IGCSE Marine Science (0697)
Cambridge IGCSE (CAIE). Estimate your grade, check grade boundaries by exam session, and see the percentage needed for each grade.
Marine Science grade calculator
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Estimated grade
Show grade thresholds for this option
| Grade | Min mark | Min % |
|---|
Pick the tier and paper variant you sat. Boundaries differ between Core and Extended and between paper variants (exam zones), so choose the option that matches your papers.
Percentage needed for each grade
November 2025 · Extended · Papers 12, 22 · max 160.
| Grade | Min mark | Min % |
|---|---|---|
| A* | 126 | 79% |
| A | 106 | 67% |
| B | 86 | 54% |
| C | 66 | 42% |
| D | 54 | 34% |
| E | 42 | 27% |
| F | 30 | 19% |
| G | 18 | 12% |
Marine Science grade boundaries by session
- Marine Science grade boundaries — November 2025 · 2 options
- Marine Science grade boundaries — June 2025 · 3 options
- Marine Science grade boundaries — June 2024 · 3 options