Castlemont Elementary vs Del Mar High
A head-to-head comparison of two schools in California, United States, 1.6 km apart, using official American 2025 data. The better value in each row is highlighted.
Castlemont Elementary
Campbell · Charter elementary · Grades K–5
436 students
Del Mar High
San Jose · Public high · Grades 9–12
1,350 students
| Measure | Castlemont Elementary Campbell, California | Del Mar High San Jose, California |
|---|---|---|
| Success Index (US) | 56 Top 50% | 38 Lower 50% |
| State rank | #1592 of 5,693 | #629 of 1,343 |
| National rank | #20943 of 50,301 | #11472 of 16,910 |
| Sector | Charter | Public |
| Type | Elementary | High |
| Year range | Grades K–5 | Grades 9–12 |
| Students | 436 | 1,350 |
| Enrollment | 436 | 1,350 |
| Free/reduced-price lunch | 50.9% | 69.6% |
| Students per teacher | 22.9 | 20.8 |
| Reading proficiency | 61% | 63% |
| Math proficiency | 55% | 27% |
| city | Campbell | San Jose |
| state | California | California |
| Website | – | – |
The verdict
- •Castlemont Elementary scores higher on the Success Index (US) (56.0 vs 37.9).
- •Castlemont Elementary does better on math proficiency (55% vs 27%).
- •Del Mar High does better on reading proficiency (63% vs 61%).
- •Castlemont Elementary does better on community advantage (fewer free/reduced-price lunch) (50.9% vs 69.6%).
- •Del Mar High does better on students per teacher (20.8 vs 22.9).
- •Del Mar High is the larger school with 1,350 students compared with 436.
- •Castlemont Elementary is a charter school while Del Mar High is a public 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 Castlemont Elementary better than Del Mar High?
On the Success Index (US), Castlemont Elementary ranks higher (56.0 vs 37.9 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 Castlemont Elementary and Del Mar High?
About 1.6 km in a straight line, between Campbell and San Jose in California.
Which has the better Enrollment?
Castlemont Elementary: 436. Del Mar High: 1,350. Students enrolled in the latest NCES directory year.
How do Castlemont Elementary and Del Mar High rank in California?
Castlemont Elementary is 1592nd of 5,693 and Del Mar High is 629th of 1,343 among elementary schools in California on the 2025 Success Index (US).