Serving 413 students in grades Kindergarten-6, Cobblestone Elementary School ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 61% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 64% (which is higher than the California state average of 47%).
The student:teacher ratio of 21:1 is equal to the California state level of 21:1.
Minority enrollment is 43% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
Grades: Kindergarten-6
Enrollment: 413 students
Student:Teacher Ratio: 21:1
Minority Enrollment: 43%
Overall Testing Rank
: Top 20% in CA
Math Proficiency
: 61% (Top 20%)
Reading Proficiency
: 64% (Top 20%)
Science Proficiency
: 40-49% (Top 30%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Cobblestone Elementary School ranks within the top 20% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Cobblestone Elementary School is 0.61, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Cobblestone Elementary School is ranked #1411 out of 9,602 schools, which ranks it among the top 20% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
61% of students have achieved math proficiency (compared to the 33% CA state average), while 64% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Cobblestone Elementary School?
413 students attend Cobblestone Elementary School.
What is the racial composition of the student body?
57% of Cobblestone Elementary School students are White, 20% of students are Hispanic, 13% of students are Two or more races, and 10% of students are Asian.
What is the student:teacher ratio of Cobblestone Elementary School?
Cobblestone Elementary School has a student ration of 21:1, which is equal to the California state average of 21:1.
What grades does Cobblestone Elementary School offer ?
Cobblestone Elementary School offers enrollment in grades Kindergarten-6
What school district is Cobblestone Elementary School part of?
I do not recommend this school. The supervision of students is extremely deficient, and there is no assistance from the principal (or teachers) for problems with bullying. Much is kept from parents, and children are encouraged by the school to not report, and their concerns are dismissed or minimized. Not a healthy environment for children who are not able to fend for themselves.
- Posted by Parent - mkell
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Quick Stats (2025)
Grades: Kindergarten-6
Enrollment: 413 students
Student:Teacher Ratio: 21:1
Minority Enrollment: 43%
Overall Testing Rank
: Top 20%
Math Proficiency
: 61% (Top 20%)
Reading Proficiency
: 64% (Top 20%)
Science Proficiency
: 40-49% (Top 30%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education