What percentage is each grade in IGCSE Biology?
Grade boundaries change every session, so percentages aren't fixed. Based on the Cambridge November 2025 boundaries for extended · papers 21, 41, 51, here's the percentage needed for each grade in Biology (0610).
| Grade | Min mark | Min percentage |
|---|---|---|
| A* | 162/200 | 81% |
| A | 139/200 | 70% |
| B | 116/200 | 58% |
| C | 94/200 | 47% |
| D | 81/200 | 41% |
| E | 69/200 | 35% |
| F | 57/200 | 29% |
| G | 45/200 | 23% |
Extended · Papers 21, 41, 51 · maximum mark 200 · November 2025.
FAQ
What percentage is a A* in IGCSE Biology?
In November 2025 (Extended · Papers 21, 41, 51), a A* needed about 81% (162/200). Boundaries shift slightly each session.
What percentage is a pass (C) in IGCSE Biology?
A grade C needed roughly 47% in November 2025. Grade 4 / C is generally treated as a standard pass.
Are these IGCSE Biology 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.