IGCSE Biology (4BI1) grade boundaries — June 2024
Edexcel International GCSE (Pearson) (4BI1). 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 Biology required 141/180 (79%) on overall (9–1).
- A grade 4 needed roughly 38% on overall (9–1).
Overall (9–1)
| Grade | Min mark | Min % |
|---|---|---|
| 9 | 141 | 79% |
| 8 | 126 | 70% |
| 7 | 111 | 62% |
| 6 | 96 | 54% |
| 5 | 82 | 46% |
| 4 | 68 | 38% |
| 3 | 56 | 32% |
| 2 | 44 | 25% |
| 1 | 33 | 19% |
Maximum mark: 180.
Overall · variant 2 (9–1)
| Grade | Min mark | Min % |
|---|---|---|
| 9 | 141 | 79% |
| 8 | 126 | 70% |
| 7 | 111 | 62% |
| 6 | 97 | 54% |
| 5 | 83 | 47% |
| 4 | 69 | 39% |
| 3 | 57 | 32% |
| 2 | 46 | 26% |
| 1 | 35 | 20% |
Maximum mark: 180.
Calculate your Biology grade →
Figures sourced from the official Edexcel grade threshold tables. Always confirm with your exam board.