Failed what? if the student was from another field all he had to do was fly home and tell his FI that everything on his xc went just marvellous (talking from experience here) and nobody is any the wiser
?? When I did mine, I had a form to be signed by each of the away airfields with a space for a comment on my performance and airmanship. Is that something my school dreamed up? I assumed it was standard.