Your grade journey
Cambridge A level Marine Sciencegrade boundaries
Explore official boundaries. See where your marks take you.
96935 official seriesMaximum mark 300
Exam series
Your papers
This subject has 11 paper routes with different boundaries. Pick each paper you sat.
Route: papers 11 · 21 · 31 · 41
Flight log / June 2026
Grade boundaries
OfficialPapers 11, 21, 31, 41 · Out of 300
Grade A*
230
marks / 300
Grade A
200
marks / 300
Grade C
143
marks / 300
Grade E
89
marks / 300
All grade thresholds
| Grade | Minimum mark | Mark range | % of maximum |
|---|---|---|---|
| A* | 230 | 230–300 | 77% |
| A | 200 | 200–229 | 67% |
| B | 170 | 170–199 | 57% |
| C | 143 | 143–169 | 48% |
| D | 116 | 116–142 | 39% |
| E | 89 | 89–115 | 30% |
| U | Below 89 | ||
These boundaries apply to this exam series and route.
How these boundaries have changed
Papers 11, 21, 31, 41, every official series. Boundaries move each year with how hard the papers were.
| Series | A* | A | B | C | D | E |
|---|---|---|---|---|---|---|
| June 2026 | 230+2 | 200 | 170-2 | 143-1 | 116-1 | 89-1 |
| November 2025 | 232+1 | 202+2 | 172+3 | 144+3 | 116+3 | 89+4 |
| June 2025 | 228+2 | 200+9 | 172+16 | 144+15 | 117+15 | 90+14 |
| November 2024 | 231 | 200 | 169 | 141 | 113 | 85 |
| June 2024 | 226 | 191 | 156 | 129 | 102 | 76 |
+ higher than the same series a year earlier (harder to reach) · − lower (easier to reach).
Grade calculator
June 2026 · Papers 11, 21, 31, 41
Enter your mark for each paper to see your grade.
200 marks needed for Grade A.
Frequently asked questions
What did you need for a grade E in Marine Science in June 2026?
In June 2026, grade E in Cambridge A level Marine Science (9693) needed 89 out of 300 on papers 11, 21, 31, 41; 91 out of 300 on papers 12, 22, 32, 42; 93 out of 300 on papers 13, 23, 33, 43.
What was the boundary for a grade A* in June 2026?
230 out of 300 on papers 11, 21, 31, 41; 229 out of 300 on papers 12, 22, 32, 42; 230 out of 300 on papers 13, 23, 33, 43 — the top grade for A level Marine Science in June 2026.
How is my grade worked out?
Your marks from each paper are added up (scaled by a weighting factor where papers count differently) to give your subject mark, which is then compared with the boundaries. Your grade comes from the total — not from each paper separately.
When will the next boundaries be published?
Cambridge publishes grade boundaries on results day for each series. Until then, any figures shown for a future series are Starley estimates, clearly labelled, based on recent years.