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#6200 of 9,539 schools in CA

Sumner Elementary

Elementary School · Claremont Unified · Claremont, CA

A Claremont Unified elementary school where students score 6 points below what's typical for similar communities.

1770 Sumner Ave., Claremont, CA 91711

  • Math 44% vs CA 38% (2024)
  • Reading 44% vs CA 45% (2024)
  • 22.1:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress4.7Below Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data12
Annual Change-1.84 pts/yr
Data Period2009–2024
TrendDeclining
Academics6.6Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency43.9% (2024 CAASPP)
Reading/ELA Proficiency44.3% (2024 CAASPP)
Math vs. State Avg-1.8 pts
Reading vs. State Avg+1.5 pts
Overall Proficiency44% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)50% (model expectation from 2024 CAASPP)
vs. Expected-5.7 pts
Adjusted Percentile51th
Resources & Environment6.5Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio22.1:1
District spending per student$16,065
Chronic Absenteeism22.2%

Students at Sumner Elementary score 44% proficient, which is below what's typical for similar communities (expected: 50%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency44%(2024 CAASPP)
School
State
38%(2024 CAASPP)
ELA Proficiency44%(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 44% recently.

Show all 12 years
2009
Math
62%
ELA
64%
2010
Math
63%
ELA
66%
2011
Math
65%
ELA
67%
2012
Math
68%
ELA
67%
2014
Math
36%
ELA
53%
2015
Math
36%
ELA
50%
2016
Math
38%
ELA
49%
2017
Math
39%
ELA
52%
2018
Math
43%
ELA
49%
2019
Math
43%
ELA
49%
2022
Math
38%
ELA
39%
2024
Math
44%
ELA
44%

Multi-year averages used by the rating model: math 47% (multi-year average, 2009-2024) · reading/ELA 52% (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

43.7%

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 Sumner 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 35Car-Dependent
  • Bike 50Bikeable
  • City Safety: High2,433/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Claremont), 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

$121,970

Median home value

$870,300

Median rent

$2,135/mo

College educated

59.3%

Homeownership

66%

Poverty rate

5.7%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 91711; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Danbury Special EducationEnrollment path unverified2.7K–80.1 mi39Compare →
Haynes Education CenterPrivate · tuition6.3privateK–120.7 mi87Compare →
Icc Community SchoolPrivate · tuitionNot ratedK–80.7 mi49Compare →
Leroy Haynes Educational CenterPrivate · tuition6.6private1–120.7 mi140Compare →

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.

Claremont Unified

Schools in district
11
Rank in district
#7 of 11
District spending per student
$16,065NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
7.4%Census SAIPE · 2024

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

About Sumner Elementary

Sumner Elementary is a public elementary school in Claremont, CA, part of Claremont Unified, serving approximately 442 students in grades Kindergarten-6th with a 22.1:1 student-teacher ratio. It holds a MySchoolScout rating of 5.6 out of 10 and ranks #6,200 of 9,539 schools in CA. State assessment records show 47% math proficiency (multi-year average, 2009-2024) and 52% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Sumner Elementary

What grades does Sumner Elementary serve?

Sumner Elementary serves students in grades Kindergarten through 6th.

How many students attend Sumner Elementary?

Sumner Elementary has an enrollment of approximately 442 students.

What is the student-teacher ratio at Sumner Elementary?

The student-teacher ratio at Sumner Elementary is 22.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Sumner Elementary rank in CA?

Sumner Elementary ranks #6,200 of 9,539 schools in CA.

What is Sumner Elementary's MySchoolScout rating?

Sumner Elementary has a current MySchoolScout rating of 5.6 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 Sumner Elementary?

Based on loaded state assessment records, Sumner Elementary has 47% math proficiency (multi-year average, 2009-2024) and 52% reading/ELA proficiency (multi-year average, 2009-2024).

Is Sumner Elementary a charter school?

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

Is Sumner Elementary a Title I school?

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

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

43.7% of students at Sumner 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
442
Student-Teacher Ratio
22.1:1
Teachers (FTE)
20
Type
regular
Setting
Large Suburb
County
Los Angeles County
Chronic Absenteeism (SY 2022-23)
22.2%
Area population (ZIP 91711)
37,538
Area average commute
27.4 min
Area median age
40.4
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 91711; this does not measure the attendance area.

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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