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Welcome to the Joseph Widmer Jr. Elementary community. What's one thing that would make Joseph Widmer Jr. Elementary even better?
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Enrollment
923
Elementary
DISTRICT 787 · STATE 465
SCHOOL COMMUNITY·MANTECA UNIFIED·NCES 062361010390
Joseph Widmer Jr. Elementary
751 Stonebridge Ln., Lathrop, CA 95330 · (209) 938-6340 · San Joaquin County
GRADES KG–08ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL923 STUDENTS
D
allk12 Grade
Scored higher than 10% of California public elementary schools
- C-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- FBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- C+Three-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public elementary schools
Student : Teacher
24.5:1
38 FTE teachers
DISTRICT 23.9:1 · STATE 22.3:1
Free / Reduced Lunch
64%
594 students
DISTRICT 67% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 103 | 11% |
| Grade 1 | 82 | 9% |
| Grade 2 | 88 | 10% |
| Grade 3 | 114 | 12% |
| Grade 4 | 105 | 11% |
| Grade 5 | 107 | 12% |
| Grade 6 | 104 | 11% |
| Grade 7 | 110 | 12% |
| Grade 8 | 110 | 12% |
This year's kindergarten class (103) is 6% smaller than its 8th grade class (110).
Student demographics
66%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 63% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
30.5%
CA avg 49.1% . -2.5pp since 2014
Math
17.8%
CA avg 37.7% . -6.2pp since 2014
What this means: On the CAASPP, California's statewide test, about 31 of every 100 students at this school read and write at grade level and about 18 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 2 points since 2014, while math scores are down about 6 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 9.7% | 20.8% | 24.4% | 45.0% |
| Math | 6.7% | 11.1% | 24.4% | 57.8% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 30.5% | 17.8% |
| 2023-24 | 31.5% | 19.1% |
| 2022-23 | 28.9% | 15.6% |
| 2021-22 | 30.9% | 16.5% |
| 2018-19 | 41.1% | 23.0% |
| 2017-18 | 42.9% | 30.4% |
| 2016-17 | 39.0% | 29.6% |
| 2015-16 | 37.0% | 28.0% |
| 2014-15 | 33.0% | 24.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
UNDERPERFORMING
Bottom 10% of CA schools after controlling for student poverty
Actual proficiency
24.7%
composite math + reading, all grades
Predicted
41.8%
based on CA schools with similar FRL share
Beats by
-17.1pp
below demographic expectation
What this means: About 25% of students here test proficient in math and reading, below the roughly 42% typical for California schools with a similar share of low-income students. BeatsExpectations compares each school with others at the same poverty level, not by raw scores, so a school lands here when its results trail those comparable schools, which is not the same as having low scores. A higher-scoring school can still fall in this tier if similar schools score higher still.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Joseph Widmer Jr. Elementary
Joseph Widmer Jr. Elementary's state test result (24.7% proficient) is higher than 0 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Joseph Widmer Jr. Elementary this school | 923 | 64.4% | 24.7% |
| Edwin Rhodes Elementary Chino | 860 | 64.5% | 62.7% |
| John S. Wash Elementary Fresno | 838 | 60.3% | 52.1% |
| Herndon-Barstow Elementary Fresno | 754 | 68.6% | 48.3% |
| Rosa Parks Elementary Corona | 970 | 67.9% | 59.9% |
| Harada Elementary Eastvale | 1,056 | 65.6% | 54.0% |
Matched among California elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Joseph Widmer Jr. Elementary ranks
Among elementary schools| Measure | This school | In California | In San Joaquin County |
|---|---|---|---|
| State test proficiency ranked highest first | 24.7% | #4,109 of 5,151 | #82 of 138 |
| Math proficiency ranked highest first | 17.8% | #4,498 of 5,172 ▼ 223 | #99 of 138 ▼ 10 |
| Reading proficiency ranked highest first | 30.5% | #3,936 of 5,172 ▼ 301 | #72 of 138 ▲ 1 |
| 3-year test score change ranked biggest gain first | +0.5pp | #3,193 of 5,116 | #81 of 136 |
| Enrollment ranked largest first | 923 | #145 of 5,915 | #14 of 159 |
| Students per teacher ranked fewest first | 24.5:1 | #4,113 of 5,352 | #103 of 149 |
| Diversity index ranked most diverse first | 66.5% | #1,062 of 5,354 | #31 of 149 |
| Free and reduced lunch ranked highest share first | 64.4% | #3,267 of 5,625 | #106 of 154 |
| Enrollment change since 2017-18 ranked fastest growth first | +11.1% | #476 of 1,139 | #15 of 32 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
923
+186 (+25%) vs 2020
-1% since 2010-11, when it was 934
Student : Teacher
24.5:1
was 23.8:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 923 | 37.7 | 24.5:1 | 64% (594) |
| 2023-24 | 911 | 35.1 | 25.9:1 | 60% (544) |
| 2022-23 | 893 | 35.4 | 25.2:1 | 51% (454) |
| 2020-21 | 737 | 31 | 23.8:1 | 75% (551) |
| 2017-18 | 831 | 31 | 26.8:1 | 64% (534) |
| 2015-16 | 843 | 31 | 27.2:1 | 58% (492) |
| 2010-11 | 934 | N/A | N/A | 52% (482) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Joseph Widmer Jr. Elementary.
