IGCSE Science (Single Award) 4SS0 grade boundaries — June 2025
Edexcel International GCSE (Pearson) (4SS0). The official grade thresholds for the June 2025 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 2025 at a glance
- A 9 in Science (Single Award) required 156/180 (87%) on overall (9–1).
- That 9 threshold is 4 marks higher than June 2024 — slightly harder to achieve.
- A grade 4 needed roughly 49% on overall (9–1).
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.