Grade boundaries
Edexcel A-level Biology B 9BI0 grade boundaries June 2025
The least raw mark that reached each grade in June 2025, as Edexcel printed it, for the whole subject and each paper.
From Edexcel’s grade boundaries for June 2025: the board’s document.
| Grade | Whole subjectout of 300 | 9BI0/1out of 90 | 9BI0/2out of 90 | 9BI0/3out of 120 |
|---|---|---|---|---|
| A* | 217 | 59 | 73 | 85 |
| A | 188 | 51 | 63 | 74 |
| B | 160 | 43 | 54 | 63 |
| C | 132 | 35 | 45 | 52 |
| D | 105 | 27 | 36 | 41 |
| E | 78 | 20 | 28 | 30 |
Marks for each grade
In total
- 217 out of 300 on Edexcel 9BI0 in total was a grade A* in June 2025.
- 188 out of 300 on Edexcel 9BI0 in total was a grade A in June 2025.
- 160 out of 300 on Edexcel 9BI0 in total was a grade B in June 2025.
- 132 out of 300 on Edexcel 9BI0 in total was a grade C in June 2025.
- 105 out of 300 on Edexcel 9BI0 in total was a grade D in June 2025.
- 78 out of 300 on Edexcel 9BI0 in total was a grade E in June 2025.
Paper 9BI0/1
- 59 out of 90 on Edexcel 9BI0 paper 9BI0/1 was a grade A* in June 2025.
- 51 out of 90 on Edexcel 9BI0 paper 9BI0/1 was a grade A in June 2025.
- 43 out of 90 on Edexcel 9BI0 paper 9BI0/1 was a grade B in June 2025.
- 35 out of 90 on Edexcel 9BI0 paper 9BI0/1 was a grade C in June 2025.
- 27 out of 90 on Edexcel 9BI0 paper 9BI0/1 was a grade D in June 2025.
- 20 out of 90 on Edexcel 9BI0 paper 9BI0/1 was a grade E in June 2025.
Paper 9BI0/2
- 73 out of 90 on Edexcel 9BI0 paper 9BI0/2 was a grade A* in June 2025.
- 63 out of 90 on Edexcel 9BI0 paper 9BI0/2 was a grade A in June 2025.
- 54 out of 90 on Edexcel 9BI0 paper 9BI0/2 was a grade B in June 2025.
- 45 out of 90 on Edexcel 9BI0 paper 9BI0/2 was a grade C in June 2025.
- 36 out of 90 on Edexcel 9BI0 paper 9BI0/2 was a grade D in June 2025.
- 28 out of 90 on Edexcel 9BI0 paper 9BI0/2 was a grade E in June 2025.
Paper 9BI0/3
- 85 out of 120 on Edexcel 9BI0 paper 9BI0/3 was a grade A* in June 2025.
- 74 out of 120 on Edexcel 9BI0 paper 9BI0/3 was a grade A in June 2025.
- 63 out of 120 on Edexcel 9BI0 paper 9BI0/3 was a grade B in June 2025.
- 52 out of 120 on Edexcel 9BI0 paper 9BI0/3 was a grade C in June 2025.
- 41 out of 120 on Edexcel 9BI0 paper 9BI0/3 was a grade D in June 2025.
- 30 out of 120 on Edexcel 9BI0 paper 9BI0/3 was a grade E in June 2025.