IGCSE subject marking guides
How to mark IGCSE Maths, Science and English papers against the mark scheme, with the notation and levels each subject uses.
How to mark IGCSE First Language English 0500 with levels
How IGCSE First Language English 0500 is marked: R1–R5 and W1–W5, best-fit levels, Paper 2 mark splits, and what changes in the 2027 syllabus.
How to mark Cambridge IGCSE Maths 0580 papers
The 2025 changes to IGCSE Maths 0580 (non-calculator Papers 1 and 2), how to apply M, A, B, ft and isw marks, and how to settle common disputes.
How to mark IGCSE Biology, Chemistry and Physics theory papers
How to mark Cambridge IGCSE Biology 0610, Chemistry 0620 and Physics 0625 theory papers: the list rule, units, key terms, ecf and Paper 6.