Every OCR A-level Biology boundary set we hold —23 awards across 10 series. Marks are raw marks for the whole subject, and every table links to the document it came from.
Grade A boundary over time
Shown as a percentage of the maximum mark, because the maximum changes when a board reforms a specification and raw marks stop being comparable.
June 202665.2%176
June 202559.6%161
June 202459.3%160
June 202357.4%155
June 202257.8%156
November 202150.7%137
November 202053.3%144
June 201958.5%158
June 201858.9%159
June 201755.6%150
2700204A*176A150B124C98D72E0
Every boundary at its true height on the 270-mark scale.
Turn a mark into a grade
This is the total for the whole subject, not one paper. Working from paper marks? Use the paper calculator below.