How does Sellers Elementary compare to other elementary schools in Glendora?

Sellers Elementary has a SchoolScope composite score of 55.7/100, placing it at the 77th percentile statewide. 28% of students exceed standard, with a total of 1,056 students tested across grades and subjects.

What percentage of students exceed standards at Sellers Elementary?

28.4% of students at Sellers Elementary exceed the state standard on CAASPP assessments, while 60.6% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

Is Sellers Elementary improving or declining?

Sellers Elementary's proficiency rate decreases by 8.2 percentage points from grade 3 to grade 5, suggesting the school is not sustaining early academic gains.

What is the chronic absenteeism rate at Sellers Elementary?

4.9% of students at Sellers Elementary are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in our composite score.

Sellers Elementary

Glendora Unified Glendora Los Angeles County 91741

Composite Score

out of 100

State Percentile

of elementary schools

State Rank

1,056 students tested

School overview

Enrollment

547 students

Student-Teacher Ratio

25:1

Free/Reduced Lunch

23%

Teachers

22 full-time

Student demographics

Hispanic 36.2%

White 40.6%

Asian 15.9%

Black 0.2%

Other 7.1%

Performance breakdown

Performance breakdown for Sellers Elementary
Category	Percentage
Exceeded Standard	28.4%
Met Standard	32.2%
Below Standard	39.4%

Exceeded

28.4%

Met

32.2%

Below

39.4%

What other rankings don't show you

Most rating sites report "61% proficient" for Sellers Elementary and stop there. Here's what that number hides:

28.4% of students exceeded standard while 32.2% merely met it. That exceeded rate is 7.4 points above the state average of 21.0%. That's near the Glendora Unified district average of 28.9%. The 8 nearby schools within ~3 miles average 33.7% exceeded — 5.3 points higher. The gap between "met" and "exceeded" is the difference between a school that clears the bar and one that raises it.

Proficiency drops by 8.2 percentage points from grade 3 to grade 5 — a signal that the school may not be sustaining early gains.

Chronic absenteeism is 4.9%, better than the state average of 18.7%.