- Enrollment
- 1,100
- Students per teacher
- 27.5:1
- Resource Index
- 26/100
Elementary school (grades K-5) · Lancaster, CA
Del Sur Senior Elementary
Federal NCES profile for Del Sur Senior Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 20/100.
2024-25 NCES dataElementary school (grades K-5)NCES 064212006889
👥 S:T ratio 0
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 10
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Del Sur Senior Elementary earns 20/100 on the Resource Investment Index, with class sizes larger than 93% of California schools.
- #11 of 28
- elementary schools in Lancaster · Resource Index
- 20
- Resource Index · Lower
- 28.3:1
- large classes for California
- 45.5%
- free-lunch eligible
Del Sur Senior Elementary has class sizes larger than 93% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Del Sur Senior Elementary ranks #11 of 28 elementary schools in Lancaster, CA.
School address
District: Westside Union Elementary · California
NCES ID 064212006889 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+17 students YoY
Del Sur Senior Elementary held near 758 students from 2022-23 to 2023-24 (+17 headcount).
Teacher FTE added 27.4 → 28.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+17 students YoY 064212006889 · Lancaster, CA Elementary · MID · TRAD
763 enr · 28.3:1 · 45.5% lunch · RII 20
Nearest enrollment peer: Hillview Middle (1,100 students)
Del Sur Senior Elementary held near 758 students from 2022-23 to 2023-24 (+17 headcount). Teacher FTE added 27.4 → 28.7 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Del Sur Senior Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Hillview Middl
Hillview Middle
1,100 students
- Esperanza Elem
Esperanza Elementary
962 students
- Sundown Elemen
Sundown Elementary
941 students
- Gregg Anderson
Gregg Anderson Academy
893 students
- Rancho Vista E
Rancho Vista Elementary
886 students
- This school
Del Sur Senior Elementary
763 students
What this shows Del Sur Senior Elementary reports 763 students on the CCD universe file.
How Del Sur Senior Elementary compares
Del Sur Senior Elementary held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 28.3:1 | ▲ 32% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 45.5% | ▼ 18% | 55.5% | 51.7% |
| Enrollment | 763 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
28.3:1
Leaner classes than 2% of US schools, heavier class loads than most.
763
Bigger than 84% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
45.5%
free-lunch eligible
- 18% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
28.3:1
students per teacher
- 32% above state mean
Top 93% in California - lower ratio than 7% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
35.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$13,324
per pupil, district-wide
- below California avg of $18,665
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 763 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 36 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 4.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 57.9%
White 26.1%
African American 10.0%
Two or More 4.5%
Asian 1.2%
Native Hawaiian / Pacific Islander 0.3%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 57.9% of enrollment.
Student-body diversity index 58.4/100
Simpson diversity index - at 58.4, Del Sur Senior Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for Westside Union Elementary reports $13,324 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Del Sur Senior Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hillview Middle | Larger | Similar economic need | Similar S:T ratio |
| Esperanza Elementary | Larger | Similar economic need | Lower S:T ratio |
| Sundown Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Gregg Anderson Academy | Similar size | Lower economic need | Similar S:T ratio |
| Rancho Vista Elementary | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Del Sur Senior Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 962
- Students per teacher
- 26.7:1
- Resource Index
- 7/100
- Enrollment
- 941
- Students per teacher
- 29.4:1
- Resource Index
- 10/100
- Enrollment
- 893
- Students per teacher
- 27.9:1
- Resource Index
- 30/100
- Enrollment
- 886
- Students per teacher
- 26.8:1
- Resource Index
- 17/100
Similar elementary schools in Lancaster
6 comparable elementary schools (grades K-5) serving the same city.
Sundown Elementary
Standard public school
941 students 29.4:1 students per teacher
Monte Vista Elementary
Standard public school
788 students 26.3:1 students per teacher
Ilead Lancaster Charter
Standard public school
771 students 26.6:1 students per teacher
El Dorado Elementary
Standard public school
766 students 26.4:1 students per teacher
West Wind Elementary
Standard public school
757 students 29.1:1 students per teacher
Lincoln Elementary
Standard public school
738 students 32.1:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~763 students)
Similar student-teacher ratio (~28.3:1)
Frequently asked questions about Del Sur Senior Elementary
How many students attend Del Sur Senior Elementary?
Del Sur Senior Elementary has 763 students enrolled. It is an elementary school in Lancaster, CA. CCD year-over-year: 741 (2022-23) → 758 (2023-24), nearly flat (+17).
What is the student-teacher ratio at Del Sur Senior Elementary?
The student-teacher ratio at Del Sur Senior Elementary is 28.3:1, which is 32% higher than the California average of 21.5:1 and 80% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Del Sur Senior Elementary?
45.5% of students at Del Sur Senior Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Del Sur Senior Elementary?
The largest demographic group at Del Sur Senior Elementary is Hispanic or Latino at 57.9% of enrollment, in Lancaster, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.4/100.
What is the Resource Investment Index for Del Sur Senior Elementary?
Del Sur Senior Elementary has a Resource Investment Index of 20/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Del Sur Senior Elementary rank among elementary schools in Lancaster?
By Resource Investment Index, Del Sur Senior Elementary ranks #11 of 28 elementary schools in Lancaster, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Lancaster on the city page.
What other schools are in Westside Union Elementary?
Besides Del Sur Senior Elementary, Westside Union Elementary also operates Hillview Middle (1,100 students), Esperanza Elementary (962 students), and Sundown Elementary (941 students). See the Westside Union Elementary district page for the complete list.