Explore Map Compare Blog Sign in

Cobb (William L.) Elementary

Composite Score
out of 100
State Percentile
of elementary schools
State Rank
232 students tested

School overview

Enrollment
137 students
Student-Teacher Ratio
20:1
Free/Reduced Lunch
66%
Teachers
7 full-time

Student demographics

Hispanic 32.1%
White 12.4%
Asian 5.8%
Black 32.1%
Other 17.5%

Performance breakdown

Performance breakdown for Cobb (William L.) Elementary
CategoryPercentage
Exceeded Standard10.1%
Met Standard25.7%
Below Standard64.2%

What other rankings don't show you

Most rating sites report "36% proficient" for Cobb (William L.) Elementary and stop there. Here's what that number hides:

10.1% of students exceeded standard while 25.7% merely met it. That exceeded rate is 10.9 points below the state average of 21.0%. That's 14.8 points below the San Francisco Unified district average of 24.9%. The 38 nearby schools within ~3 miles average 28.2% exceeded — 18.1 points higher. 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 4.1 percentage points from grade 3 to grade 5, suggesting the school is adding value beyond what students arrive with.

Chronic absenteeism is 55.0%, above the state average of 18.7%.

Key metrics

% Exceeded Standard
10.1%
Students scoring above proficient
% Met or Above
35.8%
Students meeting standard
Growth (G3→G5)
+4.1pp
Change in proficiency rate
Chronic Absenteeism
55.0%
Students missing 10%+ of days
Suspension Rate
0.7%
Students suspended at least once
Total Tested
232
Across all grades & subjects

ELA scores by grade

Grade Tested Exceeded Met Nearly Met Not Met Met+Above
3rd 19 10.5% 15.8% 31.6% 42.1% 26.3%
4th 17 11.8% 23.5% 29.4% 35.3% 35.3%
5th 22 22.7% 27.3% 13.6% 36.4% 50.0%

Math scores by grade

Grade Tested Exceeded Met Nearly Met Not Met Met+Above
3rd 19 10.5% 36.8% 36.8% 15.8% 47.4%
4th 17 0.0% 23.5% 41.2% 35.3% 23.5%
5th 22 4.5% 27.3% 31.8% 36.4% 31.8%