia percentileRating
202456.1177 of 35550.1%★★★☆☆
202365.1102 of 32468.5%★★★☆☆

English Language Learner

YearAvg scoreStatewide rankVirginia percentileRating
202555.6134 of 32658.9%★★★☆☆
202486.923 of 30692.5%★★★★★
202387.423 of 30092.3%★★★★★

Female

YearAvg scoreStatewide rankVirginia percentileRating
202574.9265 of 109675.8%★★★★☆
202476.1241 of 109878.1%★★★★☆
202377.5221 of 110079.9%★★★★☆

Hispanic

YearAvg scoreStatewide rankVirginia percentileRating
202561.1242 of 60660.1%★★★☆☆
202475.7114 of 58080.3%★★★★☆
202362.7212 of 56462.4%★★★☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankVirginia percentileRating
202562.2373 of 104664.3%★★★☆☆
202471.7238 of 103677.0%★★★★☆

Male

YearAvg scoreStatewide rankVirginia percentileRating
202570.1335 of 109369.4%★★★☆☆
202478.0220 of 110180.0%★★★★☆
202377.3226 of 109379.3%★★★★☆

Multi-racial

YearAvg scoreStatewide rankVirginia percentileRating
202569.980 of 27170.5%★★★★☆
202484.427 of 24789.1%★★★★☆
202358.3117 of 24552.2%★★★☆☆

White

YearAvg scoreStatewide rankVirginia percentileRating
202557.2443 of 97354.5%★★★☆☆
202463.5371 of 97962.1%★★★☆☆
202369.3274 of 98472.2%★★★★☆
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)
Female (2025)76th percentile+3 vs school
Multi-racial (2025)70th percentile-3 vs school
Male (2025)69th percentile-4 vs school
Low Socio Economic Status (2025)64th percentile-9 vs school
Hispanic (2025)60th percentile-13 vs school
English Language Learner (2025)59th percentile-14 vs school
White (2025)54th percentile-19 vs school
Disabled (2024)50th percentile-29 vs school
Asian (2025)40th percentile-33 vs school
By subject vs Virginia (2024-2025) ?
Mathematics84%+14 vs state
English Reading80%+9 vs state
Science75%+6 vs state

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What people are saying
by a parent
Monday, October 26, 2009

Open Quote Bullying is a sport at this school. Close Quote





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Frequently Asked Questions about Union Mill Elementary

In the 2024-25 school year, 874 students attended Union Mill Elementary.

Union Mill Elementary ranks 297th of 1110 Virginia elementary schools. SchoolDigger rates this school 4 stars out of 5.

Students at Union Mill Elementary are 59% White, 16% Asian, 11% Hispanic, 9% Two or more races, 5% African American.


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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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