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Oster Elementary

Union Elementary San Jose Santa Clara County 95124
Composite Score
out of 100
State Percentile
of elementary schools
State Rank
1,264 students tested

School overview

Enrollment
627 students
Student-Teacher Ratio
24:1
Free/Reduced Lunch
10%
Teachers
26 full-time

Student demographics

Hispanic 18.0%
White 23.6%
Asian 48.3%
Black 1.1%
Other 8.9%

Performance breakdown

Performance breakdown for Oster Elementary
CategoryPercentage
Exceeded Standard57.8%
Met Standard20.4%
Below Standard21.7%

What other rankings don't show you

Most rating sites report "78% proficient" for Oster Elementary and stop there. Here's what that number hides:

57.8% of students exceeded standard while 20.4% merely met it. That exceeded rate is 36.9 points above the state average of 21.0%. That's 4.2 points above the Union Elementary district average of 53.6%. Compared to the 19 nearby schools within ~3 miles, this exceeded rate is 17.3 points higher (vs 40.5% average). The gap between "met" and "exceeded" is the difference between a school that clears the bar and one that raises it.

Students here improve by 2.1 percentage points from grade 3 to grade 5, suggesting the school is adding value beyond what students arrive with.

Chronic absenteeism is 6.0%, better than the state average of 18.7%.

Key metrics

% Exceeded Standard
57.8%
Students scoring above proficient
% Met or Above
78.3%
Students meeting standard
Growth (G3→G5)
+2.1pp
Change in proficiency rate
Chronic Absenteeism
6.0%
Students missing 10%+ of days
Suspension Rate
1.2%
Students suspended at least once
Total Tested
1,264
Across all grades & subjects

ELA scores by grade

Grade Tested Exceeded Met Nearly Met Not Met Met+Above
3rd 105 52.4% 25.7% 15.2% 6.7% 78.1%
4th 109 52.3% 19.3% 10.1% 18.4% 71.6%
5th 99 62.6% 18.2% 10.1% 9.1% 80.8%

Math scores by grade

Grade Tested Exceeded Met Nearly Met Not Met Met+Above
3rd 108 65.7% 16.7% 12.0% 5.6% 82.4%
4th 111 52.3% 20.7% 18.0% 9.0% 73.0%
5th 100 62.0% 22.0% 6.0% 10.0% 84.0%