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Cobblestone Elementary

Rocklin Unified Rocklin Placer County 95765
Composite Score
out of 100
State Percentile
of elementary schools
State Rank
896 students tested

School overview

Enrollment
413 students
Student-Teacher Ratio
22:1
Free/Reduced Lunch
30%
Teachers
19 full-time

Student demographics

Hispanic 20.1%
White 57.1%
Asian 8.7%
Black 0.2%
Other 13.8%

Performance breakdown

Performance breakdown for Cobblestone Elementary
CategoryPercentage
Exceeded Standard36.3%
Met Standard30.1%
Below Standard33.6%

What other rankings don't show you

Most rating sites report "66% proficient" for Cobblestone Elementary and stop there. Here's what that number hides:

36.3% of students exceeded standard while 30.1% merely met it. That exceeded rate is 15.3 points above the state average of 21.0%. That's near the Rocklin Unified district average of 35.0%. Compared to the 13 nearby schools within ~3 miles, this exceeded rate is 3.7 points higher (vs 32.6% 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 9.4 percentage points from grade 3 to grade 5, suggesting the school is adding value beyond what students arrive with.

Chronic absenteeism is 4.1%, better than the state average of 18.7%.

Key metrics

% Exceeded Standard
36.3%
Students scoring above proficient
% Met or Above
66.4%
Students meeting standard
Growth (G3→G5)
+9.4pp
Change in proficiency rate
Chronic Absenteeism
4.1%
Students missing 10%+ of days
Suspension Rate
1.3%
Students suspended at least once
Total Tested
896
Across all grades & subjects

ELA scores by grade

Grade Tested Exceeded Met Nearly Met Not Met Met+Above
3rd 66 27.3% 28.8% 24.2% 19.7% 56.1%
4th 49 34.7% 26.5% 10.2% 28.6% 61.2%
5th 52 34.6% 40.4% 11.5% 13.5% 75.0%
6th 56 35.7% 33.9% 19.6% 10.7% 69.6%

Math scores by grade

Grade Tested Exceeded Met Nearly Met Not Met Met+Above
3rd 66 37.9% 33.3% 16.7% 12.1% 71.2%
4th 51 29.4% 31.4% 23.5% 15.7% 60.8%
5th 52 51.9% 19.2% 19.2% 9.6% 71.2%
6th 56 39.3% 26.8% 17.9% 16.1% 66.1%