Community prompt from u/allk12. Replies below.
Oster Elementary
Test scores
CAASPP 2023-24 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 80 of every 100 students at this school read and write at grade level and about 80 of 100 do math at grade level. Across all California schools, those numbers are about 47 and 36. Reading and writing scores are up about 2 points since 2014, while math scores are up about 8 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 80% of students here test proficient in math and reading, compared with the roughly 72% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Oster Elementary
Oster Elementary operates as a reasonably sized elementary campus in San Jose, California, one of the schools within Union Elementary. Current enrollment sits at 627 students spanning grades K through 5. Enrollment runs roughly 35% bigger than the state mean of about 465.
Union Elementary runs 8 schools in total, collectively educating 5,376 students. Oster Elementary is one of those campuses.
On demographics, Oster Elementary logs that the largest single group is Asian at 52%, but no single group is in the majority. Other groups include 24% White, 18% Hispanic, 6% multiracial. That is considerably more Asian than the county at large, where the share is closer to 41%.
On the resource side, The school reports having 24 full-time-equivalent teachers, for a student-teacher ratio near 26.0:1. The state averages around 22.3:1, so this campus is higher than the state norm typical. Roughly 13% of students at Oster Elementary qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Santa Clara County (around 37%), the school's rate is meaningfully below typical.
With demographic context factored in, Oster Elementary tracks the demographic baseline. The model predicts 71.9% given the school's FRL share; actual proficiency is 79.9%.
In the broader community, community-level numbers for Santa Clara County indicate median household earnings sit near $164,281, about 57% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 4%. Oster Elementary is one of 412 public schools in Santa Clara County (combined enrollment of about 230,059 students).
Sartorette Charter is the nearest neighboring public school, about 0.6 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Oster Elementary comes 3rd of 9 in the immediate cluster, above the nearby-schools average of 66.1%.
Oster Elementary operates from an urban location.
Trend over the last 7 years. Oster Elementary's enrollment has remained close to its prior level since 2018, when it stood at 629 (now 627). The Asian share of enrollment increased from 36% to 52% over that span.
On this page, the feed for Oster Elementary typically covers school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.
Santa Clara County at a glance
View full county profileQuick facts
Related schools
- Union MiddleMiddle · 1,068 students
- Dartmouth MiddleMiddle · 903 students
- Carlton ElementaryElementary · 656 students
- Alta Vista ElementaryElementary · 584 students
- Guadalupe ElementaryElementary · 537 students
- Lietz ElementaryElementary · 501 students
- Evergreen Valley HighHigh · 2,703 students
- Independence HighHigh · 2,289 students
- Silver Creek HighHigh · 2,139 students
- Santa Teresa HighHigh · 2,134 students
- Piedmont Hills HighHigh · 1,918 students
- Leigh HighHigh · 1,884 students
- Sartorette Charter0.6 mi · 278
- Steindorf STEAM K-8 Magnet0.7 mi · 491
- Leigh High0.9 mi · 1,884
- Fammatre Elementary1.1 mi · 482
- Branham High1.2 mi · 1,820
- Union Middle1.2 mi · 1,068