IGCSE Computer Science (0478) grade boundaries — March 2025
Cambridge IGCSE (CAIE) (0478). 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 Computer Science required 124/150 (83%) on extended · papers 12, 22.
- That A* threshold is 17 marks higher than November 2024 — slightly harder to achieve.
- A grade C needed roughly 43% on extended · papers 12, 22.
Extended · Papers 12, 22
| Grade | Min mark | Min % |
|---|---|---|
| A* | 124 | 83% |
| A | 104 | 70% |
| B | 84 | 57% |
| C | 64 | 43% |
| D | 54 | 36% |
| E | 44 | 30% |
| F | 34 | 23% |
| G | 24 | 16% |
Maximum mark: 150.
Calculate your Computer Science grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.