Your grade journey
OCR A level Geologygrade boundaries
Explore official boundaries. See where your marks take you.
H4143 official seriesMaximum mark 270
Exam series
Flight log / June 2026
Grade boundaries
OfficialAll papers · 01 / 02 / 03 · Out of 270
Grade A*
191
marks / 270
Grade A
165
marks / 270
Grade C
114
marks / 270
Grade E
64
marks / 270
All grade thresholds
| Grade | Minimum mark | Mark range | % of maximum |
|---|---|---|---|
| A* | 191 | 191–270 | 71% |
| A | 165 | 165–190 | 61% |
| B | 139 | 139–164 | 51% |
| C | 114 | 114–138 | 42% |
| D | 89 | 89–113 | 33% |
| E | 64 | 64–88 | 24% |
| U | Below 64 | ||
These boundaries apply to this exam series and route.
How these boundaries have changed
All papers, every official series. Boundaries move each year with how hard the papers were.
| Series | A* | A | B | C | D | E |
|---|---|---|---|---|---|---|
| June 2026 | 191-7 | 165-7 | 139-7 | 114-6 | 89-5 | 64-5 |
| June 2025 | 198+14 | 172+13 | 146+12 | 120+11 | 94+9 | 69+8 |
| June 2024 | 184 | 159 | 134 | 109 | 85 | 61 |
+ higher than the same series a year earlier (harder to reach) · − lower (easier to reach).
Grade calculator
June 2026 · All papers
Enter your mark for each paper to see your grade.
165 marks needed for Grade A.
Frequently asked questions
What did you need for a grade E in Geology in June 2026?
In June 2026, grade E in OCR A level Geology (H414) needed 64 out of 270 on all papers.
What was the boundary for a grade A* in June 2026?
191 out of 270 on all papers — the top grade for A level Geology 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?
OCR 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.