IGCSE Science (Single Award) grade boundaries — June 2025
Edexcel International GCSE (Pearson) (4SS0). Minimum raw marks for each grade in the June 2025 series, by tier and paper combination. Pick the option matching the papers you sat.
Overall (9–1)
| Grade | Min mark | Min % |
|---|---|---|
| 9 | 156 | 87% |
| 8 | 141 | 79% |
| 7 | 127 | 71% |
| 6 | 114 | 64% |
| 5 | 101 | 57% |
| 4 | 88 | 49% |
| 3 | 74 | 42% |
| 2 | 60 | 34% |
| 1 | 47 | 27% |
Maximum mark: 180.
Calculate your Science (Single Award) grade →
Figures sourced from the official Edexcel grade threshold tables. Always confirm with your exam board.