What percentage is each grade in IGCSE Combined Science?
Grade boundaries change every session, so percentages aren't fixed. Based on the Cambridge June 2026 boundaries for extended · papers 21, 41, 51, here's the percentage needed for each grade in Combined Science (0653).
| Grade | Min mark | Min percentage |
|---|---|---|
| A* | 146/200 | 73% |
| A | 124/200 | 62% |
| B | 102/200 | 51% |
| C | 80/200 | 40% |
| D | 69/200 | 35% |
| E | 59/200 | 30% |
| F | 49/200 | 25% |
| G | 39/200 | 20% |
Extended · Papers 21, 41, 51 · maximum mark 200 · June 2026.
FAQ
What percentage is a A* in IGCSE Combined Science?
In June 2026 (Extended · Papers 21, 41, 51), a A* needed about 73% (146/200). Boundaries shift slightly each session.
What percentage is a pass (C) in IGCSE Combined Science?
A grade C needed roughly 40% in June 2026. Grade 4 / C is generally treated as a standard pass.
Are these IGCSE Combined Science percentages official?
They are derived from the official Cambridge grade threshold tables. Boundaries are set per session, so use these as a guide and confirm with your exam board.