Serving 590 students in grades Kindergarten-5, Cobblestone Elementary School ranks in the top 30% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 47% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 61% (which is higher than the California state average of 47%).
The student-teacher ratio of 22:1 is higher than the California state level of 21:1.
Minority enrollment is 70% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 590 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 70%
- Overall Testing Rank: Top 30% in CA
- Math Proficiency: 47% (Top 30%)
- Reading Proficiency: 61% (Top 30%)
- Science Proficiency: 45-49% (Top 20%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Cobblestone Elementary School ranks among the top 20% of public schools in California for:
Category
Attribute
Most improved public schools
Science Proficiency
Diversity
School Overview
Cobblestone Elementary School's student population of 590 students has grown by 22% over five school years.
The teacher population of 27 teachers has grown by 12% over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
590 students
Total Classroom Teachers
27 teachers
Colors
Blue and Yellow
School Calendar
School Rankings
Cobblestone Elementary School ranks within the top 30% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Cobblestone Elementary School is 0.75, 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.
Overall Testing Rank
#2142 out of 9523 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
47%
34%
Reading/Language Arts Test Scores (% Proficient)
61%
47%
Science Test Scores (% Proficient)
45-49%
29%
Student-Teacher Ratio
22:1
21:1
Asian
16%
12%
Hispanic
36%
56%
Black
6%
5%
White
30%
20%
Hawaiian
1%
n/a
Two or more races
11%
6%
All Ethnic Groups
Chronically Absent Students
(22-23)7.8%
27.7%
Eligible for Free Lunch
34%
54%
Eligible for Reduced Lunch
11%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Cobblestone Elementary School's ranking?
Cobblestone Elementary School is ranked #2142 out of 9,523 schools, which ranks it among the top 30% of public schools in California.
What schools are Cobblestone Elementary School often compared to?
Cobblestone Elementary Schoolis often viewed alongside schools like Arboga Elementary School, Rio Del Oro Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
47% of students have achieved math proficiency (compared to the 34% CA state average), while 61% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Cobblestone Elementary School?
590 students attend Cobblestone Elementary School.
What is the racial composition of the student body?
36% of Cobblestone Elementary School students are Hispanic, 30% of students are White, 16% of students are Asian, 11% of students are Two or more races, 6% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Cobblestone Elementary School?
Cobblestone Elementary School has a student ration of 22:1, which is higher than the California state average of 21:1.
What grades does Cobblestone Elementary School offer ?
Cobblestone Elementary School offers enrollment in grades Kindergarten-5
What school district is Cobblestone Elementary School part of?
Cobblestone Elementary School is part of Plumas Lake Elementary School District.
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