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Westside Union Elementary


At a glance
523rdof 968 California districts▲ 259
Better than 46% of California districts
41914 50th St. West
Quartz Hill, CA 93536-2963
·(661) 722-0716·All California district rankings →
Statewide performance 2017–2026
2026: better than 46% of districts
12
Schools
9,078
Students
Top rankedGregg Anderson Academy936th of 5,804 California elementary schools
▲
Biggest riser
Esperanza Elementary up 480 spots statewide this year
◉
Smallest classes
Anaverde Hills 23.4 students per teacher
SchoolDigger ratings
4★
3★
2★
1★
Summary:

Westside Union Elementary includes 12 schools: 10 elementary schools, including one K–8 school, and two middle schools serving grades 6–8. In 2025–26, the simple school-group averages were below state results in ELA (46% vs. 49%), mathematics (33% vs. 38%) and science (29% vs. 36%). The most important finding is that those averages hide wide differences between schools: the top-to-bottom spread was 40 points in ELA, 44 in math and 36 in science.

Gregg Anderson Academy led in ELA (70%, 21 points above the state) and math (62%, 23 points above). Cottonwood Elementary led in science at 54%, 18 points above the state, and exceeded state results in all three subjects. At the other end, Sundown Elementary had the lowest results in all three: 30% in ELA, 18% in math and 18% in science—20, 21 and 18 points below state results, respectively. Overall, four schools exceeded the state in ELA, and two did so in each of math and science.

Compared with 2024–25, the school-group averages fell by about 2 points in ELA and 1 point each in math and science, while state results rose in all three subjects. Esperanza Elementary improved across all three subjects, while Cottonwood’s science result rose 12 points. SchoolDigger ranking percentiles also moved in different directions: Anaverde Hills rose from the 35th to 43rd percentile from 2023–24 to 2025–26, while Joe Walker Middle fell from the 48th to 31st. For context, free/reduced lunch eligible shares in 2024–25 ranged from 32% at Gregg Anderson to 66% at Valley View Elementary; student–teacher ratios ranged from 19.7 at Leona Valley Elementary to 27.1 at Cottonwood. Grade-level results can differ from all-grades results: Joe Walker’s sixth graders outscored Hillview Middle’s in ELA and math, even though Hillview’s all-grades results were higher in both subjects.

Ranking:
Map legend
E Elementary M Middle H High A Alternative P Private




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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

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