IGCSE Chemistry (4CH1) grade boundaries — June 2024
Edexcel International GCSE (Pearson) (4CH1). The official grade thresholds for the June 2024 series — the minimum raw mark needed for each grade, by tier and paper combination. Pick the option matching the papers you sat.
Edexcel publishes these as grade threshold tables: "grade thresholds" and "grade boundaries" are two names for the same numbers.
June 2024 at a glance
- A 9 in Chemistry required 146/180 (82%) on overall (9–1).
- Across paper variants, the 9 boundary ranged from 146 to 147 marks — variant choice mattered this session.
- A grade 4 needed roughly 39% on overall (9–1).
Overall (9–1)
| Grade | Min mark | Min % |
|---|---|---|
| 9 | 146 | 82% |
| 8 | 127 | 71% |
| 7 | 109 | 61% |
| 6 | 96 | 54% |
| 5 | 83 | 47% |
| 4 | 70 | 39% |
| 3 | 55 | 31% |
| 2 | 41 | 23% |
| 1 | 27 | 15% |
Maximum mark: 180.
Overall · variant 2 (9–1)
| Grade | Min mark | Min % |
|---|---|---|
| 9 | 147 | 82% |
| 8 | 127 | 71% |
| 7 | 107 | 60% |
| 6 | 94 | 53% |
| 5 | 81 | 45% |
| 4 | 69 | 39% |
| 3 | 54 | 30% |
| 2 | 39 | 22% |
| 1 | 24 | 14% |
Maximum mark: 180.
Calculate your Chemistry grade →
Figures sourced from the official Edexcel grade threshold tables. Always confirm with your exam board.