What percentage is each grade in IGCSE Biology?
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 Biology (0610).
| Grade | Min mark | Min percentage |
|---|---|---|
| A* | 165/200 | 83% |
| A | 137/200 | 69% |
| B | 109/200 | 55% |
| C | 82/200 | 41% |
| D | 72/200 | 36% |
| E | 63/200 | 32% |
| F | 53/200 | 27% |
| G | 43/200 | 22% |
Extended · Papers 21, 41, 51 · maximum mark 200 · June 2026.
FAQ
What percentage is a A* in IGCSE Biology?
In June 2026 (Extended · Papers 21, 41, 51), a A* needed about 83% (165/200). Boundaries shift slightly each session.
What percentage is a pass (C) in IGCSE Biology?
A grade C needed roughly 41% in June 2026. 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.