What percentage is each grade in IGCSE Biology (9-1)?

Grade boundaries change every session, so percentages aren't fixed. Based on the Cambridge June 2026 boundaries for papers 11, 31, 51, here's the percentage needed for each grade in Biology (9-1) (0970).

GradeMin markMin percentage
5126/20063%
4111/20056%
390/20045%
270/20035%
150/20025%

Papers 11, 31, 51 · maximum mark 200 · June 2026.

FAQ

What percentage is a 5 in IGCSE Biology (9-1)?

In June 2026 (Papers 11, 31, 51), a 5 needed about 63% (126/200). Boundaries shift slightly each session.

What percentage is a pass (4) in IGCSE Biology (9-1)?

A grade 4 needed roughly 56% in June 2026. Grade 4 / C is generally treated as a standard pass.

Are these IGCSE Biology (9-1) 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 (9-1) grade calculator →