Serving 627 students in grades Kindergarten-5, Oster Elementary School ranks in the top 5% of all schools in California for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 79% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 81% (which is higher than the California state average of 47%).
The student:teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 76% of the student body (majority Asian), which is lower than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
Grades: Kindergarten-5
Enrollment: 627 students
Student:Teacher Ratio: 24:1
Minority Enrollment: 76%
Overall Testing Rank
: Top 5% in CA
Math Proficiency
: 79% (Top 5%)
Reading Proficiency
: 81% (Top 5%)
Science Proficiency
: 70-74% (Top 5%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Oster Elementary School ranks within the top 5% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Oster Elementary School is 0.67, which is more than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
What percent of students have achieved state testing proficiency in math and reading?
79% of students have achieved math proficiency (compared to the 33% CA state average), while 81% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Oster Elementary School?
627 students attend Oster Elementary School.
What is the racial composition of the student body?
49% of Oster Elementary School students are Asian, 24% of students are White, 18% of students are Hispanic, 8% of students are Two or more races, and 1% of students are Black.
What is the student:teacher ratio of Oster Elementary School?
Oster Elementary School has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Oster Elementary School offer ?
Oster Elementary School offers enrollment in grades Kindergarten-5
What school district is Oster Elementary School part of?
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Quick Stats (2025)
Grades: Kindergarten-5
Enrollment: 627 students
Student:Teacher Ratio: 24:1
Minority Enrollment: 76%
Overall Testing Rank
: Top 5%
Math Proficiency
: 79% (Top 5%)
Reading Proficiency
: 81% (Top 5%)
Science Proficiency
: 70-74% (Top 5%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education
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