How does Arma J. Shull Elementary compare to other elementary schools in San Dimas?

Arma J. Shull Elementary has a SchoolScope composite score of 71.7/100, placing it at the 96th percentile statewide. 54% of students exceed standard, with a total of 1,246 students tested across grades and subjects.

What percentage of students exceed standards at Arma J. Shull Elementary?

54.0% of students at Arma J. Shull Elementary exceed the state standard on CAASPP assessments, while 79.8% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

Is Arma J. Shull Elementary improving or declining?

Arma J. Shull Elementary's proficiency rate increases by 4.1 percentage points from grade 3 to grade 5, suggesting the school is adding value over time.

What is the chronic absenteeism rate at Arma J. Shull Elementary?

6.3% of students at Arma J. Shull 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.

Arma J. Shull Elementary

Bonita Unified San Dimas Los Angeles County 91773

Composite Score

out of 100

State Percentile

of elementary schools

State Rank

1,246 students tested

School overview

Enrollment

646 students

Student-Teacher Ratio

29:1

Free/Reduced Lunch

28%

Teachers

22 full-time

Student demographics

Hispanic 50.6%

White 15.9%

Asian 16.1%

Black 0.9%

Other 16.4%

Performance breakdown

Performance breakdown for Arma J. Shull Elementary
Category	Percentage
Exceeded Standard	54.0%
Met Standard	25.8%
Below Standard	20.2%

Exceeded

54.0%

Met

25.8%

Below

20.2%

What other rankings don't show you

Most rating sites report "80% proficient" for Arma J. Shull Elementary and stop there. Here's what that number hides:

54.0% of students exceeded standard while 25.8% merely met it. That exceeded rate is 33.0 points above the state average of 21.0%. That's 12.2 points above the Bonita Unified district average of 41.8%. Compared to the 9 nearby schools within ~3 miles, this exceeded rate is 25.0 points higher (vs 29.0% 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 4.1 percentage points from grade 3 to grade 5, suggesting the school is adding value beyond what students arrive with.

Chronic absenteeism is 6.3%, better than the state average of 18.7%.