Every OCR A-level Chemistry 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 202674.1%200
June 202578.9%213
June 202478.5%212
June 202373.3%198
June 202262.2%168
November 202163.7%172
November 202066.3%179
June 201972.6%196
June 201875.9%205
June 201773.3%198
2700234A*200A164B128C92D56E0
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.