IGCSE Marine Science grade boundaries — November 2025
Cambridge IGCSE (CAIE) (0697). Minimum raw marks for each grade in the November 2025 series, by tier and paper combination. Pick the option matching the papers you sat.
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.