International School for Science and Culture vs Mariners Elementary
A head-to-head comparison of two elementary schools in California, United States, 471 m apart, using official American 2025 data. The better value in each row is highlighted.
International School for Science and Culture
Costa Mesa · Charter elementary · Grades K–8
97 students
Mariners Elementary
Newport Beach · Public elementary · Grades K–6
573 students
| Measure | International School for Science and Culture Costa Mesa, California | Mariners Elementary Newport Beach, California |
|---|---|---|
| Success Index (US) | 59 Top 50% | 80 Top 10% |
| State rank | #1425 of 5,693 | #271 of 5,693 |
| National rank | #18921 of 50,301 | #4904 of 50,301 |
| Sector | Charter | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–8 | Grades K–6 |
| Students | 97 | 573 |
| Enrollment | 97 | 573 |
| Free/reduced-price lunch | 41.2% | 21.6% |
| Students per teacher | 19.4 | 19.1 |
| Reading proficiency | – | 83% |
| Math proficiency | – | 75% |
| city | Costa Mesa | Newport Beach |
| state | California | California |
| Website | – | – |
The verdict
- •Mariners Elementary scores higher on the Success Index (US) (80.2 vs 58.9).
- •Mariners Elementary does better on community advantage (fewer free/reduced-price lunch) (21.6% vs 41.2%).
- •Mariners Elementary does better on students per teacher (19.1 vs 19.4).
- •Mariners Elementary is the larger school with 573 students compared with 97.
- •International School for Science and Culture is a charter school while Mariners Elementary 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 International School for Science and Culture better than Mariners Elementary?
On the Success Index (US), Mariners Elementary ranks higher (80.2 vs 58.9 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 International School for Science and Culture and Mariners Elementary?
About 471 m in a straight line, between Costa Mesa and Newport Beach in California.
Which has the better Enrollment?
International School for Science and Culture: 97. Mariners Elementary: 573. Students enrolled in the latest NCES directory year.
How do International School for Science and Culture and Mariners Elementary rank in California?
International School for Science and Culture is 1425th of 5,693 and Mariners Elementary is 271st of 5,693 among elementary schools in California on the 2025 Success Index (US).