What percentage is each grade in A-Level Marine Science?
Grade boundaries change every session, so percentages aren't fixed. Based on the Cambridge November 2025 boundaries for papers 11, 21, 31, 41, here's the percentage needed for each grade in Marine Science (9693).
| Grade | Min mark | Min percentage |
|---|---|---|
| A* | 232/300 | 78% |
| A | 202/300 | 68% |
| B | 172/300 | 58% |
| C | 144/300 | 48% |
| D | 116/300 | 39% |
| E | 89/300 | 30% |
Papers 11, 21, 31, 41 · maximum mark 300 · November 2025.
FAQ
What percentage is an A* in A-Level Marine Science?
In November 2025 (Papers 11, 21, 31, 41), an A* needed about 78% (232/300). Boundaries shift slightly each session.
What percentage is a pass (grade E) in A-Level Marine Science?
A grade E — the minimum pass at A-Level — needed roughly 30% in November 2025. Anything below E is ungraded (U).
Are these A-Level 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.