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Public elementary school · Charter Oak Unified · Glendora, California

Willow Elementary

Willow Elementary rates 7.2, among the strongest elementary schools in Charter Oak Unified, where the rated median is 5.7.

Elementary schools, 1 to 10This campus against public elementary schools around it that are rated on verified state test data.
7.2this school

7.2 on a one-to-ten scale; the Charter Oak Unified median is 5.7.

#2,835 of 9,557 schools in California · Charter Oak Unified: 5 elementary schools rated, median 5.7

The brief

A Charter Oak Unified elementary school where students score 19 points above what's typical for similar communities.

It ranks 2,835 of 9,557 schools in California and 4 of 9 in Charter Oak Unified.

Willow Elementary is listed in Charter Oak Unified, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.

Math54%14 points above the California average of 40%2025 CAASPP
Reading61%14 points above the California average of 47%2025 CAASPP
Proficiency declined earlier in the 17-year record (2009–2025), then recovered 9 points since 2019, reaching 57% in 2025.2025 CAASPP; 44 test records from CA state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
6.5
50% of the rating
Academics
9.0
30% of the rating
Resources & Environment
6.4
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 3/3 metrics

Multi-year averages used by the rating model: math 58% (multi-year average, 2009-2025) · reading/ELA 60% (multi-year average, 2009-2025).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 91740; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Willow Elementary and the 20 nearest elementary schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$98,819
Median home value
$702,000
Median rent
$2,226/mo
College educated
31%
Homeownership
64.4%
Poverty rate
10.5%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91740; this is area context, not an attendance boundary.

Getting around

Walk Score
67
Somewhat Walkable
Transit Score
28
Some Transit
Bike Score
48
Somewhat Bikeable
City reported crime
1,661/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Glendora. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (Glendora), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

Gifted and talented
Available
A program for qualifying students · CRDC via Urban Institute · SY 2021–22

Who goes here

Free or reduced lunch
68%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. 7.8Compare →
  2. 7.6Compare →
  3. Willow Elementarythis school
    7.2
  4. 6.3Compare →
  5. 6.2Compare →
  6. 5.7Compare →
  7. 4.4Compare →
  8. 3.9Compare →
  9. not ratedCompare →
Eight grade-compatible schools using the same rating model sit within 5 miles, and two rate higher than Willow Elementary among the rated peers.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

Questions families ask

What grades does Willow Elementary serve?

Willow Elementary serves students in grades Kindergarten through 6th.

How many students attend Willow Elementary?

Willow Elementary has an enrollment of approximately 356 students.

What is the student-teacher ratio at Willow Elementary?

The student-teacher ratio at Willow Elementary is 22.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Willow Elementary rank in CA?

Willow Elementary ranks #2,835 of 9,557 schools in CA.

What is Willow Elementary's MySchoolScout rating?

Willow Elementary has a current MySchoolScout rating of 7.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Willow Elementary?

Based on loaded state assessment records, Willow Elementary has 58% math proficiency (multi-year average, 2009-2025) and 60% reading/ELA proficiency (multi-year average, 2009-2025).

Is Willow Elementary a charter school?

No, Willow Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Willow Elementary a Title I school?

No, Willow Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Willow Elementary?

68.0% of students at Willow Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School facts

Grades
Kindergarten – 6th
Enrollment
356
Student-teacher ratio
22.2:1
Teachers (FTE)
16
Type
Regular
Title I
No
Setting
Large Suburb
County
Los Angeles County
Rank in district
#4 of 9
Schools in district
10
District spending per student
$17,633
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
10.4%
Census SAIPE · 2024
Area population (ZIP 91740)
26,160
Area average commute
32 min
Area median age
38.7

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.