A Level Biology B grade boundaries
9BI0Pearson Edexcel · June 2024 to June 2025
Check a mark
Add up your marks across every paper in a past series and enter the total. The chart and table below update to show what it would have got in every series.
Exam series
Enter a mark to see your grade.
Boundaries move every series, so treat this as a guide, not a prediction.
Every series
The minimum total mark for each grade. Entry code 9BI0.
| Series | Max mark | A* | A | B | C | D | E | Source |
|---|---|---|---|---|---|---|---|---|
| June 2025 | 300 | 217 | 188 | 160 | 132 | 105 | 78 | Board PDF, p3 (opens in a new tab) |
| June 2024 | 300 | 205 | 170 | 144 | 119 | 94 | 69 | Board PDF, p3 (opens in a new tab) |
These are overall raw-mark boundaries for the whole qualification. Component boundaries, and anything we don't hold yet, are in Pearson Edexcel's grade boundary documents. If a figure here doesn't match the board's document, the board's document is right.