Grade boundaries
OCR A-level Chemistry B (Salters) H433 grade boundaries June 2025
The least raw mark that reached each grade in June 2025, as OCR printed it, for the whole subject and each paper.
From OCR’s grade boundaries for June 2025: the board’s document.
| Grade | Whole subjectout of 270 | H433/01out of 110 | H433/02out of 100 | H433/03out of 60 |
|---|---|---|---|---|
| A* | 216 | 87 | 78 | 51 |
| A | 176 | 71 | 64 | 41 |
| B | 146 | 59 | 53 | 34 |
| C | 117 | 47 | 42 | 28 |
| D | 88 | 35 | 32 | 21 |
| E | 59 | 23 | 22 | 14 |
Marks for each grade
In total
- 216 out of 270 on OCR H433 in total was a grade A* in June 2025.
- 176 out of 270 on OCR H433 in total was a grade A in June 2025.
- 146 out of 270 on OCR H433 in total was a grade B in June 2025.
- 117 out of 270 on OCR H433 in total was a grade C in June 2025.
- 88 out of 270 on OCR H433 in total was a grade D in June 2025.
- 59 out of 270 on OCR H433 in total was a grade E in June 2025.
Paper H433/01
- 87 out of 110 on OCR H433 paper H433/01 was a grade A* in June 2025.
- 71 out of 110 on OCR H433 paper H433/01 was a grade A in June 2025.
- 59 out of 110 on OCR H433 paper H433/01 was a grade B in June 2025.
- 47 out of 110 on OCR H433 paper H433/01 was a grade C in June 2025.
- 35 out of 110 on OCR H433 paper H433/01 was a grade D in June 2025.
- 23 out of 110 on OCR H433 paper H433/01 was a grade E in June 2025.
Paper H433/02
- 78 out of 100 on OCR H433 paper H433/02 was a grade A* in June 2025.
- 64 out of 100 on OCR H433 paper H433/02 was a grade A in June 2025.
- 53 out of 100 on OCR H433 paper H433/02 was a grade B in June 2025.
- 42 out of 100 on OCR H433 paper H433/02 was a grade C in June 2025.
- 32 out of 100 on OCR H433 paper H433/02 was a grade D in June 2025.
- 22 out of 100 on OCR H433 paper H433/02 was a grade E in June 2025.
Paper H433/03
- 51 out of 60 on OCR H433 paper H433/03 was a grade A* in June 2025.
- 41 out of 60 on OCR H433 paper H433/03 was a grade A in June 2025.
- 34 out of 60 on OCR H433 paper H433/03 was a grade B in June 2025.
- 28 out of 60 on OCR H433 paper H433/03 was a grade C in June 2025.
- 21 out of 60 on OCR H433 paper H433/03 was a grade D in June 2025.
- 14 out of 60 on OCR H433 paper H433/03 was a grade E in June 2025.