A Level Chemistry B (Salters) grade boundaries
H433OCR · 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 H433.
| Series | Max mark | A* | A | B | C | D | E | Source |
|---|---|---|---|---|---|---|---|---|
| June 2025 | 270 | 216 | 176 | 146 | 117 | 88 | 59 | Board PDF, p2 (opens in a new tab) |
| June 2024 | 270 | 221 | 186 | 156 | 127 | 98 | 69 | Board PDF, p2 (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 OCR's grade boundary documents. If a figure here doesn't match the board's document, the board's document is right.