Rapists are rapists only. There should be no sentiment attached with them. Whether they repent it or try to amend things as they suddenly start to feel bad about the victim. Only severe most punishment, even more than death- if possible.
I don't think getting academic education has any role here. As there are so Called men or women who are educated enough. They too have been involved in this henious crime. Even sex education wont help if a twisted sick mind starts operating