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Needs Improvement

#9271 of 9,533 schools in CA

Del Sur Senior Elementary

Elementary School · Westside Union Elementary

9023 West Ave. H, Lancaster, CA 93536

Enrollment

758

Student-Teacher

27.1:1

Score

3.5

Grades

Kindergarten – 8th

Updated 2022-23

How this school compares

In Lancaster

#44 of 47

public schools

California elementary schools

#5,612 of 5,817

In district

#12 of 12

Westside Union Elementary

About Del Sur Senior Elementary

Del Sur Senior Elementary serves kindergarten through eighth grade students in Lancaster, a rural area in Los Angeles County. With an enrollment of 758 students and 28 full-time equivalent teachers, the school maintains a student-teacher ratio of 27.1:1. Academically, Del Sur is working to strengthen its performance.

Currently, 32% of students score proficient or above in English language arts, while 23% meet proficiency standards in math. These results reflect areas where the school is focused on student growth and development. The school's academic score of 3.8/10 indicates there is meaningful room for improvement across core subjects.

At the state level, Del Sur ranks in the lower percentile of California schools, which suggests the school faces challenges similar to many under-resourced districts. However, the school continues to serve its community and work toward academic advancement for its students. Located at 9023 West Ave.

H, Del Sur Senior Elementary is situated in the rural character of the Lancaster area, serving families in a distinctive community setting.

What Parents Should Know

The student-teacher ratio at Del Sur Senior Elementary is 27.1:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Located in a rural area, Del Sur Senior Elementary may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress3.8Fair50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-2.13 pts/yr
Data Period2019–2024
TrendDeclining
Academics4.2Below Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency20%
Reading/ELA Proficiency32.7%
Math vs. State Avg-25.7 pts
Reading vs. State Avg-10.1 pts
Overall Proficiency26%
Expected (poverty-adj.)43%
vs. Expected-16.7 pts
Adjusted Percentile23th
College ReadinessNot Available

Data not available for this school

Resources & Environment1.9Significantly Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio27.1:1
Per-Pupil Spending$12,392

Del Sur Senior Elementary — Students at Del Sur Senior Elementary score 26% proficient, which is below what's typical for similar communities (expected: 43%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

56.1%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 23.2%
School
State
36.8%
ELA Proficiency 32.1%
School
State
45.8%

Based on 16 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
31%
ELA
43%
2024
Math
22.1%
ELA
30.6%

Source: EdFacts (NCES) and state assessment data. Growth score: 3.8/10.

How Del Sur Senior Elementary Compares

See how Del Sur Senior Elementary performs across key quality dimensions compared to state benchmarks.

Overall Score
3.5/10
3th percentile in CA
Academic
4.2/10
4.2/10
Growth
3.8/10
Below average
Environment
1.9/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
56%
Teaching Staff
27:1 student-teacher ratio
28 teachers

Location

9023 West Ave. H, Lancaster, CA 93536

Nearby Alternatives

Families considering Del Sur Senior Elementary may also want to explore other elementary schools in the area. Gregg Anderson Academy (rated 7.7/10, 7.5 miles away, in nearby Palmdale), which scores notably higher. Another option is Quartz Hill Elementary (rated 7.5/10, 6.7 miles away, in nearby Quartz Hill), which scores notably higher. Additionally, NOAH'S ARK - HOPE CHAPEL CHRISTIAN ACADEMY (rated 6.9/10, 3.9 miles away), which scores notably higher. For more schools in Lancaster, see our Lancaster schools guide .

Nearby Schools

20 within 7.5 mi
School Distance Rating
Sundown Elementary Lancaster 3.8 mi 3.7
HOPE CHRISTIAN ACADEMY Lancaster 3.9 mi 6.1
NOAH'S ARK - HOPE CHAPEL CHRISTIAN ACADEMY Lancaster 3.9 mi 6.9
Academies of the Antelope Valley Quartz Hill 4.9 mi 4.6
Anapasec Adventures Lancaster 4.9 mi
Quartz Hill High Quartz Hill 5.1 mi 7.0
Fabunni Private School Lancaster 4.8 mi
Endeavour Middle Lancaster 5.3 mi 4.1
Eduventuring Academy PSP Quartz Hill 5.5 mi
Joe Walker Middle Lancaster 5.7 mi 6.4
Academy of Divergent Learners Quartz Hill 5.6 mi
Small Wonders Preschool & Learning Center Quartz Hill 5.9 mi
West Wind Elementary Lancaster 6.0 mi 6.5
Lancaster High Lancaster 6.0 mi 5.8
Leona Valley Elementary Leona Valley 7.2 mi 6.4
Quartz Hill Elementary Quartz Hill 6.7 mi 7.5
Nancy Cory Elementary Lancaster 6.4 mi 5.0
SOAR High (Students On Academic Rise) Lancaster 6.4 mi 6.3
Amargosa Creek Middle Lancaster 6.6 mi 4.6
Gregg Anderson Academy Palmdale 7.5 mi 7.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 93536 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$102,927

Median Home Value

$484,900

Median Rent

$1,946/mo

Population

72,013

College Educated

26.5%

Homeownership

69.3%

Avg Commute

32.7 min

Poverty Rate

12.4%

Median Age

36.8

Community Profile

The community surrounding Del Sur Senior Elementary has a median household income of $102,927. It is an area where 27% of adults hold a bachelor's degree or higher. The median home value in the area is $484,900, with a median rent of $1,946/month. The area has a poverty rate of 12.4%. The average commute for residents is 33 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Baldy Mesa Elementary Phelan, CA 3.5
Carmichael (Bessie)/FEC San Francisco, CA 3.5
Eucalyptus Elementary Hesperia, CA 3.5
Grand Terrace Elementary Grand Terrace, CA 3.5
Hall District Elementary Watsonville, CA 3.5
Hanson Elementary Ramona, CA 3.5

Frequently Asked Questions

Common questions about Del Sur Senior Elementary

What grades does Del Sur Senior Elementary serve?

Del Sur Senior Elementary serves students in grades Kindergarten through 8th.

How many students attend Del Sur Senior Elementary?

Del Sur Senior Elementary has an enrollment of approximately 758 students.

What is the student-teacher ratio at Del Sur Senior Elementary?

The student-teacher ratio at Del Sur Senior Elementary is 27.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Del Sur Senior Elementary rank in CA?

Del Sur Senior Elementary is ranked #9271 out of 9,533 schools in CA.

What is Del Sur Senior Elementary's MySchoolScout rating?

Del Sur Senior Elementary has a composite rating of 3.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Del Sur Senior Elementary?

Based on the most recent state assessment data, Del Sur Senior Elementary has 23.2% math proficiency and 32.1% reading/ELA proficiency.

Is Del Sur Senior Elementary a charter school?

No, Del Sur Senior Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Del Sur Senior Elementary a Title I school?

No, Del Sur Senior Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Del Sur Senior Elementary?

56.1% of students at Del Sur Senior Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

City Safety
High (2,788/100K)

FBI UCR 2024. City-level (Lancaster). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 8th
Enrollment
758
Student-Teacher Ratio
27.1:1
Teachers (FTE)
28
Free/Reduced Lunch
56.1%
Type
regular
Setting
Fringe Rural
County
Los Angeles County
Data Year
2023–2024

District

Westside Union Elementary
District Enrollment
9,138
Schools in District
12
Per-Pupil Spending
$13,325
District Rank
#12 of 12

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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