Excellent
#543 of 9,539 schools in CA
Top 6% in state
Oster Elementary
Elementary School · Union Elementary
1855 Lencar Way, San Jose, CA 95124
Enrollment
627
Student-Teacher
24.1:1
Score
8.8
Grades
Kindergarten – 5th
Enrollment
627
Student-Teacher
24.1:1
Score
8.8
Grades
Kindergarten – 5th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#543 of 9,539
In San Jose
#16 of 223
public schools
In district
#2 of 8
Union Elementary
Equity
9.6 / 10
Excellent
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Oster Elementary
Elementary School in San Jose · grades Kindergarten – 5th. Start here, then compare fit against nearby and district options.
One World Montessori School Inc. Leigh
0.1 mi away. Use as a geographic alternative in the same move search.
Early Childhood Learning Academy
0.1 mi away. Use as a geographic alternative in the same move search.
About Oster Elementary
Oster Elementary is a public elementary school in San Jose, CA, part of Union Elementary. Oster Elementary serves approximately 627 students, and covers grades Kindergarten-5th, and has a 24.1:1 student-teacher ratio. Oster Elementary has a current MySchoolScout rating of 8.8 out of 10 and ranks #543 of 9,539 schools in CA.
Structured state assessment records for Oster Elementary show 80% math proficiency (multi-year average, 2009-2024) and 80% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 8.8 · Excellent
- District avg 7.9
- CA avg 6.2
What Parents Should Know
Oster Elementary runs 24.1:1 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
Oster Elementary — Students at Oster Elementary score 80% proficient, which is above what's typical for similar communities (expected: 69%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
9.7%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 30 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.3/10.
How Oster Elementary Compares
See how Oster Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
1855 Lencar Way, San Jose, CA 95124
Nearby Alternatives
Families considering Oster Elementary may also want to explore other elementary schools in the area. Steindorf STEAM K-8 Magnet (rated 9.1/10, 0.7 miles away), with a very similar rating. Another option is ST FRANCES CABRINI CATHOLIC SCHOOL (rated 8.0/10, 0.9 miles away), with a comparable rating. Additionally, Noddin Elementary (rated 7.4/10, 1.3 miles away), a more accessible option. For more schools in San Jose, see our San Jose schools guide .
Nearby Schools
20 within 1.1 mi| School | Distance | Rating |
|---|---|---|
| ONE WORLD MONTESSORI SCHOOL INC. LEIGH San Jose | 0.1 mi | — |
| EARLY CHILDHOOD LEARNING ACADEMY San Jose | 0.1 mi | 4.4 |
| CHALLENGER SCHOOL-HARWOOD San Jose | 0.6 mi | 6.9 |
| STRATFORD MIDDLE SCHOOL San Jose | 0.6 mi | 5.7 |
| Challenger - Harwood San Jose | 0.7 mi | — |
| Steindorf STEAM K-8 Magnet San Jose | 0.7 mi | 9.1 |
| Sartorette Charter San Jose | 0.6 mi | 6.4 |
| LEARNING SPRINGS ACADEMY San Jose | 0.9 mi | — |
| Learning Springs Academy San Jose | 0.9 mi | — |
| Casa di Mir Montessori Elementary School San Jose | 0.8 mi | — |
| Leigh High San Jose | 0.9 mi | 8.2 |
| Stratford School Los Gatos Los Gatos | 1.1 mi | — |
| Fammatre Elementary San Jose | 1.1 mi | 6.1 |
| St. Frances Cabrini Elementary School San Jose | 0.9 mi | — |
| ST FRANCES CABRINI CATHOLIC SCHOOL San Jose | 0.9 mi | 8.0 |
| Price Charter Middle San Jose | 1.2 mi | 7.5 |
| Noddin Elementary San Jose | 1.3 mi | 7.4 |
| Union Middle San Jose | 1.2 mi | 8.9 |
| LEARNING PATHWAYS KINDERGARTEN San Jose | 1.1 mi | 6.4 |
| Learning Pathways Kindergarten San Jose | 1.1 mi | — |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 95124 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$188,433
Median Home Value
$1,596,700
Median Rent
$2,936/mo
Population
51,991
College Educated
60.9%
Homeownership
72.1%
Avg Commute
27.8 min
Poverty Rate
4%
Median Age
39.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Alta California Elementary Panorama City, CA | 8.8 |
| Bollinger Canyon Elementary San Ramon, CA | 8.8 |
| Brookvale Elementary Fremont, CA | 8.8 |
| Calabash Charter Academy Woodland Hills, CA | 8.8 |
| Caleb Greenwood Elementary Sacramento, CA | 8.8 |
| Canyon Vista Elementary Aliso Viejo, CA | 8.8 |
Frequently Asked Questions
Common questions about Oster Elementary
What grades does Oster Elementary serve?
Oster Elementary serves students in grades Kindergarten through 5th.
How many students attend Oster Elementary?
Oster Elementary has an enrollment of approximately 627 students.
What is the student-teacher ratio at Oster Elementary?
The student-teacher ratio at Oster Elementary is 24.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Oster Elementary rank in CA?
Oster Elementary ranks #543 of 9,539 schools in CA.
What is Oster Elementary's MySchoolScout rating?
Oster Elementary has a current MySchoolScout rating of 8.8 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 Oster Elementary?
Based on loaded state assessment records, Oster Elementary has 80% math proficiency (multi-year average, 2009-2024) and 80% reading/ELA proficiency (multi-year average, 2009-2024).
Is Oster Elementary a charter school?
No, Oster Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Oster Elementary a Title I school?
No, Oster Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Oster Elementary?
9.7% of students at Oster 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 – 5th
- Enrollment
- 627
- Student-Teacher Ratio
- 24.1:1
- Teachers (FTE)
- 26
- Free/Reduced Lunch
- 9.7%
- Type
- regular
- Setting
- Large City
- County
- Santa Clara County
- Chronic Absenteeism (SY 2022-23)
- 9.4%
- Phone
- (408) 266-8121
Resources & Links
District
Union Elementary- District Enrollment
- 5,371
- Schools in District
- 8
- Per-Pupil Spending
- $16,087
- District Rank
- #2 of 8
Other Schools in This District
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