IGCSE Science Combined (0653)
Cambridge IGCSE (CAIE). Estimate your grade, check grade boundaries by exam session, and see the percentage needed for each grade.
Science Combined 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.
Percentage needed for each grade
November 2025 · Extended · Papers 21, 41, 51 · max 200.
| Grade | Min mark | Min % |
|---|---|---|
| A* | 151 | 76% |
| A | 127 | 64% |
| B | 103 | 52% |
| C | 80 | 40% |
| D | 70 | 35% |
| E | 60 | 30% |
| F | 50 | 25% |
| G | 40 | 20% |
Science Combined grade boundaries by session
- Science Combined grade boundaries — November 2025 · 10 options
- Science Combined grade boundaries — June 2025 · 10 options
- Science Combined grade boundaries — March 2025 · 4 options
- Science Combined grade boundaries — November 2024 · 11 options
- Science Combined grade boundaries — June 2024 · 11 options
- Science Combined grade boundaries — March 2024 · 3 options