IGCSE Marine Science (0697) grade boundaries — November 2025
Cambridge IGCSE (CAIE) (0697). The official grade thresholds for the November 2025 series — the minimum raw mark needed for each grade, by tier and paper combination. Pick the option matching the papers you sat.
Cambridge publishes these as grade threshold tables: "grade thresholds" and "grade boundaries" are two names for the same numbers.
November 2025 at a glance
- A A* in Marine Science required 126/160 (79%) on extended · papers 12, 22.
- That A* threshold is 3 marks higher than June 2025 — slightly harder to achieve.
- A grade C needed roughly 42% on extended · papers 12, 22.
Extended · Papers 12, 22
| 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% |
Maximum mark: 160.
Extended · Papers 13, 23
| 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% |
Maximum mark: 160.
Calculate your Marine Science grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.