Enrollment
1,524
California · 2024-25 NCES data
High school (grades 9-12) · Manteca, CA
Federal NCES profile for East Union High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
The verdict
East Union High earns 37/100 on the Resource Investment Index, with class sizes near the California median.
East Union High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, East Union High ranks #3 of 4 high schools in Manteca, CA.
NCES ID 062361003577 Verify on NCES CCD record →
Enrollment
1,524
California · 2024-25 NCES data
Teachers (FTE)
78.0
Federal CCD staff survey
Students per teacher
19.5:1
vs 21.5:1 California avg
-9% vs state
Free-lunch eligible
44.6%
vs 55.5% California avg
-20% vs state
How East Union High compares with California and U.S. medians
Smaller classes than state median
19.5:1 - 2.0 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
East Union High is a large high school in Manteca, California, enrolling 1,524 students.
Class sizes run a bit leaner than typical: 19.5:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 44.6% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 94% of state schools at 1,524 students.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 399 statewide peers matched on enrollment and economic need, it ranks mid-pack at #163.
Its student body is led by Hispanic or Latino (65%) and White (23%) (diversity index 53/100).
On the academic-pipeline side it reports 11 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 381 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 34.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Manteca Unified spends $12,941 per pupil, 22% below the California average, a leaner-resourced district than most.
Among Manteca's high schools, it stands alongside Manteca High (1,907 students): East Union High is smaller than that campus by headcount and runs leaner classes (19.5:1 vs 21.4:1).
Manteca Unified also operates Manteca High (1,907 students) and Sierra High (1,670 students) alongside East 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
East Union High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.5:1 | ▼ 9% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 44.6% | ▼ 20% | 55.5% | 51.7% |
| Enrollment | 1,524 | top 6% | - | - |
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: Hispanic or Latino at 64.6% of enrollment.
Simpson diversity index - at 52.5, East Union High is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Manteca Unified, which includes East Union High.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Manteca High | Larger | Similar economic need | Higher S:T ratio |
| Sierra High | Similar size | Lower economic need | Higher S:T ratio |
| Lathrop High | Similar size | Similar economic need | Similar S:T ratio |
| Veritas Elementary | Similar size | Lower economic need | Higher S:T ratio |
| Nile Garden Elementary | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to East Union High's own figures; each column derives from NCES Common Core of Data.
3 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on East Union High'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.
East Union High has 1,524 students enrolled. It is a high school in Manteca, CA.
The student-teacher ratio at East Union High is 19.5:1, which is 9% lower than the California average of 21.5:1 and 24% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
44.6% of students at East Union High are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at East Union High is Hispanic or Latino at 64.6% of enrollment, in Manteca, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.5/100.
East Union High has a Resource Investment Index of 37/100 (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).
By Resource Investment Index, East Union High ranks #3 of 4 high schools in Manteca, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Manteca on the city page.
East Union High earns 37/100 on the Resource Investment Index, with class sizes near the California median. 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.
Besides East Union High, Manteca Unified also operates Manteca High (1,907 students), Sierra High (1,670 students), and Lathrop High (1,486 students). See the Manteca Unified district page for the complete list.
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.
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PlainSchools, “East Union High, Manteca CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/east-union-high-ca
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