Enrollment
388
California · 2024-25 NCES data
Elementary school (grades K-5) · Glendora, CA
Willow Elementary
Federal NCES profile for Willow Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060819000807
👥 S:T ratio 14
🌟 Gifted program 70
📋 Attendance 47
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Willow Elementary earns 43/100 on the Resource Investment Index, with class sizes near the California median.
- #1 of 7
- elementary schools in Glendora · Resource Index
- 43
- Resource Index · Typical
- 21.6:1
- students per teacher
- 49.6%
- free-lunch eligible
Willow Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Willow Elementary ranks #1 of 7 elementary schools in Glendora, CA.
School address
District: Charter Oak Unified · California
NCES ID 060819000807 Verify on NCES CCD record →
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
21.6:1
vs 21.5:1 California avg
+0% vs state
Free-lunch eligible
49.6%
vs 55.5% California avg
-11% vs state
Student-teacher ratio in context
How Willow Elementary compares with California and U.S. medians
What stands out at Willow Elementary
Willow Elementary is a mid-sized elementary school in Glendora, California, enrolling 388 students.
At 21.6:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 49.6% of students eligible for free meals.
With 388 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Among 1,257 similarly sized, similarly resourced-need California schools statewide, it ranks #99, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (64%) and White (16%) (diversity index 54/100).
Attendance runs somewhat below the norm, with 21.4% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 16.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Glendora's elementary schools, it stands alongside La Fetra Elementary (613 students): Willow Elementary is smaller than that campus by headcount and runs leaner classes (21.6:1 vs 27.9:1).
Charter Oak Unified also operates Charter Oak High (1,259 students) and Royal Oak Middle (610 students) alongside Willow 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 Willow Elementary compares
Willow 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 | 21.6:1 | ▲ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 49.6% | ▼ 11% | 55.5% | 51.7% |
| Enrollment | 388 | top 62% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.6:1
Leaner classes than 11% of US schools, heavier class loads than most.
388
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
49.6%
free-lunch eligible
- 11% 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
21.6:1
students per teacher
- 0% above state mean
Top 49% in California - lower ratio than 51% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
21.4%
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
$15,505
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints 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 + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 64.4%
White 16.2%
Asian 12.1%
African American 3.6%
Two or More 3.1%
American Indian / Alaska Native 0.5%
Largest group: Hispanic or Latino at 64.4% of enrollment.
Student-body diversity index 54.2/100
Simpson diversity index - at 54.2, Willow Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Charter Oak Unified, which includes Willow Elementary.
$15,505
Per student
-6%
vs California
Avg $16,509
-7%
vs U.S.
Avg $16,593
Revenue mix
Local 28.2%
State 55.5%
Federal 16.3%
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 Willow Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Charter Oak High | Larger | Similar economic need | Similar S:T ratio |
| Royal Oak Middle | Larger | Similar economic need | Lower S:T ratio |
| Cedargrove Elementary | Larger | Higher economic need | Higher S:T ratio |
| Badillo Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Glen Oak Elementary | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Willow Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,259
- Students per teacher
- 21.7:1
- Resource Index
- 38/100
- Enrollment
- 610
- Students per teacher
- 19.7:1
- Resource Index
- 35/100
- Enrollment
- 569
- Students per teacher
- 24.7:1
- Resource Index
- 27/100
- Enrollment
- 442
- Students per teacher
- 22.1:1
- Resource Index
- 38/100
- Enrollment
- 428
- Students per teacher
- 22.5:1
- Resource Index
- 23/100
Similar elementary schools in Glendora
6 comparable elementary schools (grades K-5) serving the same city.
La Fetra Elementary
Standard public school
613 students 27.9:1 students per teacher
Cullen Elementary
Standard public school
569 students 24.7:1 students per teacher
Stanton Elementary
Standard public school
551 students 24:1 students per teacher
Sellers Elementary
Standard public school
545 students 24.8:1 students per teacher
Sutherland Elementary
Standard public school
488 students 24.4:1 students per teacher
Washington Elementary
Standard public school
421 students 28.1:1 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 (~388 students)
Similar student-teacher ratio (~21.6:1)
Next steps
Verify locally before acting on Willow Elementary's federal record.
- Compare Willow Elementary against another school. Compare schools
- Charter Oak 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 Willow Elementary
How many students attend Willow Elementary?
Willow Elementary has 388 students enrolled. It is an elementary school in Glendora, CA.
What is the student-teacher ratio at Willow Elementary?
The student-teacher ratio at Willow Elementary is 21.6:1, which is 0% higher than the California average of 21.5:1 and 38% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Willow Elementary?
49.6% of students at Willow Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Willow Elementary?
The largest demographic group at Willow Elementary is Hispanic or Latino at 64.4% of enrollment, in Glendora, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.2/100.
What is the Resource Investment Index for Willow Elementary?
Willow Elementary has a Resource Investment Index of 43/100 (typical 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 Willow Elementary rank among elementary schools in Glendora?
By Resource Investment Index, Willow Elementary ranks #1 of 7 elementary schools in Glendora, 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 Glendora on the city page.
Is Willow Elementary a good school?
Willow Elementary earns 43/100 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 Charter Oak Unified?
Besides Willow Elementary, Charter Oak Unified also operates Charter Oak High (1,259 students), Royal Oak Middle (610 students), and Cedargrove Elementary (569 students). See the Charter Oak 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.