High school (grades 9-12) · Manteca, CA

East Union High

Federal NCES profile for East Union High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 062361003577
0/100100/10037/100
👥 S:T ratio
22
📚 AP courses
55
🌟 Gifted program
70
🎓 Counselors
24
📋 Attendance
14
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

East Union High earns 37/100 on the Resource Investment Index, with class sizes near the California median.

#3 of 4
high schools in Manteca · Resource Index
37
Resource Index · Typical
19.5:1
students per teacher
44.6%
free-lunch eligible

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.

School address

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

Student-teacher ratio in context

How East Union High compares with California and U.S. medians

Smaller classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at East Union High

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

How East Union High compares

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

19.5:1
Leaner classes than 18% of US schools, heavier class loads than most.
1,524
Bigger than 96% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
44.6%
free-lunch eligible - 20% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
19.5:1
students per teacher - 9% below state mean
Top 31% in California - lower ratio than 69% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
34.3%
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
$12,941
per pupil, district-wide - below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors4.0 FTE
Per 381 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 99 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 6.5 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

Hispanic or Latino 64.6%
White 22.6%
Asian 7.1%
Two or More 2.7%
African American 2.2%
Native Hawaiian / Pacific Islander 0.5%
American Indian / Alaska Native 0.4%

Largest group: Hispanic or Latino at 64.6% of enrollment.

Student-body diversity index 52.5/100

Simpson diversity index - at 52.5, East Union High is more mixed than the California school average of 46.0.

Programs

AP courses offered 11
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Manteca Unified, which includes East Union High.

$12,941
Per student
-22%
vs California
Avg $16,509
-22%
vs U.S.
Avg $16,593
Revenue mix
Local 29.3%
State 59.7%
Federal 11.0%

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 East Union High Compares to District-Mates

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.

Other Schools in This District

Manteca Unified · 5 sibling schools

View district profile

Similar high schools in Manteca

3 comparable high schools (grades 9-12) serving the same city.

Similar high schools statewide

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.

Frequently asked questions about East Union High

How many students attend East Union High?

East Union High has 1,524 students enrolled. It is a high school in Manteca, CA.

What is the student-teacher ratio at East Union High?

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.

What percentage of students receive free lunch at East Union High?

44.6% of students at East Union High are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of East Union High?

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.

What is the Resource Investment Index for East Union High?

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).

How does East Union High rank among high schools in Manteca?

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.

Is East Union High a good school?

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.

What other schools are in Manteca Unified?

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.