Questione giuridica chiave
Whether the federal appeal was admissible against an expulsion linked to exam failures.
Decisione estratta
The appeal was only admissible to the extent it challenged application of the study regulations; it was inadmissible insofar as it attacked the assessment of exam performance and grades.
Motivazione estratta
Art. 83 let. t LTF excludes appeals against exam results and capability assessments, while constitutional grievances must be specifically reasoned.