What percentage is each grade in IGCSE Marine Science?
Grade boundaries change every session, so percentages aren't fixed. Based on the Cambridge November 2025 boundaries for extended · papers 12, 22, here's the percentage needed for each grade in Marine Science (0697).
| Grade | Min mark | Min percentage |
|---|---|---|
| A* | 126/160 | 79% |
| A | 106/160 | 67% |
| B | 86/160 | 54% |
| C | 66/160 | 42% |
| D | 54/160 | 34% |
| E | 42/160 | 27% |
| F | 30/160 | 19% |
| G | 18/160 | 12% |
Extended · Papers 12, 22 · maximum mark 160 · November 2025.
FAQ
What percentage is a A* in IGCSE Marine Science?
In November 2025 (Extended · Papers 12, 22), a A* needed about 79% (126/160). Boundaries shift slightly each session.
What percentage is a pass (C) in IGCSE Marine Science?
A grade C needed roughly 42% in November 2025. Grade 4 / C is generally treated as a standard pass.
Are these IGCSE Marine 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.