Since 2017-18: students up 11% (831 to 923); teachers up 21% (31 to 37.7).
About Joseph Widmer Jr. Elementary
Joseph Widmer Jr. Elementary is an elementary school with a street address in Lathrop, California. It enrolled 923 students in kindergarten through 8 for the 2024-25 school year. Statewide, elementary schools in California average about 465 students each.
The 30 schools of Manteca Unified, including Joseph Widmer Jr. Elementary, enroll 25,347 students.
Hispanic students form the largest group at Joseph Widmer Jr. Elementary, 46% of enrollment. The remaining shares are 33% Asian, 8% White, 6% Black, and 4% multiracial. The Hispanic share in San Joaquin County as a whole is similar, at about 43%. Joseph Widmer Jr. Elementary has a diversity index of 66%, compared with 70% for all US public school students.
Its teaching staff equals 37.7 full-time positions, a ratio of 24.5:1. For comparison, elementary schools in California average 22.3:1. Free and reduced-price lunch eligibility, a common measure of family income, is 64%. That is close to the 66% average for public schools in San Joaquin County.
allk12 grades Joseph Widmer Jr. Elementary a D. The grade compares the school only with California public elementary schools, because each state gives its own test.
After accounting for student poverty, Joseph Widmer Jr. Elementary is in the bottom 10% of California schools. Its average proficiency rate on state tests of 24.7% is 17.1 points below the 41.8% predicted for its lunch-eligibility share.
San Joaquin County has about 797,334 residents, and median household income is about $92,179, about 23% of adults have at least a bachelor's degree, and roughly 10% of residents are in poverty. Federal data list 251 public schools in San Joaquin County, with a combined enrollment of about 153,026.
The next-closest public school is Lathrop Elementary, about 1.3 miles away. In all, at least 8 other public schools sit within five miles of Joseph Widmer Jr. Elementary. On proficiency, Joseph Widmer Jr. Elementary is behind the 30.8% nearby average, ranking 6th of 8.
In the federal locale system, Joseph Widmer Jr. Elementary is coded Suburb: Large, for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
A comparison of 2020-21 and 2024-25 shows enrollment up 25%, from 737 to 923.
The allk12 site hosts a discussion page for Joseph Widmer Jr. Elementary covering things like enrollment questions, class placement, and PTA news. Posting is open to anyone connected to the school.
San Joaquin County at a glance
View full county profilePopulation
797,334
Census ACS
Median income
$92,179
Household, ACS
Bachelor's+
23%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
251
153,026 students
Quick facts
Related schools
Other schools in Manteca Unified
- Manteca HighHigh · 1,907 students
- Sierra HighHigh · 1,670 students
- East Union HighHigh · 1,524 students
- Lathrop HighHigh · 1,486 students
- Veritas ElementaryElementary · 1,266 students
- Nile Garden ElementaryElementary · 1,221 students
Other schools in Lathrop
- Lathrop HighHigh · 1,486 students
- Mossdale ElementaryElementary · 1,087 students
- EPIC AcademyElementary · 1,025 students
- Lathrop ElementaryElementary · 1,000 students
- River Islands Technology Academy IIElementary · 954 students
- NextGeneration STEAM AcademyElementary · 797 students
Nearby schools
- Lathrop Elementary1.3 mi · 1,000
- Lathrop High1.5 mi · 1,486
- George McParland Elementary2.3 mi · 1,195
- Stella Brockman Elementary2.7 mi · 833
- East Union High2.7 mi · 1,524
- Mossdale Elementary2.9 mi · 1,087
Frequently asked questions
About Joseph Widmer Jr. ElementaryWhat is the total enrollment at Joseph Widmer Jr. Elementary?
Joseph Widmer Jr. Elementary enrolls approximately 923 students in grades KG-08.
What age range does Joseph Widmer Jr. Elementary serve?
Joseph Widmer Jr. Elementary serves students from grade KG through grade 08.
How many teachers does Joseph Widmer Jr. Elementary have?
Joseph Widmer Jr. Elementary employs 38 FTE teachers, for a student-to-teacher ratio of 24.5:1.
How diverse is Joseph Widmer Jr. Elementary?
Joseph Widmer Jr. Elementary reports a student body of 8% White, 46% Hispanic, 6% Black, 33% Asian, 4% Two or more.
What district is Joseph Widmer Jr. Elementary in?
Joseph Widmer Jr. Elementary is part of Manteca Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.