IGCSE Marine Science (0697) grade boundaries — March 2026
Cambridge IGCSE (CAIE) (0697). The official grade thresholds for the March 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.
March 2026 at a glance
- A A* in Marine Science required 127/160 (80%) on extended · papers 12, 22.
- That A* threshold is 1 mark higher than November 2025 — slightly harder to achieve.
- A grade C needed roughly 47% on extended · papers 12, 22.
Extended · Papers 12, 22
| Grade | Min mark | Min % |
|---|---|---|
| A* | 127 | 80% |
| A | 109 | 69% |
| B | 91 | 57% |
| C | 74 | 47% |
| D | 62 | 39% |
| E | 50 | 32% |
| F | 37 | 24% |
| G | 24 | 15% |
Maximum mark: 160.
Calculate your Marine Science grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.