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#5597 of 9,539 schools in CA

Gladstone Elementary

Elementary School · Bonita Unified · San Dimas, CA

A Bonita Unified elementary school where students score 13 points above what's typical for similar communities.

115 West Allen Ave., San Dimas, CA 91773

  • Math 63% vs CA 39% (2024)
  • Reading 63% vs CA 45% (2024)
  • 22.7:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress4.4Below Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data12
Annual Change-1.92 pts/yr
Data Period2009–2024
TrendDeclining
Academics9.0Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency63.3% (2024 CAASPP)
Reading/ELA Proficiency62.5% (2024 CAASPP)
Math vs. State Avg+17.6 pts
Reading vs. State Avg+19.7 pts
Overall Proficiency63% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)50% (model expectation from 2024 CAASPP)
vs. Expected+12.7 pts
Adjusted Percentile84th
Resources & Environment5.0Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio22.7:1
District spending per student$14,544
Chronic Absenteeism24.9%

Students at Gladstone Elementary score 63% proficient, which is above what's typical for similar communities (expected: 50%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency63%(2024 CAASPP)
School
State
39%(2024 CAASPP)
ELA Proficiency63%(2024 CAASPP)
School
State
45%(2024 CAASPP)

Trend

→ Steady

Proficiency is down 19 points across the 16-year record (2009–2024) and has held near 63% recently.

Show all 12 years
2009
Math
90%
ELA
74%
2010
Math
92%
ELA
78%
2011
Math
94%
ELA
78%
2012
Math
90%
ELA
79%
2014
Math
56%
ELA
64%
2015
Math
59%
ELA
65%
2016
Math
65%
ELA
67%
2017
Math
66%
ELA
73%
2018
Math
63%
ELA
68%
2019
Math
63%
ELA
68%
2022
Math
50%
ELA
55%
2024
Math
63%
ELA
63%

Multi-year averages used by the rating model: math 69% (multi-year average, 2009-2024) · reading/ELA 68% (multi-year average, 2009-2024)

Based on 30 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

43%

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 Gladstone Elementary sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Los Angeles map →

Getting around & local context

  • Walk 74Very Walkable
  • Bike 50Bikeable
  • City Safety: High2,574/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (San Dimas), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

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

Median income

$105,926

Median home value

$754,700

Median rent

$2,232/mo

College educated

40.4%

Homeownership

71.3%

Poverty rate

9.2%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91773; 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
Willow ElementaryEnrollment path unverified6.6K–60.4 mi356Compare →
Arrow Montessori School of San DimasPrivate · tuitionNot ratedK–60.6 mi27Compare →
Arrow Montessori School of San DimasPrivate · tuition6.2privatePK–80.6 mi46Compare →
Dove Day School- Educational Programs- Inc.Private · tuitionNot ratedK–30.7 mi14Compare →

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.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Bonita Unified

Schools in district
15
Rank in district
#13 of 13
District spending per student
$14,544NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
7.3%Census SAIPE · 2024

Gladstone Elementary is listed in Bonita Unified; a district label does not verify attendance for an address.

About Gladstone Elementary

Gladstone Elementary is a public elementary school in San Dimas, CA, part of Bonita Unified, serving approximately 523 students in grades Kindergarten-5th with a 22.7:1 student-teacher ratio. It holds a MySchoolScout rating of 5.9 out of 10 and ranks #5,597 of 9,539 schools in CA. State assessment records show 69% math proficiency (multi-year average, 2009-2024) and 68% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Gladstone Elementary

What grades does Gladstone Elementary serve?

Gladstone Elementary serves students in grades Kindergarten through 5th.

How many students attend Gladstone Elementary?

Gladstone Elementary has an enrollment of approximately 523 students.

What is the student-teacher ratio at Gladstone Elementary?

The student-teacher ratio at Gladstone Elementary is 22.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Gladstone Elementary rank in CA?

Gladstone Elementary ranks #5,597 of 9,539 schools in CA.

What is Gladstone Elementary's MySchoolScout rating?

Gladstone Elementary has a current MySchoolScout rating of 5.9 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 Gladstone Elementary?

Based on loaded state assessment records, Gladstone Elementary has 69% math proficiency (multi-year average, 2009-2024) and 68% reading/ELA proficiency (multi-year average, 2009-2024).

Is Gladstone Elementary a charter school?

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

Is Gladstone Elementary a Title I school?

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

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

43.0% of students at Gladstone 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 – 5th
Enrollment
523
Student-Teacher Ratio
22.7:1
Teachers (FTE)
23
Type
regular
Setting
Large Suburb
County
Los Angeles County
Chronic Absenteeism (SY 2022-23)
24.9%
Area population (ZIP 91773)
33,917
Area average commute
31.9 min
Area median age
42.7
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 91773; 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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