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Teachers: what resource would make the biggest difference at Oster Elementary this year?
Community prompt from u/allk12. Replies below.
Enrollment
627
Elementary
DISTRICT 568 · STATE 465
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
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
5
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 131 | 21% |
| Grade 1 | 84 | 13% |
| Grade 2 | 97 | 15% |
| Grade 3 | 107 | 17% |
| Grade 4 | 107 | 17% |
| Grade 5 | 101 | 16% |
Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 69% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
76.7%
CA avg 49.1% . -1.3pp since 2014
Math
79.6%
CA avg 37.7% . +7.6pp since 2014
What this means: On the CAASPP, California's statewide test, about 77 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 49 and 38. Reading and writing scores are down about 1 points since 2014, while math scores are up about 8 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 55.6% | 21.1% | 11.8% | 11.5% |
| Math | 59.9% | 19.8% | 12.2% | 8.2% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 76.7% | 79.6% |
| 2023-24 | 79.5% | 80.3% |
| 2022-23 | 78.1% | 81.3% |
| 2021-22 | 80.6% | 78.6% |
| 2018-19 | 79.1% | 78.3% |
| 2017-18 | 82.0% | 81.1% |
| 2016-17 | 82.4% | 82.0% |
| 2015-16 | 84.0% | 76.0% |
| 2014-15 | 78.0% | 72.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
79.1%
composite math + reading, all grades
Predicted
72.1%
based on CA schools with similar FRL share
Beats by
+7.0pp
above demographic expectation
What this means: About 79% 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%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Where Oster Elementary ranks
Among elementary schools| Measure | This school | In California | In Santa Clara County |
|---|---|---|---|
| State test proficiency ranked highest first | 79.1% | #264 of 5,151 | #44 of 226 |
| Math proficiency ranked highest first | 79.6% | #248 of 5,172 | #43 of 226 |
| Reading proficiency ranked highest first | 76.7% | #414 of 5,172 | #51 of 226 |
| 3-year test score change ranked biggest drop first | -1.5pp | #1,366 of 5,116 | #105 of 225 |
| Enrollment ranked largest first | 627 | #1,175 of 5,915 | #23 of 255 |
| Students per teacher ranked fewest first | 26.0:1 | #4,866 of 5,352 | #226 of 247 |
| Diversity index ranked most diverse first | 64.3% | #1,336 of 5,354 | #89 of 247 |
| Enrollment change since 2017-18 ranked steepest decline first | -0.3% | #3,823 of 3,837 | #189 of 189 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list.
7-year change
SY 2017-18 vs SY 2024-25Enrollment
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
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free or reduced lunch |
|---|---|---|---|---|
| 2024-25 | 627 | 24.1 | 26.0:1 | 13% (80) |
| 2023-24 | 627 | 26 | 24.1:1 | 10% (61) |
| 2022-23 | 638 | 26 | 24.5:1 | 9% (57) |
| 2017-18 | 629 | 24.5 | 25.7:1 | 12% (73) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Oster Elementary.
About Oster Elementary
Oster Elementary is a medium-sized elementary school found in San Jose, California. It covers kindergarten through 5, with a total enrollment of 627 students. Statewide, elementary schools in California average about 465 students each.
Union Elementary counts 8 schools and 5,376 students, including Oster Elementary.
A majority of students at Oster Elementary, 52%, are Asian. Beyond that, enrollment is 24% White, 18% Hispanic, and 6% multiracial. The Asian share of the county population is lower, at 41%. Oster Elementary has a diversity index of 64%, compared with 70% for all US public school students.
Federal staffing data show 24.1 full-time-equivalent teachers at Oster Elementary and a ratio of 26.0:1. The average ratio among elementary schools in California is 22.3:1, lower than at this school. The count of students eligible for free or reduced-price lunch equals 13% of enrollment. That is lower than the 37% average for public schools in Santa Clara County.
In California, Oster Elementary is in the middle band of BeatsExpectations: 79.1% actual against a predicted 72.1%.
Within Santa Clara County, median household income is about $164,281, about 57% of adults have at least a bachelor's degree, and roughly 4% of residents are in poverty. Federal data list 412 public schools in Santa Clara County, with a combined enrollment of about 230,059.
The next-closest public school is Sartorette Charter, about 0.6 miles away. In all, at least 8 other public schools sit within five miles of Oster Elementary. Among its closest neighbors with test data, Oster Elementary is 3rd of 9 on proficiency.
The school's setting, by NCES definition, is City: Large: inside a principal city with a population of 250,000 or more.
Oster Elementary had 629 students in 2017-18 and 627 in 2024-25, nearly the same. The Asian share of enrollment grew from 36% to 52% over the same period.
Discussions about Oster Elementary may include sports tryouts, band and choir, and theater. Questions from prospective families are welcome too.
Santa Clara County at a glance
View full county profilePopulation
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
Related schools
Other schools in Union Elementary
- 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
Other schools in San Jose
- 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
Nearby schools
- 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
Frequently asked questions
About Oster ElementaryHow 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.