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#5216 of 9,539 schools in CA

Walter Zimmerman Elementary

Elementary School · Colton Joint Unified · Bloomington, CA

A Colton Joint Unified elementary school where students score 5 points above what's typical for similar communities.

11050 Linden Ave., Bloomington, CA 92316

  • Math 19% vs CA 38% (2024)
  • Reading 35% vs CA 45% (2024)
  • 22.9:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress6.5Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data12
Annual Change-1.3 pts/yr
Data Period2009–2024
TrendDeclining
Academics6.1Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency18.7% (2024 CAASPP)
Reading/ELA Proficiency34.9% (2024 CAASPP)
Math vs. State Avg-27 pts
Reading vs. State Avg-7.9 pts
Overall Proficiency27% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)22% (model expectation from 2024 CAASPP)
vs. Expected+5.0 pts
Adjusted Percentile45th
Resources & Environment5.0Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio22.9:1
District spending per student$18,938
Chronic Absenteeism38.4%

Students at Walter Zimmerman Elementary score 27% proficient, which is above what's typical for similar communities (expected: 22%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency19%(2024 CAASPP)
School
State
38%(2024 CAASPP)
ELA Proficiency35%(2024 CAASPP)
School
State
45%(2024 CAASPP)

Trend

↓ Declining

Proficiency has fallen 10 points since 2018, to 27% in 2024, across a 16-year record (2009–2024).

Show all 12 years
2009
Math
37%
ELA
35%
2010
Math
53%
ELA
40%
2011
Math
60%
ELA
46%
2012
Math
62%
ELA
47%
2014
Math
12%
ELA
31%
2015
Math
17%
ELA
37%
2016
Math
25%
ELA
38%
2017
Math
26%
ELA
39%
2018
Math
31%
ELA
43%
2019
Math
31%
ELA
43%
2022
Math
15%
ELA
37%
2024
Math
19%
ELA
35%

Multi-year averages used by the rating model: math 29% (multi-year average, 2009-2024) · reading/ELA 38% (multi-year average, 2009-2024)

Based on 32 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

93.3%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Walter Zimmerman Elementary sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 29Car-Dependent
  • Bike 36Somewhat Bikeable
  • County Safety: Low231/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details

Source period: 2024. A newer release may be available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$82,117

Median home value

$448,200

Median rent

$1,450/mo

College educated

10.6%

Homeownership

69.1%

Poverty rate

13.4%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 92316; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Crestmore ElementaryEnrollment path unverified6.6K–60.6 mi611Compare →
Sycamore Hills ElementaryEnrollment path unverified5.2K–61.4 mi580Compare →
Ruth Grimes ElementaryEnrollment path unverified8.3K–61.6 mi600Compare →
Kiddie Academy of FontanaPrivate · tuitionNot ratedPK–K1.8 mi24Compare →

Distance is proximity only; it is not attendance eligibility.

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

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Colton Joint Unified

Schools in district
28
Rank in district
#11 of 27
District spending per student
$18,938NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
16.5%Census SAIPE · 2024

Walter Zimmerman Elementary is listed in Colton Joint Unified; a district label does not verify attendance for an address.

About Walter Zimmerman Elementary

Walter Zimmerman Elementary is a public elementary school in Bloomington, CA, part of Colton Joint Unified, serving approximately 526 students in grades Kindergarten-6th with a 22.9:1 student-teacher ratio. It holds a MySchoolScout rating of 6.1 out of 10 and ranks #5,216 of 9,539 schools in CA. State assessment records show 29% math proficiency (multi-year average, 2009-2024) and 38% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Walter Zimmerman Elementary

What grades does Walter Zimmerman Elementary serve?

Walter Zimmerman Elementary serves students in grades Kindergarten through 6th.

How many students attend Walter Zimmerman Elementary?

Walter Zimmerman Elementary has an enrollment of approximately 526 students.

What is the student-teacher ratio at Walter Zimmerman Elementary?

The student-teacher ratio at Walter Zimmerman Elementary is 22.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Walter Zimmerman Elementary rank in CA?

Walter Zimmerman Elementary ranks #5,216 of 9,539 schools in CA.

What is Walter Zimmerman Elementary's MySchoolScout rating?

Walter Zimmerman Elementary has a current MySchoolScout rating of 6.1 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 Walter Zimmerman Elementary?

Based on loaded state assessment records, Walter Zimmerman Elementary has 29% math proficiency (multi-year average, 2009-2024) and 38% reading/ELA proficiency (multi-year average, 2009-2024).

Is Walter Zimmerman Elementary a charter school?

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

Is Walter Zimmerman Elementary a Title I school?

No, Walter Zimmerman Elementary is not currently a Title I school.

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

93.3% of students at Walter Zimmerman 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 factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 6th
Enrollment
526
Student-Teacher Ratio
22.9:1
Teachers (FTE)
23
Type
regular
Setting
Large Suburb
County
San Bernardino County
Chronic Absenteeism (SY 2022-23)
38.4%
Area population (ZIP 92316)
31,909
Area average commute
31.7 min
Area median age
33.3
About this school's data

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

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 · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 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 · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · 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 92316; 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, 2009-2024; directory SY 2023–24

About our data · How we calculate scores

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