Oster Elementary
Elementary Schools (Public)Grades K–5Active
1855 Lencar Way, San Jose, CA 95124-3603
(408) 266-8121
Overall Score (2024-25)
↓ 0.7 ptsvs 2023-2477
out of 100
StrongTop 13% statewideData completeness: 100%
Academic Achievement94
CA avg
Academic Growth36
CA avg
Equity78
CA avg
School Climate89
CA avg
Score reflects percentile ranking among same-type schools. How is this calculated?
Test Scores (2024-25)
Percentage of students meeting or exceeding standards on CAASPP/CAST.
English Language Arts76.7%
CA avg 48.8%
Mathematics79.6%
CA avg 34.6%
Science / CAST (2024-25)69.0%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 03 | 78.1% | 82.4% | — | 105 |
| 04 | 71.6% | 73.0% | — | 109 |
| 05 | 80.8% | 84.0% | 69.0% | 99 |
Enrollment & Demographics (2024-25)
627
Total Students
12.8%
Free/Reduced Lunch
20.1%
English Learners
Staff (2024-25)
24.0:1
Pupil-Teacher Ratio
Chronic Absenteeism (2024-25)
↑ 1.7%6.0%
Chronically Absent
647
Students Tracked
Historical Trends
Year-over-year performance data from official CDE records.
Composite Score
ELA Proficiency %
Math Proficiency %
Science / CAST %
Chronic Absenteeism Rate %
Total Enrollment
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Data sourced from the California Department of Education. CDS Code: 43697086049415. Academic Year: 2023-24 – 2024-25.