How does Lena M. Preston Elementary compare to other elementary schools in Rialto?

Lena M. Preston Elementary has a SchoolScope composite score of 33.3/100, placing it at the 17th percentile statewide. 11% of students exceed standard, with a total of 870 students tested across grades and subjects.

What percentage of students exceed standards at Lena M. Preston Elementary?

10.7% of students at Lena M. Preston Elementary exceed the state standard on CAASPP assessments, while 29.0% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

Is Lena M. Preston Elementary improving or declining?

Lena M. Preston Elementary's proficiency rate decreases by 15.8 percentage points from grade 3 to grade 5, suggesting the school is not sustaining early academic gains.

What is the chronic absenteeism rate at Lena M. Preston Elementary?

22.9% of students at Lena M. Preston 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.

Lena M. Preston Elementary

Rialto Unified Rialto San Bernardino County 92376

Composite Score

out of 100

State Percentile

of elementary schools

State Rank

870 students tested

School overview

Enrollment

506 students

Student-Teacher Ratio

24:1

Free/Reduced Lunch

88%

Teachers

21 full-time

Student demographics

Hispanic 78.5%

White 1.6%

Asian 0.2%

Black 14.8%

Other 4.9%

Performance breakdown

Performance breakdown for Lena M. Preston Elementary
Category	Percentage
Exceeded Standard	10.7%
Met Standard	18.3%
Below Standard	71.0%

Exceeded

10.7%

Met

18.3%

Below

71.0%

What other rankings don't show you

Most rating sites report "29% proficient" for Lena M. Preston Elementary and stop there. Here's what that number hides:

10.7% of students exceeded standard while 18.3% merely met it. That exceeded rate is 10.3 points below the state average of 21.0%. That's 2.1 points below the Rialto Unified district average of 12.8%. Nearby schools (within ~3 miles) average 11.6% exceeded — about the same. The gap between "met" and "exceeded" is the difference between a school that clears the bar and one that raises it.

Proficiency drops by 15.8 percentage points from grade 3 to grade 5 — a signal that the school may not be sustaining early gains.

Chronic absenteeism is 22.9%, above the state average of 18.7%.