Grade boundaries
Cambridge Cambridge O Level Biology 5090 grade boundaries June 2025
The least raw mark that reached each grade in June 2025, as Cambridge printed it, for the whole subject and each paper.
From Cambridge’s grade boundaries for June 2025: the board’s document.
| Grade | Whole subject (11, 21, 31)out of 200 | Whole subject (11, 21, 41)out of 200 | Whole subject (12, 22, 32)out of 200 | Whole subject (12, 22, 42)out of 200 | 5090/11out of 40 | 5090/12out of 40 | 5090/21out of 80 | 5090/22out of 80 | 5090/31out of 40 | 5090/32out of 40 | 5090/41out of 40 | 5090/42out of 40 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A* | 165 | 163 | 153 | 153 | – | – | – | – | – | – | – | – |
| A | 139 | 137 | 127 | 127 | 32 | 32 | 49 | 39 | 30 | 30 | 28 | 30 |
| B | 113 | 111 | 101 | 101 | 26 | 26 | 38 | 28 | 27 | 27 | 25 | 27 |
| C | 88 | 86 | 75 | 75 | 20 | 20 | 27 | 17 | 24 | 24 | 22 | 24 |
| D | 74 | 73 | 63 | 64 | 17 | 17 | 23 | 14 | 20 | 20 | 19 | 21 |
| E | 61 | 60 | 52 | 53 | 15 | 15 | 17 | 10 | 17 | 17 | 16 | 18 |
Marks for each grade
In total (11, 21, 31)
- 165 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade A* in June 2025.
- 139 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade A in June 2025.
- 113 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade B in June 2025.
- 88 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade C in June 2025.
- 74 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade D in June 2025.
- 61 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade E in June 2025.
In total (11, 21, 41)
- 163 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade A* in June 2025.
- 137 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade A in June 2025.
- 111 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade B in June 2025.
- 86 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade C in June 2025.
- 73 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade D in June 2025.
- 60 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade E in June 2025.
In total (12, 22, 32)
- 153 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade A* in June 2025.
- 127 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade A in June 2025.
- 101 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade B in June 2025.
- 75 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade C in June 2025.
- 63 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade D in June 2025.
- 52 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade E in June 2025.
In total (12, 22, 42)
- 153 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade A* in June 2025.
- 127 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade A in June 2025.
- 101 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade B in June 2025.
- 75 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade C in June 2025.
- 64 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade D in June 2025.
- 53 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade E in June 2025.
Paper 5090/11
- 32 out of 40 on Cambridge 5090 paper 5090/11 was a grade A in June 2025.
- 26 out of 40 on Cambridge 5090 paper 5090/11 was a grade B in June 2025.
- 20 out of 40 on Cambridge 5090 paper 5090/11 was a grade C in June 2025.
- 17 out of 40 on Cambridge 5090 paper 5090/11 was a grade D in June 2025.
- 15 out of 40 on Cambridge 5090 paper 5090/11 was a grade E in June 2025.
Paper 5090/12
- 32 out of 40 on Cambridge 5090 paper 5090/12 was a grade A in June 2025.
- 26 out of 40 on Cambridge 5090 paper 5090/12 was a grade B in June 2025.
- 20 out of 40 on Cambridge 5090 paper 5090/12 was a grade C in June 2025.
- 17 out of 40 on Cambridge 5090 paper 5090/12 was a grade D in June 2025.
- 15 out of 40 on Cambridge 5090 paper 5090/12 was a grade E in June 2025.
Paper 5090/21
- 49 out of 80 on Cambridge 5090 paper 5090/21 was a grade A in June 2025.
- 38 out of 80 on Cambridge 5090 paper 5090/21 was a grade B in June 2025.
- 27 out of 80 on Cambridge 5090 paper 5090/21 was a grade C in June 2025.
- 23 out of 80 on Cambridge 5090 paper 5090/21 was a grade D in June 2025.
- 17 out of 80 on Cambridge 5090 paper 5090/21 was a grade E in June 2025.
Paper 5090/22
- 39 out of 80 on Cambridge 5090 paper 5090/22 was a grade A in June 2025.
- 28 out of 80 on Cambridge 5090 paper 5090/22 was a grade B in June 2025.
- 17 out of 80 on Cambridge 5090 paper 5090/22 was a grade C in June 2025.
- 14 out of 80 on Cambridge 5090 paper 5090/22 was a grade D in June 2025.
- 10 out of 80 on Cambridge 5090 paper 5090/22 was a grade E in June 2025.
Paper 5090/31
- 30 out of 40 on Cambridge 5090 paper 5090/31 was a grade A in June 2025.
- 27 out of 40 on Cambridge 5090 paper 5090/31 was a grade B in June 2025.
- 24 out of 40 on Cambridge 5090 paper 5090/31 was a grade C in June 2025.
- 20 out of 40 on Cambridge 5090 paper 5090/31 was a grade D in June 2025.
- 17 out of 40 on Cambridge 5090 paper 5090/31 was a grade E in June 2025.
Paper 5090/32
- 30 out of 40 on Cambridge 5090 paper 5090/32 was a grade A in June 2025.
- 27 out of 40 on Cambridge 5090 paper 5090/32 was a grade B in June 2025.
- 24 out of 40 on Cambridge 5090 paper 5090/32 was a grade C in June 2025.
- 20 out of 40 on Cambridge 5090 paper 5090/32 was a grade D in June 2025.
- 17 out of 40 on Cambridge 5090 paper 5090/32 was a grade E in June 2025.
Paper 5090/41
- 28 out of 40 on Cambridge 5090 paper 5090/41 was a grade A in June 2025.
- 25 out of 40 on Cambridge 5090 paper 5090/41 was a grade B in June 2025.
- 22 out of 40 on Cambridge 5090 paper 5090/41 was a grade C in June 2025.
- 19 out of 40 on Cambridge 5090 paper 5090/41 was a grade D in June 2025.
- 16 out of 40 on Cambridge 5090 paper 5090/41 was a grade E in June 2025.
Paper 5090/42
- 30 out of 40 on Cambridge 5090 paper 5090/42 was a grade A in June 2025.
- 27 out of 40 on Cambridge 5090 paper 5090/42 was a grade B in June 2025.
- 24 out of 40 on Cambridge 5090 paper 5090/42 was a grade C in June 2025.
- 21 out of 40 on Cambridge 5090 paper 5090/42 was a grade D in June 2025.
- 18 out of 40 on Cambridge 5090 paper 5090/42 was a grade E in June 2025.