Enrollment
431
California · 2024-25 NCES data
Elementary school (grades K-5) · Chula Vista, CA
Federal NCES profile for Casillas (Joseph) Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
The verdict
Casillas (Joseph) Elementary earns 37/100 on the Resource Investment Index, with class sizes smaller than 83% of California schools.
Casillas (Joseph) Elementary has class sizes smaller than 83% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Casillas (Joseph) Elementary ranks #12 of 42 elementary schools in Chula Vista, CA.
NCES ID 060861007646 Verify on NCES CCD record →
Enrollment
431
California · 2024-25 NCES data
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
17.2:1
vs 21.5:1 California avg
-20% vs state
Free-lunch eligible
36.2%
vs 55.5% California avg
-35% vs state
How Casillas (Joseph) Elementary compares with California and U.S. medians
Smaller classes than state median
17.2:1 - 4.3 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Casillas (Joseph) Elementary is a mid-sized elementary school in Chula Vista, California, enrolling 431 students.
Class sizes run a bit leaner than typical: 17.2:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 36.2% of students eligible for free meals.
With 431 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 1,224 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #309.
Its student body is led by Hispanic or Latino (67%) and Asian (12%) (diversity index 52/100).
Chronic absenteeism is elevated: 36.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Chula Vista's elementary schools, it stands alongside Feaster (Mae L.) Charter (1,095 students): Casillas (Joseph) Elementary is smaller than that campus by headcount and runs leaner classes (17.2:1 vs 19.6:1).
Chula Vista Elementary also operates Wolf Canyon Elementary (954 students) and Camarena (Enrique S.) Elementary (889 students) alongside Casillas (Joseph) Elementary.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Casillas (Joseph) Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.2:1 | ▼ 20% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 36.2% | ▼ 35% | 55.5% | 51.7% |
| Enrollment | 431 | top 56% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Hispanic or Latino at 66.8% of enrollment.
Simpson diversity index - at 52.4, Casillas (Joseph) Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Chula Vista Elementary, which includes Casillas (Joseph) Elementary.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wolf Canyon Elementary | Larger | Lower economic need | Higher S:T ratio |
| Camarena (Enrique S.) Elementary | Larger | Lower economic need | Higher S:T ratio |
| Hedenkamp (Anne and William) Elementary | Larger | Similar economic need | Higher S:T ratio |
| Salt Creek Elementary | Larger | Lower economic need | Higher S:T ratio |
| Veterans Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Casillas (Joseph) Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) serving the same city.
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Casillas (Joseph) Elementary's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Casillas (Joseph) Elementary has 431 students enrolled. It is an elementary school in Chula Vista, CA.
The student-teacher ratio at Casillas (Joseph) Elementary is 17.2:1, which is 20% lower than the California average of 21.5:1 and 10% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
36.2% of students at Casillas (Joseph) Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Casillas (Joseph) Elementary is Hispanic or Latino at 66.8% of enrollment, in Chula Vista, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.4/100.
Casillas (Joseph) Elementary has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Casillas (Joseph) Elementary ranks #12 of 42 elementary schools in Chula Vista, 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 Chula Vista on the city page.
Casillas (Joseph) Elementary earns 37/100 on the Resource Investment Index, with class sizes smaller than 83% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Casillas (Joseph) Elementary, Chula Vista Elementary also operates Wolf Canyon Elementary (954 students), Camarena (Enrique S.) Elementary (889 students), and Hedenkamp (Anne and William) Elementary (855 students). See the Chula Vista Elementary district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Casillas (Joseph) Elementary, Chula Vista CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/casillas-joseph-elementary-ca
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