Biology grade boundaries
Every AQA AS Biology boundary set we hold —3 awards across 3 series. Marks are raw marks for the whole subject, and every table links to the document it came from.
Grade A boundary over time
Shown as a percentage of the maximum mark, because the maximum changes when a board reforms a specification and raw marks stop being comparable.
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Turn a mark into a grade
This is the total for the whole subject, not one paper. Working from paper marks? Use the paper calculator below.
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Enter a mark to place it on the scale.
June 2026Latest
Open June 2026 with calculators →| Award | Code | Max | A | B | C | D | E |
|---|---|---|---|---|---|---|---|
| Biology | 7401 | 150 | 10268 | 8959 | 7751 | 6543 | 5335 |
June 2025
Open June 2025 with calculators →| Award | Code | Max | A | B | C | D | E |
|---|---|---|---|---|---|---|---|
| Biology | 7401 | 150 | 9362 | 8154 | 6946 | 5738 | 4530 |
June 2024
Open June 2024 with calculators →| Award | Code | Max | A | B | C | D | E |
|---|---|---|---|---|---|---|---|
| Biology | 7401 | 150 | 10067 | 8859 | 7651 | 6443 | 5235 |