IGCSE Computer Science (0478) grade boundaries — November 2025
Cambridge IGCSE (CAIE) (0478). The official grade thresholds for the November 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.
November 2025 at a glance
- A A* in Computer Science required 104/150 (70%) on extended · papers 11, 21.
- That A* threshold is 12 marks lower than June 2025 — slightly easier to achieve.
- A grade C needed roughly 30% on extended · papers 11, 21.
Extended · Papers 11, 21
| Grade | Min mark | Min % |
|---|---|---|
| A* | 104 | 70% |
| A | 84 | 57% |
| B | 64 | 43% |
| C | 45 | 30% |
| D | 37 | 25% |
| E | 29 | 20% |
| F | 22 | 15% |
| G | 15 | 10% |
Maximum mark: 150.
Extended · Papers 12, 22
| Grade | Min mark | Min % |
|---|---|---|
| A* | 104 | 70% |
| A | 84 | 57% |
| B | 64 | 43% |
| C | 45 | 30% |
| D | 37 | 25% |
| E | 29 | 20% |
| F | 22 | 15% |
| G | 15 | 10% |
Maximum mark: 150.
Extended · Papers 13, 23
| Grade | Min mark | Min % |
|---|---|---|
| A* | 104 | 70% |
| A | 84 | 57% |
| B | 64 | 43% |
| C | 45 | 30% |
| D | 37 | 25% |
| E | 29 | 20% |
| F | 22 | 15% |
| G | 15 | 10% |
Maximum mark: 150.
Calculate your Computer Science grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.