Grade boundaries
OCR A-level Biology A H420 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 | H420/01out of 100 | H420/02out of 100 | H420/03out of 70 |
|---|---|---|---|---|
| A* | 187 | 69 | 69 | 49 |
| A | 161 | 59 | 60 | 42 |
| B | 137 | 49 | 52 | 36 |
| C | 113 | 40 | 43 | 30 |
| D | 90 | 31 | 35 | 24 |
| E | 67 | 22 | 26 | 19 |
Marks for each grade
In total
- 187 out of 270 on OCR H420 in total was a grade A* in June 2025.
- 161 out of 270 on OCR H420 in total was a grade A in June 2025.
- 137 out of 270 on OCR H420 in total was a grade B in June 2025.
- 113 out of 270 on OCR H420 in total was a grade C in June 2025.
- 90 out of 270 on OCR H420 in total was a grade D in June 2025.
- 67 out of 270 on OCR H420 in total was a grade E in June 2025.
Paper H420/01
- 69 out of 100 on OCR H420 paper H420/01 was a grade A* in June 2025.
- 59 out of 100 on OCR H420 paper H420/01 was a grade A in June 2025.
- 49 out of 100 on OCR H420 paper H420/01 was a grade B in June 2025.
- 40 out of 100 on OCR H420 paper H420/01 was a grade C in June 2025.
- 31 out of 100 on OCR H420 paper H420/01 was a grade D in June 2025.
- 22 out of 100 on OCR H420 paper H420/01 was a grade E in June 2025.
Paper H420/02
- 69 out of 100 on OCR H420 paper H420/02 was a grade A* in June 2025.
- 60 out of 100 on OCR H420 paper H420/02 was a grade A in June 2025.
- 52 out of 100 on OCR H420 paper H420/02 was a grade B in June 2025.
- 43 out of 100 on OCR H420 paper H420/02 was a grade C in June 2025.
- 35 out of 100 on OCR H420 paper H420/02 was a grade D in June 2025.
- 26 out of 100 on OCR H420 paper H420/02 was a grade E in June 2025.
Paper H420/03
- 49 out of 70 on OCR H420 paper H420/03 was a grade A* in June 2025.
- 42 out of 70 on OCR H420 paper H420/03 was a grade A in June 2025.
- 36 out of 70 on OCR H420 paper H420/03 was a grade B in June 2025.
- 30 out of 70 on OCR H420 paper H420/03 was a grade C in June 2025.
- 24 out of 70 on OCR H420 paper H420/03 was a grade D in June 2025.
- 19 out of 70 on OCR H420 paper H420/03 was a grade E in June 2025.