To tackle the problem of the different approaches to grading across European educational systems, in the past years ECTS guidelines suggested that, in addition to their national scale, European institutions might use a European grading scale as a translation device into other grading systems. Such European scale was based on the statistical distribution of passing grades in each programme, which showed how the national scale was actually being used in that context and allowed for comparison with the statistical distribution of grades in a parallel programme of another institution.