IGCSE Human Biology (4HB1) grade boundaries — June 2024
Edexcel International GCSE (Pearson) (4HB1). 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 Human Biology required 152/180 (85%) on overall (9–1).
- Across paper variants, the 9 boundary ranged from 148 to 152 marks — variant choice mattered this session.
- A grade 4 needed roughly 49% on overall (9–1).
Overall (9–1)
| Grade | Min mark | Min % |
|---|---|---|
| 9 | 152 | 85% |
| 8 | 140 | 78% |
| 7 | 129 | 72% |
| 6 | 115 | 64% |
| 5 | 101 | 57% |
| 4 | 88 | 49% |
| 3 | 70 | 39% |
| 2 | 52 | 29% |
| 1 | 34 | 19% |
Maximum mark: 180.
Overall · variant 2 (9–1)
| Grade | Min mark | Min % |
|---|---|---|
| 9 | 148 | 83% |
| 8 | 139 | 78% |
| 7 | 130 | 73% |
| 6 | 119 | 67% |
| 5 | 109 | 61% |
| 4 | 99 | 56% |
| 3 | 82 | 46% |
| 2 | 65 | 37% |
| 1 | 48 | 27% |
Maximum mark: 180.
Calculate your Human Biology grade →
Figures sourced from the official Edexcel grade threshold tables. Always confirm with your exam board.