After almost exactly one week, a Forum member who has written to the school has finally been able to report an answer from the director. The answer is positive in the sense that he indicates his interest in meeting me and hear the case again, but asks for time until after the presidential election(s) (?).
I would not be surprised that this was not the first mail they got from readers on here and I think that while this is potentially good news, anybody having been toying with the idea to write should not hesitate to do so in a non confrontational and constructive manner.
Thanks to the successful poster and to all other who have shown support!
I'll keep you all posted of the progress.
e pa'lante que vamo! 
nite, nite... J-D.
