Enrollment
956
Missouri · 2024-25 NCES data
High school (grades 9-12) · Union, MO
Union High
Federal NCES profile for Union High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 293057002101
👥 S:T ratio 39
📚 AP courses 30
🌟 Gifted program 30
🎓 Counselors 36
📋 Attendance 47
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Union High earns 36/100 on the Resource Investment Index, with class sizes larger than 81% of Missouri schools. It is also one of the largest schools in Missouri.
- #3 of 5
- public schools in Union · Resource Index
- 36
- Resource Index · Typical
- 15.2:1
- large classes for Missouri
- 23.8%
- free-lunch eligible
Union High has class sizes larger than 81% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Union High ranks #3 of 5 public schools in Union, MO.
School address
Teachers (FTE)
63.0
Federal CCD staff survey
Students per teacher
15.2:1
vs 12.8:1 Missouri avg
+19% vs state
Free-lunch eligible
23.8%
vs 46.1% Missouri avg
-48% vs state
Student-teacher ratio in context
How Union High compares with Missouri and U.S. medians
What stands out at Union High
Union High is a large high school in Union, Missouri, enrolling 956 students.
Class loads run somewhat heavier than typical: 15.2:1 puts it in the larger third of Missouri schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 23.8% of students eligible for free meals.
By headcount it is one of the larger campuses in Missouri, bigger than 95% of state schools at 956 students.
Its Resource Investment Index lands in the lower third of 2,313 scored Missouri schools.
Among 177 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #156, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (92% of enrollment) (diversity index 16/100).
On the academic-pipeline side it reports 6 Advanced Placement courses.
Counselor coverage runs a bit thin, about 319 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 21.3% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 16.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 258 in- and out-of-school suspensions were reported for 956 students in the 2021-22 Civil Rights Data Collection.
Union R-Xi also operates Union Middle (704 students) and Central Elem. (643 students) alongside Union High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Union High compares
Union High on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.2:1 | ▲ 19% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 23.8% | ▼ 48% | 46.1% | 51.7% |
| Enrollment | 956 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.2:1
Leaner classes than 45% of US schools, a middle-of-the-pack class size.
956
Bigger than 90% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
23.8%
free-lunch eligible
- 48% below the Missouri average of 46.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.2:1
students per teacher
- 19% above state mean
Top 81% in Missouri - lower ratio than 19% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
21.3%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$10,624
per pupil, district-wide
- below Missouri avg of $12,931
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors3.0 FTE
Per 319 students, the combined health-and-guidance staffing load for this school.
Discipline context
160
in-school suspensions + 98 out-of-school
Suspension rate: 16.7 per 100 students. Combined in-school and out-of-school rate: 27.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 91.6%
Two or More 4.9%
Hispanic or Latino 2.0%
African American 0.9%
American Indian / Alaska Native 0.3%
Asian 0.2%
Largest group: White at 91.6% of enrollment.
Student-body diversity index 15.8/100
Simpson diversity index - at 15.8, Union High is less mixed than the Missouri school average of 31.0.
Programs
AP courses offered 6
Funding & spending
District-wide per-pupil expenditure for Union R-Xi, which includes Union High.
$10,624
Per student
-18%
vs Missouri
Avg $12,931
-36%
vs U.S.
Avg $16,593
Revenue mix
Local 49.6%
State 33.9%
Federal 16.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Union High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Union Middle | Smaller | Similar economic need | Similar S:T ratio |
| Central Elem. | Smaller | Higher economic need | Lower S:T ratio |
| Prairie Dell Elementary | Smaller | Higher economic need | Lower S:T ratio |
| Beaufort Elem. | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Union High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 704
- Students per teacher
- 15.6:1
- Resource Index
- 29/100
- Enrollment
- 643
- Students per teacher
- 13.1:1
- Resource Index
- 53/100
- Enrollment
- 495
- Students per teacher
- 11.3:1
- Resource Index
- 49/100
- Enrollment
- 322
- Students per teacher
- 12.4:1
- Resource Index
- 55/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Missouri, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~956 students)
Similar student-teacher ratio (~15.2:1)
Next steps
Verify locally before acting on Union High's federal record.
- Compare Union High against another school. Compare schools
- Union R-Xi's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Union High
How many students attend Union High?
Union High has 956 students enrolled. It is a high school in Union, MO.
What is the student-teacher ratio at Union High?
The student-teacher ratio at Union High is 15.2:1, which is 19% higher than the Missouri average of 12.8:1 and 3% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Union High?
23.8% of students at Union High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Union High?
The largest demographic group at Union High is White at 91.6% of enrollment, in Union, MO.
What is the Resource Investment Index for Union High?
Union High has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Union High rank among public schools in Union?
By Resource Investment Index, Union High ranks #3 of 5 public schools in Union, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Union on the city page.
Is Union High a good school?
Union High earns 36/100 on the Resource Investment Index, with class sizes larger than 81% of Missouri schools. It is also one of the largest schools in Missouri. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Union R-Xi?
Besides Union High, Union R-Xi also operates Union Middle (704 students), Central Elem. (643 students), and Prairie Dell Elementary (495 students). See the Union R-Xi district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.