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SCHOOL COMMUNITY·UNION ELEMENTARY·NCES 064032006678

Oster Elementary

1855 Lencar Way, San Jose, CA 95124 · (408) 266-8121 · Santa Clara County
GRADES KG–05ELEMENTARY11-CITYREGULAR SCHOOL627 STUDENTS
Enrollment
627
Elementary
DISTRICT 568 · STATE 465
Student : Teacher
26.0:1
24 FTE teachers
DISTRICT 25.0:1 · STATE 22.3:1
Free / Reduced Lunch
13%
80 students
DISTRICT 12% · STATE 65%
Community
2
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
131
Grade 1
84
Grade 2
97
Grade 3
107
Grade 4
107
Grade 5
101
Student demographics
White
14824%
DISTRICT 30% · STATE 20%
Hispanic
11218%
DISTRICT 17% · STATE 56%
Black
61%
DISTRICT 1% · STATE 5%
Asian
32352%
DISTRICT 43% · STATE 12%
Two+
386%
DISTRICT 8% · STATE 6%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
31751%
Female
31049%

Discussions

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
79.5%
CA avg 47.1% . +1.5pp since 2014
Math
80.3%
CA avg 35.6% . +8.3pp since 2014
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
79.9%
composite math + reading, all grades
Predicted
71.9%
based on CA schools with similar FRL share
Beats by
+8.0pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
627
-2 (0%) vs 2017
Student : Teacher
26.0:1
was 25.7:1
% White
24%
was 32%
% Hispanic
18%
was 18%
% Black
1%
was 1%
% Asian
52%
was 36%
Source: NCES Common Core of Data

About 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 profile
Population
1,902,047
Census ACS
Median income
$164,281
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
412
230,059 students

Quick facts

School name
Oster Elementary
District
Union Elementary
Address
1855 Lencar Way, San Jose, CA 95124
Phone
(408) 266-8121
County
Santa Clara County
Level
Elementary
Grade range
KG–05
Total enrollment
627
Teachers (FTE)
24
Student–teacher ratio
26.0:1
Free/Reduced lunch
80 (13%)
Locale
11-City: Large
NCES ID
064032006678
Charter school
No
Virtual school
No

Related schools

Other schools in Union Elementary
Other schools in San Jose
Nearby schools

Frequently asked questions

About Oster Elementary
How large is Oster Elementary?
Oster Elementary enrolls approximately 627 students in grades KG-05.
What grades does Oster Elementary serve?
Oster Elementary serves grades KG-05.
How many students per teacher at Oster Elementary?
Approximately 26.0:1 students per teacher at Oster Elementary.
What is the racial breakdown of students at Oster Elementary?
At Oster Elementary, the student body is approximately 24% White, 18% Hispanic, 1% Black, 52% Asian, 6% Two or more.
Who oversees Oster Elementary?
Oster Elementary is overseen by Union Elementary in Santa Clara County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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