IGCSE Computer Science (0478)
Cambridge IGCSE (CAIE). Estimate your grade, check grade boundaries by exam session, and see the percentage needed for each grade.
Computer Science grade calculator
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Estimated grade
Show grade thresholds for this option
| Grade | Min mark | Min % |
|---|
Pick the tier and paper variant you sat. Boundaries differ between Core and Extended and between paper variants (exam zones), so choose the option that matches your papers. Spot a wrong number? Report it.
Percentage needed for each grade
June 2026 · Extended · Papers 11, 21 · max 150.
| Grade | Min mark | Min % |
|---|---|---|
| A* | 117 | 78% |
| A | 93 | 62% |
| B | 69 | 46% |
| C | 46 | 31% |
| D | 39 | 26% |
| E | 32 | 22% |
| F | 25 | 17% |
| G | 18 | 12% |
Computer Science grade boundaries by session
- Computer Science grade boundaries — June 2026 · 4 options
- Computer Science grade boundaries — March 2026 · 1 options
- Computer Science grade boundaries — November 2025 · 3 options
- Computer Science grade boundaries — June 2025 · 4 options
- Computer Science grade boundaries — March 2025 · 1 options
- Computer Science grade boundaries — November 2024 · 3 options
- Computer Science grade boundaries — June 2024 · 4 options
- Computer Science grade boundaries — March 2024 · 1 options