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Union School

Public Grades K-4
100th
SchoolDigger Rank ?
of 493 Connecticut Elementary Schools
Better than 80% of Connecticut elementary schools
Summary

Union School is an elementary school located in Unionville, CT, serving grades K-4 with a total enrollment of 314 students. It is part of the Farmington School District, which is ranked 17 out of 156 districts in Connecticut and has a 4-star rating from SchoolDigger. Over the past several years, Union School has consistently ranked in the top 100 elementary schools in Connecticut, with a 4-star rating from SchoolDigger.

Union School consistently outperforms the state average in both English Language Arts (ELA) and Mathematics on the SBAC assessments. For example, in 2024-2025, 73.1% of 3rd graders and 74.2% of 4th graders at Union School were proficient or better in ELA, compared to the state average of 46.9% and 51.4%, respectively. In Mathematics, 73.1% of 3rd graders and 66.7% of 4th graders at Union School were proficient or better, compared to the state averages of 52.2% and 51.4%. Additionally, Union School has maintained relatively low chronic absenteeism rates, ranging from 2.9% to 20.0% over the past few years, which is lower than the state average.

When compared to other nearby schools in the Farmington School District, Union School performs similarly or better on academic measures. For example, in 2024-2025, Union School's 3rd grade ELA and Mathematics proficiency rates were higher than those of Noah Wallace School, another elementary school in the district. This consistent high performance suggests that Union School has effective teaching practices and a strong curriculum that are supporting student learning.

305
Students ?
11.3
Student/teacher ratio ?
$21,393
Per pupil spending ?
23.6%
Free/discounted lunch ?
 173 School St.
       Unionville, CT  06085

(860) 673-2575

District: Farmington School District


Students who attend Union School usually attend:

Middle:    Irving A. Robbins Middle School
    West Woods Upper Elementary School
High:    Farmington High School
Racial breakdown:

White:
61.3%
Hispanic:
15.4%
Asian:
11.5%
more
 See top rated Connecticut elementary schools

 Compare Union School to nearby elementary schools!
At a glance
Ranking trend: Declining — 86th percentile in 2013 → 80th in 2025
Strengths
Test scores above the Connecticut average (72% vs 50% meeting standards)
Ranks in the top 20% of Connecticut elementary schools
Small classes — about 11 students per teacher
Worth a look
!Ranking has slipped — down 6 percentile points since 2013
!Some student groups rank well below the school's overall statewide standing
!Near the bottom of Farmington School District's ranking
Students meeting standards (2024-2025) ?
This school72%
District avg76%
Connecticut avg50%
100th of 493
Connecticut public elementary schools ?
Top 20%▬ steady since 2015
See the entire ranking list of Connecticut Elementary Schools →
SchoolDigger rating ?
4th of 4Elementary Schools in the Farmington School District
17th of 156Farmington School District among Connecticut 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 rankConnecticut percentileRating
202581.0100 of 49379.7%★★★★☆
202481.499 of 49780.1%★★★★☆
202382.896 of 49180.4%★★★★☆
202284.378 of 49084.1%★★★★☆
202185.482 of 53884.8%★★★★☆
201868.8190 of 53264.3%★★★☆☆
201783.091 of 51982.5%★★★★☆
201673.0154 of 51870.3%★★★★☆
201581.9112 of 55179.7%★★★★☆
201380.777 of 55786.2%★★★★☆
201284.113 of 56497.7%★★★★★
201181.171 of 56587.4%★★★★☆
201082.642 of 57992.7%★★★★★
200980.573 of 56687.1%★★★★☆
200881.566 of 56588.3%★★★★☆
200779.694 of 56883.5%★★★★☆
200683.057 of 57090.0%★★★★★

Female

YearAvg scoreStatewide rankConnecticut percentileRating
202584.531 of 23286.6%★★★★☆
202280.749 of 23479.1%★★★★☆
202184.172 of 45584.2%★★★★☆

Male

YearAvg scoreStatewide rankConnecticut percentileRating
202571.797 of 23959.4%★★★☆☆
202287.619 of 23291.8%★★★★★
202181.781 of 44581.8%★★★★☆

White

YearAvg scoreStatewide rankConnecticut percentileRating
202563.296 of 24861.3%★★★☆☆
202451.3148 of 25040.8%★★☆☆☆
202377.053 of 26279.8%★★★★☆
202271.180 of 25268.3%★★★☆☆
202171.890 of 32772.5%★★★★☆
201955.0149 of 29549.5%★★★☆☆
201851.5164 of 29644.6%★★☆☆☆
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)87th percentile+7 vs school
White (2025)61st percentile-18 vs school
Male (2025)59th percentile-20 vs school
By subject vs Connecticut (2024-2025) ?
English Language Arts74%+25 vs state
Mathematics70%+18 vs state

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Frequently Asked Questions about Union School

In the 2024-25 school year, 305 students attended Union School.

Union School ranks 100th of 493 Connecticut elementary schools. SchoolDigger rates this school 4 stars out of 5.

Students at Union School are 61% White, 15% Hispanic, 11% Asian, 7% 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 Connecticut 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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