Grade boundaries
Cambridge Cambridge O Level Science - Combined 5129 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 subjectout of 200 | 5129/12out of 40 | 5129/22out of 80 | 5129/32out of 40 |
|---|---|---|---|---|
| A* | 150 | – | – | – |
| A | 129 | 26 | 48 | 30 |
| B | 108 | 22 | 40 | 25 |
| C | 88 | 19 | 31 | 21 |
| D | 76 | 17 | 26 | 18 |
| E | 64 | 15 | 21 | 15 |
Marks for each grade
In total
- 150 out of 200 on Cambridge 5129 in total was a grade A* in June 2026.
- 129 out of 200 on Cambridge 5129 in total was a grade A in June 2026.
- 108 out of 200 on Cambridge 5129 in total was a grade B in June 2026.
- 88 out of 200 on Cambridge 5129 in total was a grade C in June 2026.
- 76 out of 200 on Cambridge 5129 in total was a grade D in June 2026.
- 64 out of 200 on Cambridge 5129 in total was a grade E in June 2026.
Paper 5129/12
- 26 out of 40 on Cambridge 5129 paper 5129/12 was a grade A in June 2026.
- 22 out of 40 on Cambridge 5129 paper 5129/12 was a grade B in June 2026.
- 19 out of 40 on Cambridge 5129 paper 5129/12 was a grade C in June 2026.
- 17 out of 40 on Cambridge 5129 paper 5129/12 was a grade D in June 2026.
- 15 out of 40 on Cambridge 5129 paper 5129/12 was a grade E in June 2026.
Paper 5129/22
- 48 out of 80 on Cambridge 5129 paper 5129/22 was a grade A in June 2026.
- 40 out of 80 on Cambridge 5129 paper 5129/22 was a grade B in June 2026.
- 31 out of 80 on Cambridge 5129 paper 5129/22 was a grade C in June 2026.
- 26 out of 80 on Cambridge 5129 paper 5129/22 was a grade D in June 2026.
- 21 out of 80 on Cambridge 5129 paper 5129/22 was a grade E in June 2026.
Paper 5129/32
- 30 out of 40 on Cambridge 5129 paper 5129/32 was a grade A in June 2026.
- 25 out of 40 on Cambridge 5129 paper 5129/32 was a grade B in June 2026.
- 21 out of 40 on Cambridge 5129 paper 5129/32 was a grade C in June 2026.
- 18 out of 40 on Cambridge 5129 paper 5129/32 was a grade D in June 2026.
- 15 out of 40 on Cambridge 5129 paper 5129/32 was a grade E in June 2026.