Grade boundaries
WJEC A-level Biology A400QS grade boundaries June 2025
The least raw mark that reached each grade in June 2025, as WJEC printed it, for the whole subject and each paper.
From WJEC’s grade boundaries for June 2025: the board’s document.
| Grade | Whole subjectout of 300 | A400U10out of 100 | A400U20out of 100 | A400U30out of 100 |
|---|---|---|---|---|
| A* | 230 | 74 | 80 | 76 |
| A | 203 | 64 | 72 | 67 |
| B | 172 | 54 | 62 | 56 |
| C | 142 | 44 | 53 | 45 |
| D | 112 | 34 | 43 | 35 |
| E | 82 | 25 | 32 | 25 |
Marks for each grade
In total
- 230 out of 300 on WJEC A400QS in total was a grade A* in June 2025.
- 203 out of 300 on WJEC A400QS in total was a grade A in June 2025.
- 172 out of 300 on WJEC A400QS in total was a grade B in June 2025.
- 142 out of 300 on WJEC A400QS in total was a grade C in June 2025.
- 112 out of 300 on WJEC A400QS in total was a grade D in June 2025.
- 82 out of 300 on WJEC A400QS in total was a grade E in June 2025.
Paper A400U10
- 74 out of 100 on WJEC A400QS paper A400U10 was a grade A* in June 2025.
- 64 out of 100 on WJEC A400QS paper A400U10 was a grade A in June 2025.
- 54 out of 100 on WJEC A400QS paper A400U10 was a grade B in June 2025.
- 44 out of 100 on WJEC A400QS paper A400U10 was a grade C in June 2025.
- 34 out of 100 on WJEC A400QS paper A400U10 was a grade D in June 2025.
- 25 out of 100 on WJEC A400QS paper A400U10 was a grade E in June 2025.
Paper A400U20
- 80 out of 100 on WJEC A400QS paper A400U20 was a grade A* in June 2025.
- 72 out of 100 on WJEC A400QS paper A400U20 was a grade A in June 2025.
- 62 out of 100 on WJEC A400QS paper A400U20 was a grade B in June 2025.
- 53 out of 100 on WJEC A400QS paper A400U20 was a grade C in June 2025.
- 43 out of 100 on WJEC A400QS paper A400U20 was a grade D in June 2025.
- 32 out of 100 on WJEC A400QS paper A400U20 was a grade E in June 2025.
Paper A400U30
- 76 out of 100 on WJEC A400QS paper A400U30 was a grade A* in June 2025.
- 67 out of 100 on WJEC A400QS paper A400U30 was a grade A in June 2025.
- 56 out of 100 on WJEC A400QS paper A400U30 was a grade B in June 2025.
- 45 out of 100 on WJEC A400QS paper A400U30 was a grade C in June 2025.
- 35 out of 100 on WJEC A400QS paper A400U30 was a grade D in June 2025.
- 25 out of 100 on WJEC A400QS paper A400U30 was a grade E in June 2025.