IGCSE Science (Single Award) 4SS0 grade boundaries — June 2026
Edexcel International GCSE (Pearson) (4SS0). The official grade thresholds for the June 2026 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 2026 at a glance
- A 9 in Science (Single Award) required 161/180 (90%) on overall (9–1).
- That 9 threshold is 5 marks higher than June 2025 — slightly harder to achieve.
- A grade 4 needed roughly 48% on overall (9–1).
Overall (9–1)
| Grade | Min mark | Min % |
|---|---|---|
| 9 | 161 | 90% |
| 8 | 145 | 81% |
| 7 | 130 | 73% |
| 6 | 115 | 64% |
| 5 | 100 | 56% |
| 4 | 86 | 48% |
| 3 | 70 | 39% |
| 2 | 54 | 30% |
| 1 | 38 | 22% |
Maximum mark: 180.
Calculate your Science (Single Award) grade →
Figures sourced from the official Edexcel grade threshold tables. Always confirm with your exam board.