IGCSE Marine Science (0697) grade boundaries — June 2025
Cambridge IGCSE (CAIE) (0697). The official grade thresholds for the June 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.
June 2025 at a glance
- A A* in Marine Science required 123/160 (77%) on extended · papers 11, 21.
- That A* threshold is 4 marks lower than June 2024 — slightly easier to achieve.
- A grade C needed roughly 44% on extended · papers 11, 21.
Extended · Papers 11, 21
| Grade | Min mark | Min % |
|---|---|---|
| A* | 123 | 77% |
| A | 105 | 66% |
| B | 87 | 55% |
| C | 70 | 44% |
| D | 58 | 37% |
| E | 46 | 29% |
| F | 33 | 21% |
| G | 20 | 13% |
Maximum mark: 160.
Extended · Papers 12, 22
| Grade | Min mark | Min % |
|---|---|---|
| A* | 123 | 77% |
| A | 105 | 66% |
| B | 87 | 55% |
| C | 70 | 44% |
| D | 58 | 37% |
| E | 46 | 29% |
| F | 33 | 21% |
| G | 20 | 13% |
Maximum mark: 160.
Extended · Papers 13, 23
| Grade | Min mark | Min % |
|---|---|---|
| A* | 123 | 77% |
| A | 105 | 66% |
| B | 87 | 55% |
| C | 70 | 44% |
| D | 58 | 37% |
| E | 46 | 29% |
| F | 33 | 21% |
| G | 20 | 13% |
Maximum mark: 160.
Calculate your Marine Science grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.