IGCSE Science Combined grade boundaries — March 2025
Cambridge IGCSE (CAIE) (0653). Minimum raw marks for each grade in the March 2025 series, by tier and paper combination. Pick the option matching the papers you sat.
March 2025 at a glance
- A A* in Science Combined required 154/200 (77%) on extended · papers 22, 42, 52.
- That A* threshold is 1 mark lower than November 2024 — slightly easier to achieve.
- A grade C needed roughly 40% on extended · papers 22, 42, 52.
Extended · Papers 22, 42, 52
| Grade | Min mark | Min % |
|---|---|---|
| A* | 154 | 77% |
| A | 129 | 65% |
| B | 104 | 52% |
| C | 80 | 40% |
| D | 68 | 34% |
| E | 56 | 29% |
| F | 44 | 22% |
| G | 32 | 16% |
Maximum mark: 200.
Extended · Papers 22, 42, 62
| Grade | Min mark | Min % |
|---|---|---|
| A* | 154 | 77% |
| A | 129 | 65% |
| B | 104 | 52% |
| C | 80 | 40% |
| D | 68 | 34% |
| E | 56 | 29% |
| F | 44 | 22% |
| G | 32 | 16% |
Maximum mark: 200.
Core · Papers 12, 32, 52
| Grade | Min mark | Min % |
|---|---|---|
| C | 98 | 49% |
| D | 83 | 42% |
| E | 69 | 35% |
| F | 53 | 27% |
| G | 37 | 19% |
Maximum mark: 200.
Core · Papers 12, 32, 62
| Grade | Min mark | Min % |
|---|---|---|
| C | 98 | 49% |
| D | 83 | 42% |
| E | 69 | 35% |
| F | 53 | 27% |
| G | 37 | 19% |
Maximum mark: 200.
Calculate your Science Combined grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.