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).

GradeMin markMin percentage
A*162/20081%
A139/20070%
B116/20058%
C94/20047%
D81/20041%
E69/20035%
F57/20029%
G45/20023%

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.

Open the Biology grade calculator →