Average
#1272 of 2,221 schools in MO
Union High
High School · Union R-xi · Union, MO
An Union R-xi high school where students score 5 points above what's typical for similar communities.
PO BOX 440, Union, MO 63084
- Math 48% vs MO 48% (2025)
- Reading 58% vs MO 57% (2025)
- 86.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Students at Union High score 53% proficient, which is above what's typical for similar communities (expected: 48%).
2025 MAP proficiency
Most recent published year. School vs. MO average.
Trend
↑ RecoveringProficiency declined earlier in the 17-year record (2009–2025), then recovered 14 points since 2021, reaching 53% in 2025.
Show all 16 years
Multi-year averages used by the rating model: math 40% (multi-year average, 2009-2025) · reading/ELA 66% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 31 test records from MO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
39.7%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Union High sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the St. Louis map →
Getting around & local context
- Walk 13Car-Dependent
- Bike 17Somewhat Bikeable
- City Safety: High2,733/100K
FBI Uniform Crime Reporting · 2024 · city context (Union), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$72,332
Median home value
$221,800
Median rent
$852/mo
College educated
21.1%
Homeownership
72.6%
Poverty rate
6.9%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 63084; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
1 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Autumn Hill SchoolEnrollment path unverified | 2.5 | K–12 | 0.3 mi | 34 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Union R-xi
- Schools in district
- 5
- Rank in district
- #4 of 5
- District spending per student
- $11,594NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 9.7%Census SAIPE · 2024
Union High is listed in UNION R-XI; a district label does not verify attendance for an address.
About Union High
Union High is a public high school in Union, MO, part of Union R-xi, serving approximately 993 students in grades 9th-12th with a 15.5:1 student-teacher ratio. It holds a MySchoolScout rating of 6.1 out of 10 and ranks #1,272 of 2,221 schools in MO. State assessment records show 40% math proficiency (multi-year average, 2009-2025) and 66% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Union High
What grades does Union High serve?
Union High serves students in grades 9th through 12th.
How many students attend Union High?
Union High has an enrollment of approximately 993 students.
What is the student-teacher ratio at Union High?
The student-teacher ratio at Union High is 15.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Union High rank in MO?
Union High ranks #1,272 of 2,221 schools in MO.
What is Union High's MySchoolScout rating?
Union High has a current MySchoolScout rating of 6.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Union High?
Based on loaded state assessment records, Union High has 40% math proficiency (multi-year average, 2009-2025) and 66% reading/ELA proficiency (multi-year average, 2009-2025).
Is Union High a charter school?
No, Union High is not a charter school. It is a traditional public school operated by the local school district.
Is Union High a Title I school?
No, Union High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Union High?
39.7% of students at Union High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 993
- Student-Teacher Ratio
- 15.5:1
- Teachers (FTE)
- 64
- Type
- regular
- Setting
- Distant Town
- County
- Franklin County
- Chronic Absenteeism (SY 2022-23)
- 21.9%
- Phone
- (636) 583-2513
- 4-Year Graduation
- 86.0%
- Area population (ZIP 63084)
- 20,511
- Area average commute
- 25.9 min
- Area median age
- 37.5
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 MAP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 MAP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- State assessments · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 63084; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
Related reading
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.