IGCSE Biology (0610) grade boundaries — March 2025
Cambridge IGCSE (CAIE) (0610). The official grade thresholds for the March 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.
March 2025 at a glance
- A A* in Biology required 162/200 (81%) on extended · papers 22, 42, 52.
- That A* threshold is 8 marks lower than November 2024 — slightly easier to achieve.
- A grade C needed roughly 51% on extended · papers 22, 42, 52.
Extended · Papers 22, 42, 52
| Grade | Min mark | Min % |
|---|---|---|
| A* | 162 | 81% |
| A | 142 | 71% |
| B | 122 | 61% |
| C | 102 | 51% |
| D | 88 | 44% |
| E | 74 | 37% |
| F | 60 | 30% |
| G | 46 | 23% |
Maximum mark: 200.
Extended · Papers 22, 42, 62
| Grade | Min mark | Min % |
|---|---|---|
| A* | 162 | 81% |
| A | 142 | 71% |
| B | 122 | 61% |
| C | 102 | 51% |
| D | 88 | 44% |
| E | 74 | 37% |
| F | 60 | 30% |
| G | 46 | 23% |
Maximum mark: 200.
Core · Papers 12, 32, 52
| Grade | Min mark | Min % |
|---|---|---|
| C | 120 | 60% |
| D | 105 | 53% |
| E | 90 | 45% |
| F | 77 | 39% |
| G | 64 | 32% |
Maximum mark: 200.
Core · Papers 12, 32, 62
| Grade | Min mark | Min % |
|---|---|---|
| C | 120 | 60% |
| D | 105 | 53% |
| E | 90 | 45% |
| F | 77 | 39% |
| G | 64 | 32% |
Maximum mark: 200.
Calculate your Biology grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.