Casillas (Joseph) Elementary vs Discovery Charter
A head-to-head comparison of two elementary schools in California, United States, 1.5 km apart, using official American 2025 data. The better value in each row is highlighted.
Casillas (Joseph) Elementary
Chula Vista · Public elementary · Grades K–6
431 students
Discovery Charter
Chula Vista · Charter elementary · Grades K–8
945 students
| Measure | Casillas (Joseph) Elementary Chula Vista, California | Discovery Charter Chula Vista, California |
|---|---|---|
| Success Index (US) | 67 Top 50% | 73 Top 25% |
| State rank | #1004 of 5,693 | #634 of 5,693 |
| National rank | #13556 of 50,301 | #9104 of 50,301 |
| Sector | Public | Charter |
| Type | Elementary | Elementary |
| Year range | Grades K–6 | Grades K–8 |
| Students | 431 | 945 |
| Enrollment | 431 | 945 |
| Free/reduced-price lunch | 45.2% | 31.4% |
| Students per teacher | 20.5 | 24.2 |
| Reading proficiency | 73% | 78% |
| Math proficiency | 62% | 68% |
| city | Chula Vista | Chula Vista |
| state | California | California |
| Website | – | – |
The verdict
- •Discovery Charter scores higher on the Success Index (US) (73.2 vs 66.8).
- •Discovery Charter does better on math proficiency (68% vs 62%).
- •Discovery Charter does better on reading proficiency (78% vs 73%).
- •Discovery Charter does better on community advantage (fewer free/reduced-price lunch) (31.4% vs 45.2%).
- •Casillas (Joseph) Elementary does better on students per teacher (20.5 vs 24.2).
- •Discovery Charter is the larger school with 945 students compared with 431.
- •Casillas (Joseph) Elementary is a public school while Discovery Charter is a charter school, so fees and admission rules differ.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Casillas (Joseph) Elementary better than Discovery Charter?
On the Success Index (US), Discovery Charter ranks higher (73.2 vs 66.8 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Casillas (Joseph) Elementary and Discovery Charter?
About 1.5 km in a straight line, between Chula Vista and Chula Vista in California.
Which has the better Enrollment?
Casillas (Joseph) Elementary: 431. Discovery Charter: 945. Students enrolled in the latest NCES directory year.
How do Casillas (Joseph) Elementary and Discovery Charter rank in California?
Casillas (Joseph) Elementary is 1004th of 5,693 and Discovery Charter is 634th of 5,693 among elementary schools in California on the 2025 Success Index (US).