Your grade journey
AQA A level Biologygrade boundaries
Explore official boundaries. See where your marks take you.
74023 official seriesMaximum mark 260
Exam series
Flight log / June 2026
Grade boundaries
OfficialAll papers · 1 / 2 / 3 · Out of 260
Grade A*
199
marks / 260
Grade A
174
marks / 260
Grade C
118
marks / 260
Grade E
63
marks / 260
All grade thresholds
| Grade | Minimum mark | Mark range | % of maximum |
|---|---|---|---|
| A* | 199 | 199–260 | 77% |
| A | 174 | 174–198 | 67% |
| B | 146 | 146–173 | 56% |
| C | 118 | 118–145 | 45% |
| D | 90 | 90–117 | 35% |
| E | 63 | 63–89 | 24% |
| U | Below 63 | ||
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 | 199+7 | 174+9 | 146+7 | 118+5 | 90+2 | 63 |
| June 2025 | 192 | 165 | 139-1 | 113-2 | 88-3 | 63-4 |
| June 2024 | 192 | 165 | 140 | 115 | 91 | 67 |
+ 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.
174 marks needed for Grade A.
Frequently asked questions
What did you need for a grade E in Biology in June 2026?
In June 2026, grade E in AQA A level Biology (7402) needed 63 out of 260 on all papers.
What was the boundary for a grade A* in June 2026?
199 out of 260 on all papers — the top grade for A level Biology 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?
AQA 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.