Enrollment
638
North Carolina · 2024-25 NCES data
Other / mixed grade configuration · Weddington, NC
Federal NCES profile for Union Day School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
The verdict
Union Day School earns 40/100 on the Resource Investment Index, with class sizes larger than 85% of North Carolina schools.
Union Day School has class sizes larger than 85% of North Carolina schools. Computed live against every North Carolina school reporting to NCES.
NCES ID 370040303399 Verify on NCES CCD record →
Enrollment
638
North Carolina · 2024-25 NCES data
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
18.8:1
vs 15.8:1 North Carolina avg
+19% vs state
How Union Day School compares with North Carolina and U.S. medians
Union Day School is a mid-sized charter combined-grade school in Weddington, North Carolina, enrolling 638 students.
Class loads run somewhat heavier than typical: 18.8:1 puts it in the larger third of North Carolina schools by student-teacher ratio.
Enrollment of 638 puts it in the larger third of North Carolina schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,698 scored North Carolina schools.
Its student body is led by White (54%) and Hispanic or Latino (16%) (diversity index 65/100).
Counselor coverage runs a bit thin, about 319 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
12.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Union Day School spends $8,000 per pupil, 33% below the North Carolina average, a leaner-resourced district than most.
Union Day School is a single-school charter district, so Union Day School operates independently rather than alongside district-mates.
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
Union Day School on the metrics families compare, against North Carolina and U.S. means.
| Metric | This school | vs North Carolina | North Carolina avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.8:1 | ▲ 19% | 15.8:1 | 15.7:1 |
| Enrollment | 638 | top 31% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 53.6% of enrollment.
Simpson diversity index - at 65.2, Union Day School is more mixed than the North Carolina school average of 56.1.
District-wide per-pupil expenditure for Union Day School, which includes Union Day School.
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.
Matched by enrollment size and by staffing ratio across all of North Carolina, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Union Day School's federal record.
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.
Union Day School has 638 students enrolled. It is a public school in Weddington, NC.
The student-teacher ratio at Union Day School is 18.8:1, which is 19% higher than the North Carolina average of 15.8:1 and 20% higher than the national average of 15.7:1.
The largest demographic group at Union Day School is White at 53.6% of enrollment, in Weddington, NC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.2/100.
Union Day School has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Union Day School earns 40/100 on the Resource Investment Index, with class sizes larger than 85% of North Carolina schools. 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.
None; Union Day School is a single-school charter district, and Union Day School is its only campus.
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.