IGCSE Marine Science (0697) grade boundaries — June 2026
Cambridge IGCSE (CAIE) (0697). The official grade thresholds for the June 2026 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 2026 at a glance
- A A* in Marine Science required 129/160 (81%) on extended · papers 11, 21.
- That A* threshold is 2 marks higher than March 2026 — slightly harder to achieve.
- A grade C needed roughly 46% on extended · papers 11, 21.
Extended · Papers 11, 21
| Grade | Min mark | Min % |
|---|---|---|
| A* | 129 | 81% |
| A | 110 | 69% |
| B | 91 | 57% |
| C | 73 | 46% |
| D | 59 | 37% |
| E | 46 | 29% |
| F | 33 | 21% |
| G | 20 | 13% |
Maximum mark: 160.
Extended · Papers 12, 22
| Grade | Min mark | Min % |
|---|---|---|
| A* | 129 | 81% |
| A | 110 | 69% |
| B | 91 | 57% |
| C | 73 | 46% |
| D | 59 | 37% |
| E | 46 | 29% |
| F | 33 | 21% |
| G | 20 | 13% |
Maximum mark: 160.
Extended · Papers 13, 23
| Grade | Min mark | Min % |
|---|---|---|
| A* | 129 | 81% |
| A | 110 | 69% |
| B | 91 | 57% |
| C | 73 | 46% |
| D | 59 | 37% |
| E | 46 | 29% |
| F | 33 | 21% |
| G | 20 | 13% |
Maximum mark: 160.
Extended · Papers 50
| Grade | Min mark | Min % |
|---|---|---|
| A* | 78 | 87% |
| A | 69 | 77% |
| B | 60 | 67% |
| C | 51 | 57% |
| D | 42 | 47% |
| E | 33 | 37% |
| F | 24 | 27% |
| G | 15 | 17% |
Maximum mark: 90.
Calculate your Marine Science grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.