Average
#6200 of 9,539 schools in CA
Sumner Elementary
Elementary School · Claremont Unified
1770 Sumner Ave., Claremont, CA 91711
Enrollment
442
Student-Teacher
22.1:1
Score
5.6
Grades
Kindergarten – 6th
Enrollment
442
Student-Teacher
22.1:1
Score
5.6
Grades
Kindergarten – 6th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#6,200 of 9,539
In Claremont
#7 of 11
public schools
In district
#7 of 11
Claremont Unified
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Sumner Elementary
Elementary School in Claremont · grades Kindergarten – 6th. Start here, then compare fit against nearby and district options.
Danbury Special Education
0.1 mi away. Use as a geographic alternative in the same move search.
The Webb Schools
0.5 mi away. Use as a geographic alternative in the same move search.
About Sumner Elementary
Sumner Elementary is a public elementary school in Claremont, CA, part of Claremont Unified. Sumner Elementary serves approximately 442 students, and covers grades Kindergarten-6th, and has a 22.1:1 student-teacher ratio. Sumner Elementary has a current MySchoolScout rating of 5.6 out of 10 and ranks #6,200 of 9,539 schools in CA.
Structured state assessment records for Sumner Elementary show 47% math proficiency (multi-year average, 2009-2024) and 52% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 5.6 · Average
- District avg 5.8
- CA avg 6.2
What Parents Should Know
Sumner Elementary runs 22.1:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Sumner Elementary — Students at Sumner Elementary score 44% proficient, which is below what's typical for similar communities (expected: 50%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
43.7%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 32 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 4.7/10.
How Sumner Elementary Compares
See how Sumner Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
1770 Sumner Ave., Claremont, CA 91711
Nearby Alternatives
Families considering Sumner Elementary may also want to explore other elementary schools in the area. FOOTHILL COUNTRY DAY SCHOOL (rated 6.9/10, 1.2 miles away), which scores notably higher. Another option is Condit Elementary (rated 6.3/10, 0.8 miles away), which scores slightly higher. Additionally, Harrison Elementary (rated 5.5/10, 1.2 miles away, in nearby Pomona), with a very similar rating. For more schools in Claremont, see our Claremont schools guide .
Nearby Schools
20 within 1.7 mi| School | Distance | Rating |
|---|---|---|
| Danbury Special Education Claremont | 0.1 mi | 2.7 |
| The Webb Schools Claremont | 0.5 mi | — |
| THE WEBB SCHOOLS Claremont | 0.5 mi | 8.6 |
| ICC Community School Pomona | 0.7 mi | — |
| LEROY HAYNES EDUCATIONAL CENTER La Verne | 0.7 mi | 6.6 |
| HAYNES EDUCATION CENTER La Verne | 0.7 mi | 6.3 |
| Haynes Family of Programs dba Bliss Academy La Verne | 0.7 mi | — |
| City of Knowledge Pomona | 0.8 mi | — |
| CITY OF KNOWLEDGE SCHOOL Pomona | 0.8 mi | 7.7 |
| Academy of Sports Science Claremont | 0.8 mi | — |
| Condit Elementary Claremont | 0.8 mi | 6.3 |
| Mountain View Elementary Claremont | 1.0 mi | 5.0 |
| Harrison Elementary Pomona | 1.2 mi | 5.5 |
| FOOTHILL COUNTRY DAY SCHOOL Claremont | 1.2 mi | 6.9 |
| Foothill Country Day School Claremont | 1.2 mi | — |
| LUTHERAN HIGH SCHOOL La Verne | 1.1 mi | 8.2 |
| El Roble Intermediate Claremont | 1.3 mi | 7.9 |
| Claremont High Claremont | 1.2 mi | 7.8 |
| Bonita High San Dimas | 1.5 mi | 8.1 |
| American Christian Military Academy Of Excellence Claremont | 1.7 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 91711 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$121,970
Median Home Value
$870,300
Median Rent
$2,135/mo
Population
37,538
College Educated
59.3%
Homeownership
66%
Avg Commute
27.4 min
Poverty Rate
5.7%
Median Age
40.4
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Aliso Elementary Carpinteria, CA | 5.6 |
| Anderson Heights Elementary Anderson, CA | 5.6 |
| Arbuckle Elementary Arbuckle, CA | 5.6 |
| BETHEL CHRISTIAN SCHOOL Redding, CA | 5.6 |
| Camino Elementary Camino, CA | 5.6 |
| Carmela Elementary Whittier, CA | 5.6 |
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.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 6th
- Enrollment
- 442
- Student-Teacher Ratio
- 22.1:1
- Teachers (FTE)
- 20
- Free/Reduced Lunch
- 43.7%
- Type
- regular
- Setting
- Large Suburb
- County
- Los Angeles County
- Chronic Absenteeism (SY 2022-23)
- 22.2%
- Phone
- (909) 398-0320
Resources & Links
District
Claremont Unified- District Enrollment
- 6,261
- Schools in District
- 11
- Per-Pupil Spending
- $16,065
- District Rank
- #7 of 11
Other Schools in This District
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