Grade boundaries
Edexcel GCSE Biology 1BI0 grade boundaries June 2025
The least raw mark that reached each grade in June 2025, as Edexcel printed it, for the whole subject and each paper.
From Edexcel’s grade boundaries for June 2025: the board’s document.
| Grade | Whole subjectout of 200 | 1BI0/1Fout of 100 | 1BI0/2Fout of 100 |
|---|---|---|---|
| 5 | 130 | 69 | 61 |
| 4 | 111 | 59 | 52 |
| 3 | 81 | 43 | 38 |
| 2 | 51 | 27 | 24 |
| 1 | 22 | 12 | 10 |
| Grade | Whole subjectout of 200 | 1BI0/1Hout of 100 | 1BI0/2Hout of 100 |
|---|---|---|---|
| 9 | 167 | 82 | 85 |
| 8 | 155 | 76 | 79 |
| 7 | 144 | 71 | 73 |
| 6 | 124 | 61 | 62 |
| 5 | 104 | 51 | 52 |
| 4 | 84 | 42 | 42 |
| 3 | 74 | 37 | 37 |
Marks for each grade
Foundation tier, in total
- 130 out of 200 on Edexcel 1BI0 Foundation tier in total was a grade 5 in June 2025.
- 111 out of 200 on Edexcel 1BI0 Foundation tier in total was a grade 4 in June 2025.
- 81 out of 200 on Edexcel 1BI0 Foundation tier in total was a grade 3 in June 2025.
- 51 out of 200 on Edexcel 1BI0 Foundation tier in total was a grade 2 in June 2025.
- 22 out of 200 on Edexcel 1BI0 Foundation tier in total was a grade 1 in June 2025.
Foundation tier, paper 1BI0/1F
- 69 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/1F was a grade 5 in June 2025.
- 59 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/1F was a grade 4 in June 2025.
- 43 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/1F was a grade 3 in June 2025.
- 27 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/1F was a grade 2 in June 2025.
- 12 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/1F was a grade 1 in June 2025.
Foundation tier, paper 1BI0/2F
- 61 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/2F was a grade 5 in June 2025.
- 52 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/2F was a grade 4 in June 2025.
- 38 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/2F was a grade 3 in June 2025.
- 24 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/2F was a grade 2 in June 2025.
- 10 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/2F was a grade 1 in June 2025.
Higher tier, in total
- 167 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 9 in June 2025.
- 155 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 8 in June 2025.
- 144 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 7 in June 2025.
- 124 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 6 in June 2025.
- 104 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 5 in June 2025.
- 84 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 4 in June 2025.
- 74 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 3 in June 2025.
Higher tier, paper 1BI0/1H
- 82 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 9 in June 2025.
- 76 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 8 in June 2025.
- 71 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 7 in June 2025.
- 61 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 6 in June 2025.
- 51 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 5 in June 2025.
- 42 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 4 in June 2025.
- 37 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 3 in June 2025.
Higher tier, paper 1BI0/2H
- 85 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 9 in June 2025.
- 79 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 8 in June 2025.
- 73 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 7 in June 2025.
- 62 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 6 in June 2025.
- 52 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 5 in June 2025.
- 42 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 4 in June 2025.
- 37 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 3 in June 2025.