OCR A level Biology A grade boundaries
Specification H420
June 2025 · A-level
270 marks in totalOfficial exam-board qualification boundaries. Use marks from this specification, entry option and exam series. A single paper is not a qualification grade.
Qualification boundaries
| Grade | Marks | Percentage |
|---|---|---|
| A* | 187 | 69.3% |
| A | 161 | 59.6% |
| B | 137 | 50.7% |
| C | 113 | 41.9% |
| D | 90 | 33.3% |
| E | 67 | 24.8% |
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Other recorded years
Each row uses its own recorded maximum. Comparisons do not predict the next series.