Grade boundaries
Edexcel GCSE Biology 1BI0 grade boundaries June 2026
The least raw mark that reached each grade in June 2026, as Edexcel printed it, for the whole subject and each paper.
From Edexcel’s grade boundaries for June 2026: the board’s document.
| Grade | Whole subjectout of 200 | 1BI0/1Fout of 100 | 1BI0/2Fout of 100 |
|---|---|---|---|
| 5 | 132 | 65 | 67 |
| 4 | 115 | 57 | 58 |
| 3 | 84 | 42 | 42 |
| 2 | 53 | 27 | 26 |
| 1 | 22 | 12 | 10 |
| Grade | Whole subjectout of 200 | 1BI0/1Hout of 100 | 1BI0/2Hout of 100 |
|---|---|---|---|
| 9 | 170 | 84 | 86 |
| 8 | 158 | 78 | 80 |
| 7 | 147 | 73 | 74 |
| 6 | 126 | 62 | 63 |
| 5 | 105 | 52 | 52 |
| 4 | 84 | 42 | 42 |
| 3 | 73 | 37 | 37 |
Marks for each grade
Foundation tier, in total
- 132 out of 200 on Edexcel 1BI0 Foundation tier in total was a grade 5 in June 2026.
- 115 out of 200 on Edexcel 1BI0 Foundation tier in total was a grade 4 in June 2026.
- 84 out of 200 on Edexcel 1BI0 Foundation tier in total was a grade 3 in June 2026.
- 53 out of 200 on Edexcel 1BI0 Foundation tier in total was a grade 2 in June 2026.
- 22 out of 200 on Edexcel 1BI0 Foundation tier in total was a grade 1 in June 2026.
Foundation tier, paper 1BI0/1F
- 65 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/1F was a grade 5 in June 2026.
- 57 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/1F was a grade 4 in June 2026.
- 42 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/1F was a grade 3 in June 2026.
- 27 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/1F was a grade 2 in June 2026.
- 12 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/1F was a grade 1 in June 2026.
Foundation tier, paper 1BI0/2F
- 67 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/2F was a grade 5 in June 2026.
- 58 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/2F was a grade 4 in June 2026.
- 42 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/2F was a grade 3 in June 2026.
- 26 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/2F was a grade 2 in June 2026.
- 10 out of 100 on Edexcel 1BI0 Foundation paper 1BI0/2F was a grade 1 in June 2026.
Higher tier, in total
- 170 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 9 in June 2026.
- 158 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 8 in June 2026.
- 147 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 7 in June 2026.
- 126 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 6 in June 2026.
- 105 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 5 in June 2026.
- 84 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 4 in June 2026.
- 73 out of 200 on Edexcel 1BI0 Higher tier in total was a grade 3 in June 2026.
Higher tier, paper 1BI0/1H
- 84 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 9 in June 2026.
- 78 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 8 in June 2026.
- 73 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 7 in June 2026.
- 62 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 6 in June 2026.
- 52 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 5 in June 2026.
- 42 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 4 in June 2026.
- 37 out of 100 on Edexcel 1BI0 Higher paper 1BI0/1H was a grade 3 in June 2026.
Higher tier, paper 1BI0/2H
- 86 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 9 in June 2026.
- 80 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 8 in June 2026.
- 74 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 7 in June 2026.
- 63 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 6 in June 2026.
- 52 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 5 in June 2026.
- 42 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 4 in June 2026.
- 37 out of 100 on Edexcel 1BI0 Higher paper 1BI0/2H was a grade 3 in June 2026.