Grade boundaries
Cambridge Cambridge O Level Biology 5090 grade boundaries June 2026
The least raw mark that reached each grade in June 2026, as Cambridge printed it, for the whole subject and each paper.
From Cambridge’s grade boundaries for June 2026: 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 | Whole subject (50)out of 90 | 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 | 5090/50out of 90 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A* | 168 | 166 | 164 | 162 | 78 | – | – | – | – | – | – | – | – | – |
| A | 141 | 140 | 137 | 135 | 69 | 32 | 32 | 50 | 47 | 30 | 30 | 29 | 28 | 69 |
| B | 114 | 114 | 110 | 108 | 60 | 26 | 26 | 39 | 36 | 26 | 26 | 26 | 24 | 60 |
| C | 88 | 88 | 84 | 82 | 51 | 20 | 20 | 28 | 25 | 23 | 23 | 23 | 21 | 51 |
| D | 75 | 75 | 72 | 70 | 42 | 17 | 17 | 24 | 21 | 20 | 20 | 20 | 18 | 42 |
| E | 62 | 62 | 61 | 58 | 33 | 15 | 15 | 18 | 17 | 17 | 17 | 17 | 14 | 33 |
Marks for each grade
In total (11, 21, 31)
- 168 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade A* in June 2026.
- 141 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade A in June 2026.
- 114 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade B in June 2026.
- 88 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade C in June 2026.
- 75 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade D in June 2026.
- 62 out of 200 on Cambridge 5090 (11, 21, 31) in total was a grade E in June 2026.
In total (11, 21, 41)
- 166 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade A* in June 2026.
- 140 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade A in June 2026.
- 114 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade B in June 2026.
- 88 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade C in June 2026.
- 75 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade D in June 2026.
- 62 out of 200 on Cambridge 5090 (11, 21, 41) in total was a grade E in June 2026.
In total (12, 22, 32)
- 164 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade A* in June 2026.
- 137 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade A in June 2026.
- 110 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade B in June 2026.
- 84 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade C in June 2026.
- 72 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade D in June 2026.
- 61 out of 200 on Cambridge 5090 (12, 22, 32) in total was a grade E in June 2026.
In total (12, 22, 42)
- 162 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade A* in June 2026.
- 135 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade A in June 2026.
- 108 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade B in June 2026.
- 82 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade C in June 2026.
- 70 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade D in June 2026.
- 58 out of 200 on Cambridge 5090 (12, 22, 42) in total was a grade E in June 2026.
In total (50)
- 78 out of 90 on Cambridge 5090 (50) in total was a grade A* in June 2026.
- 69 out of 90 on Cambridge 5090 (50) in total was a grade A in June 2026.
- 60 out of 90 on Cambridge 5090 (50) in total was a grade B in June 2026.
- 51 out of 90 on Cambridge 5090 (50) in total was a grade C in June 2026.
- 42 out of 90 on Cambridge 5090 (50) in total was a grade D in June 2026.
- 33 out of 90 on Cambridge 5090 (50) in total was a grade E in June 2026.
Paper 5090/11
- 32 out of 40 on Cambridge 5090 paper 5090/11 was a grade A in June 2026.
- 26 out of 40 on Cambridge 5090 paper 5090/11 was a grade B in June 2026.
- 20 out of 40 on Cambridge 5090 paper 5090/11 was a grade C in June 2026.
- 17 out of 40 on Cambridge 5090 paper 5090/11 was a grade D in June 2026.
- 15 out of 40 on Cambridge 5090 paper 5090/11 was a grade E in June 2026.
Paper 5090/12
- 32 out of 40 on Cambridge 5090 paper 5090/12 was a grade A in June 2026.
- 26 out of 40 on Cambridge 5090 paper 5090/12 was a grade B in June 2026.
- 20 out of 40 on Cambridge 5090 paper 5090/12 was a grade C in June 2026.
- 17 out of 40 on Cambridge 5090 paper 5090/12 was a grade D in June 2026.
- 15 out of 40 on Cambridge 5090 paper 5090/12 was a grade E in June 2026.
Paper 5090/21
- 50 out of 80 on Cambridge 5090 paper 5090/21 was a grade A in June 2026.
- 39 out of 80 on Cambridge 5090 paper 5090/21 was a grade B in June 2026.
- 28 out of 80 on Cambridge 5090 paper 5090/21 was a grade C in June 2026.
- 24 out of 80 on Cambridge 5090 paper 5090/21 was a grade D in June 2026.
- 18 out of 80 on Cambridge 5090 paper 5090/21 was a grade E in June 2026.
Paper 5090/22
- 47 out of 80 on Cambridge 5090 paper 5090/22 was a grade A in June 2026.
- 36 out of 80 on Cambridge 5090 paper 5090/22 was a grade B in June 2026.
- 25 out of 80 on Cambridge 5090 paper 5090/22 was a grade C in June 2026.
- 21 out of 80 on Cambridge 5090 paper 5090/22 was a grade D in June 2026.
- 17 out of 80 on Cambridge 5090 paper 5090/22 was a grade E in June 2026.
Paper 5090/31
- 30 out of 40 on Cambridge 5090 paper 5090/31 was a grade A in June 2026.
- 26 out of 40 on Cambridge 5090 paper 5090/31 was a grade B in June 2026.
- 23 out of 40 on Cambridge 5090 paper 5090/31 was a grade C in June 2026.
- 20 out of 40 on Cambridge 5090 paper 5090/31 was a grade D in June 2026.
- 17 out of 40 on Cambridge 5090 paper 5090/31 was a grade E in June 2026.
Paper 5090/32
- 30 out of 40 on Cambridge 5090 paper 5090/32 was a grade A in June 2026.
- 26 out of 40 on Cambridge 5090 paper 5090/32 was a grade B in June 2026.
- 23 out of 40 on Cambridge 5090 paper 5090/32 was a grade C in June 2026.
- 20 out of 40 on Cambridge 5090 paper 5090/32 was a grade D in June 2026.
- 17 out of 40 on Cambridge 5090 paper 5090/32 was a grade E in June 2026.
Paper 5090/41
- 29 out of 40 on Cambridge 5090 paper 5090/41 was a grade A in June 2026.
- 26 out of 40 on Cambridge 5090 paper 5090/41 was a grade B in June 2026.
- 23 out of 40 on Cambridge 5090 paper 5090/41 was a grade C in June 2026.
- 20 out of 40 on Cambridge 5090 paper 5090/41 was a grade D in June 2026.
- 17 out of 40 on Cambridge 5090 paper 5090/41 was a grade E in June 2026.
Paper 5090/42
- 28 out of 40 on Cambridge 5090 paper 5090/42 was a grade A in June 2026.
- 24 out of 40 on Cambridge 5090 paper 5090/42 was a grade B in June 2026.
- 21 out of 40 on Cambridge 5090 paper 5090/42 was a grade C in June 2026.
- 18 out of 40 on Cambridge 5090 paper 5090/42 was a grade D in June 2026.
- 14 out of 40 on Cambridge 5090 paper 5090/42 was a grade E in June 2026.
Paper 5090/50
- 69 out of 90 on Cambridge 5090 paper 5090/50 was a grade A in June 2026.
- 60 out of 90 on Cambridge 5090 paper 5090/50 was a grade B in June 2026.
- 51 out of 90 on Cambridge 5090 paper 5090/50 was a grade C in June 2026.
- 42 out of 90 on Cambridge 5090 paper 5090/50 was a grade D in June 2026.
- 33 out of 90 on Cambridge 5090 paper 5090/50 was a grade E in June 2026.