I guess you are studying "ingeniería industrial" (sorry, I don't know how to translate this). I studied Computer Science Engeneering at Politécnica and it was ok.
Politécnica is a public university whereas Pontificia (ICAI) is a private university. In Spain public universities have better reputation than private ones. However, ICAI has very good reputation and, if you can afford it, I think it's the best choice.
Regards,
Antonio
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