← Back to District
Westside Union Elementary

Del Sur Senior Elementary

9023 West Avenue H, Lancaster, CA 93536-8011

View Compare
Summary

Del Sur Senior Elementary is badly underperforming.

Reading and math results average to the 33rd percentile among comparable California schools.

Only 34.3% of students met California's reading standard, and it is slowly trending down.Trending down

Math is weaker: 21.0% of students met California's math standard, and it is slowly trending down.Trending down

Proficiency Stats
Current Reading Proficiency34.3%
Current Math Proficiency21.0%
Reading State Rank1180/1751 (33rd percentile)
Math State Rank1165/1754 (34th percentile)
Other Stats
Student / Teacher Ratio27:1
Student Enrollment763
Low-Income Students403 (53.2%)
English Learners61 (8.0%)
Quick links
School WebsiteGreat SchoolsNicheEd-DataCAASPP
2-Year Trends
2023 - 2025
Reading -4.5%Trend down•Math -4.1%Trend down
Showing school-level proficiency for the last three years

Reading Proficiency Scores

Race, economic status, English learner status, and distribution of scores by grade.

Race and Ethnicity
Distribution of Scores by Grade
Low-Income vs Non-Low-Income
Low-Income
Non-Low-Income
Low-Income -8.9%Trend down•
Non-Low-Income +0.6%Trend up
English Learners vs English Native
English Learners
English Native
English Learners -10.3%Trend down•
English Native -4.8%Trend down

Math Proficiency Scores

Race, economic status, English learner status, and distribution of scores by grade.

Race and Ethnicity
Distribution of Scores by Grade
Low-Income vs Non-Low-Income
Low-Income
Non-Low-Income
Low-Income -2.3%Trend down•
Non-Low-Income -6.3%Trend down
English Learners vs English Native
English Learners
English Native
English Learners -2.9%Trend down•
English Native -4.1%Trend down
Markdown Version