Del Sur Senior Elementary

Grades K–8 Public District: Westside Union Elementary

9023 West Ave. H, Lancaster, CA 93536 Map

Math (met standard)
26%
−13 state 39% · 2025-26
English (met standard)
35%
−13 state 48% · 2025-26
Science (met standard)
23%
−12 state 35% · 2025-26
Low income
53%
free or reduced-price lunch
Students
763
2024-25
Students per teacher
27.2
2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Latest results by grade

Grade Math English Science
Grade 3 51% state 47% · 2025-26 32% state 44% · 2025-26 —
Grade 4 22% state 42% · 2025-26 22% state 46% · 2025-26 —
Grade 5 27% state 37% · 2025-26 38% state 49% · 2025-26 23% state 35% · 2025-26
Grade 6 26% state 37% · 2025-26 21% state 48% · 2025-26 —
Grade 7 21% state 38% · 2025-26 48% state 51% · 2025-26 —
Grade 8 18% state 36% · 2025-26 43% state 50% · 2025-26 23% state 35% · 2025-26
All grades 26% state 39% · 2025-26 35% state 48% · 2025-26 23% state 35% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 26% state 39% 35% state 48% 23% state 35%
2024-25 21% state 38% 34% state 48% 24% state 32%
2023-24 20% state 36% 33% state 46% 25% state 30%
2022-23 25% state 35% 39% state 46% 24% state 30%
2021-22 20% state 34% 35% state 46% 22% state 30%
2018-19 31% state 40% 43% state 50% 28% state 31%
2017-18 26% state 39% 44% state 49% —
2016-17 27% state 38% 39% state 47% —
2015-16 30% state 37% 42% state 47% —
2014-15 28% state 34% 41% state 43% —

Students

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Nearby schools

Subject percentages show the share of students who met or exceeded the state standard.

Pick to compare
Sundown Elementary
Grades K–6 · Westside Union Elementary
3.8 mi
18%
−23 vs state
30%
−17 vs state
18%
−17 vs state
3% Average of math, English and science: 25% in 2022-23 → 22% in 2025-26 59% 941 Hispanic 53%
Academies of the Antelope Valley
Grades 6–12 Charter · Antelope Valley Union High
4.9 mi
20%
−16 vs state
46%
−4 vs state
25%
−11 vs state
Average of math, English and science: 29% in 2022-23 → 30% in 2025-26 54% 677 Hispanic 68%