Enrollment
923
California · 2024-25 NCES data
Elementary school (grades K-5) · Lathrop, CA
Joseph Widmer Jr. Elementary
Federal NCES profile for Joseph Widmer Jr. Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 17/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062361010390
👥 S:T ratio 0
🌟 Gifted program 30
📋 Attendance 21
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Joseph Widmer Jr. Elementary earns 17/100 on the Resource Investment Index, with class sizes larger than 87% of California schools. It is also more racially and ethnically mixed than most California schools.
- #3 of 6
- elementary schools in Lathrop · Resource Index
- 17
- Resource Index · Lower
- 26.4:1
- large classes for California
- 42.8%
- free-lunch eligible
Joseph Widmer Jr. Elementary has class sizes larger than 87% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Joseph Widmer Jr. Elementary ranks #3 of 6 elementary schools in Lathrop, CA.
School address
District: Manteca Unified · California
NCES ID 062361010390 Verify on NCES CCD record →
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
26.4:1
vs 21.5:1 California avg
+23% vs state
Free-lunch eligible
42.8%
vs 55.5% California avg
-23% vs state
Student-teacher ratio in context
How Joseph Widmer Jr. Elementary compares with California and U.S. medians
What stands out at Joseph Widmer Jr. Elementary
Joseph Widmer Jr. Elementary is a large elementary school in Lathrop, California, enrolling 923 students.
Class loads run heavy: 26.4:1 is larger than about 87% of California schools and 23% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 42.8% of students eligible for free meals.
Enrollment of 923 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 930 similarly sized, similarly resourced-need California schools statewide, it ranks #803, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (46%) and Asian (33%), more mixed than most schools in the state (diversity index 67/100).
Chronic absenteeism is elevated: 31.7% 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.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Lathrop's elementary schools, it stands alongside Mossdale Elementary (1,087 students): Joseph Widmer Jr. Elementary is smaller than that campus by headcount and runs leaner classes (26.4:1 vs 27.9:1).
Manteca Unified also operates Manteca High (1,907 students) and Sierra High (1,670 students) alongside Joseph Widmer Jr. Elementary.
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 Joseph Widmer Jr. Elementary compares
Joseph Widmer Jr. Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 26.4:1 | ▲ 23% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 42.8% | ▼ 23% | 55.5% | 51.7% |
| Enrollment | 923 | top 13% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
26.4:1
Leaner classes than 4% of US schools, heavier class loads than most.
923
Bigger than 89% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
42.8%
free-lunch eligible
- 23% 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
26.4:1
students per teacher
- 23% above state mean
Top 87% in California - lower ratio than 13% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
31.7%
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 31 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 3.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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 46.4%
Asian 32.7%
White 8.5%
African American 6.3%
Two or More 4.1%
Native Hawaiian / Pacific Islander 1.7%
American Indian / Alaska Native 0.3%
Largest group: Hispanic or Latino at 46.4% of enrollment.
Student-body diversity index 66.5/100
Simpson diversity index - at 66.5, Joseph Widmer Jr. Elementary is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Manteca Unified, which includes Joseph Widmer Jr. Elementary.
$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 Joseph Widmer Jr. Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Manteca High | Larger | Similar economic need | Lower S:T ratio |
| Sierra High | Larger | Similar economic need | Lower S:T ratio |
| East Union High | Larger | Similar economic need | Lower S:T ratio |
| Lathrop High | Larger | Similar economic need | Lower S:T ratio |
| Veritas Elementary | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Joseph Widmer Jr. Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,907
- Students per teacher
- 21.4:1
- Resource Index
- 26/100
- Enrollment
- 1,670
- Students per teacher
- 23.2:1
- Resource Index
- 36/100
- Enrollment
- 1,524
- Students per teacher
- 19.5:1
- Resource Index
- 33/100
- Enrollment
- 1,486
- Students per teacher
- 20.6:1
- Resource Index
- 35/100
- Enrollment
- 1,266
- Students per teacher
- 34.2:1
- Resource Index
- 29/100
Similar elementary schools in Lathrop
5 comparable elementary schools (grades K-5) serving the same city.
Mossdale Elementary
Standard public school
1,087 students 27.9:1 students per teacher
Epic Academy
Standard public school
1,025 students 46.6:1 students per teacher
Lathrop Elementary
Standard public school
1,000 students 27:1 students per teacher
River Islands Technology Academy Ii
Standard public school
954 students 26.5:1 students per teacher
Nextgeneration Steam Academy
Standard public school
797 students 28.5:1 students per teacher
Similar elementary 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.
Similar enrollment (~923 students)
Next steps
Verify locally before acting on Joseph Widmer Jr. Elementary's federal record.
- Compare Joseph Widmer Jr. Elementary against another school. Compare schools
- Manteca Unified'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 Joseph Widmer Jr. Elementary
How many students attend Joseph Widmer Jr. Elementary?
Joseph Widmer Jr. Elementary has 923 students enrolled. It is an elementary school in Lathrop, CA.
What is the student-teacher ratio at Joseph Widmer Jr. Elementary?
The student-teacher ratio at Joseph Widmer Jr. Elementary is 26.4:1, which is 23% higher than the California average of 21.5:1 and 68% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Joseph Widmer Jr. Elementary?
42.8% of students at Joseph Widmer Jr. Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Joseph Widmer Jr. Elementary?
The largest demographic group at Joseph Widmer Jr. Elementary is Hispanic or Latino at 46.4% of enrollment, in Lathrop, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.5/100.
What is the Resource Investment Index for Joseph Widmer Jr. Elementary?
Joseph Widmer Jr. Elementary has a Resource Investment Index of 17/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Joseph Widmer Jr. Elementary rank among elementary schools in Lathrop?
By Resource Investment Index, Joseph Widmer Jr. Elementary ranks #3 of 6 elementary schools in Lathrop, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Lathrop on the city page.
Is Joseph Widmer Jr. Elementary a good school?
Joseph Widmer Jr. Elementary earns 17/100 on the Resource Investment Index, with class sizes larger than 87% of California schools. It is also more racially and ethnically mixed than most California 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.
What other schools are in Manteca Unified?
Besides Joseph Widmer Jr. Elementary, Manteca Unified also operates Manteca High (1,907 students), Sierra High (1,670 students), and East Union High (1,524 students). See the Manteca Unified 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.