The highest possible score for the Diploma is 45.
Each subject is graded 1-7. Up to 42 points are available from the 6 Diploma subjects.
The other 3 points come from the grades awarded for the TOK and EE assessments.
To pass the Diploma pupils must meet a number of requirements. This includes a minimum of 24 points overall; at least 12 points from Higher Level subjects and no award of less than a grade 3 in a Higher Level subject.