Very Good
#1596 of 9,533 schools in CA
Top 17% in state
Oster Elementary
Elementary School · Union Elementary
1855 Lencar Way, San Jose, CA 95124
Enrollment
627
Student-Teacher
24.1:1
Score
7.9
Grades
Kindergarten – 5th
Enrollment
627
Student-Teacher
24.1:1
Score
7.9
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In San Jose
#30 of 223
public schools
California elementary schools
#1,123 of 5,817
In district
#1 of 8
Union Elementary
Equity
9.6 / 10
Exceptional
About Oster Elementary
Oster Elementary serves 627 students in grades kindergarten through fifth in San Jose, California, earning recognition as one of the state's top-performing elementary schools. With a MySchoolScout rating of 8.5 out of 10 and ranking in the 94th percentile statewide, the school demonstrates exceptional academic achievement across all grade levels. The school's academic excellence is evident in its standardized test results, with 80% of students performing at proficient or above levels in both English Language Arts and mathematics.
This strong performance reflects the dedication of 26 full-time equivalent teachers who maintain a student-teacher ratio of 24.1 to 1, ensuring students receive quality instruction and support. Oster Elementary is located in the 95124 ZIP code area, a well-established neighborhood where families prioritize education and community engagement. The surrounding community features a median household income of $178,058 and a highly educated population, with 59% of residents holding bachelor's degrees or higher.
The low poverty rate of 4.4% contributes to a stable learning environment that supports student success. The school operates in San Jose's dynamic urban environment, providing students with access to the educational and cultural opportunities that come with being part of California's third-largest city while maintaining the focused, community-centered atmosphere that makes elementary education effective.
What Parents Should Know
The student-teacher ratio at Oster Elementary is 24.1:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
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Oster Elementary — Students at Oster Elementary score 80% proficient, which is above what's typical for similar communities (expected: 70%).
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 10 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: 8.5/10.
How Oster Elementary Compares
See how Oster Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 78% (2019) to 80.25% (2024). Reading/ELA proficiency has remained stable from 79% (2019) to 79.55% (2024).
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. ST FRANCES CABRINI CATHOLIC SCHOOL (rated 8.0/10, 0.9 miles away), with a very similar rating. Another option is Sartorette Charter (rated 7.8/10, 0.6 miles away), with a very similar rating. Additionally, Steindorf STEAM K-8 Magnet (rated 7.5/10, 0.7 miles away), with a comparable rating. 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 | 7.5 |
| Sartorette Charter San Jose | 0.6 mi | 7.8 |
| 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 | 4.4 |
| 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 | 7.2 |
| Noddin Elementary San Jose | 1.3 mi | 6.0 |
| Union Middle San Jose | 1.2 mi | 7.7 |
| 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
Community Profile
The community surrounding Oster Elementary has a median household income of $188,433. It is a well-educated community where 61% of adults hold a bachelor's degree or higher. The median home value in the area is $1,596,700, with a median rent of $2,936/month. The local poverty rate of 4.0% is relatively low. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Ayer Elementary Fresno, CA | 7.9 |
| Birney Elementary Redondo Beach, CA | 7.9 |
| Boulder Creek Elementary Redding, CA | 7.9 |
| Captain Leland Norton Elementary San Bernardino, CA | 7.9 |
| Carroll Elementary Elk Grove, CA | 7.9 |
| Carver (Charles J.) Elementary Cerritos, CA | 7.9 |
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 is ranked #1596 out of 9,533 schools in CA.
What is Oster Elementary's MySchoolScout rating?
Oster Elementary has a composite rating of 7.9 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Oster Elementary?
Based on the most recent state assessment data, Oster Elementary has 79.8% math proficiency and 79.4% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
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
- Phone
- (408) 266-8121
- Data Year
- 2023–2024
Resources & Links
District
Union Elementary- District Enrollment
- 5,371
- Schools in District
- 8
- Per-Pupil Spending
- $16,087
- District Rank
- #1 of 8
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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