Erm, surely it should be both? The world isn’t perfect, we won’t be able to stop rape, the same as we won’t be able to stop murder. But what you can do is learn how to lessen your chances. 
First of all, in most cases of rape, the attacker is known to the victim IE an abusive boyfriend/family member. For this girls need to know that it is OK to talk to people about it, and that you shouldn’t suffer in silence. People should be taught to seek help from someone they trust if they find themselves in this position.
Second, when it comes to the whole ‘slut walk’ stuff, dressing provocatively and being alone will make you a more ‘desirable victim’. If walk home in a short skirt and a skimpy cardigan by yourself and there is a rapist out there, then you will look more like an easy target to them. Girls should always be reminded to take a long coat with them (most nightclubs have cloakrooms, so you don’t need to worry about having it with you on the dance floor). Also you should avoid travelling home alone if you can. If there are more of you, you are less likely to be seen as an easy target. 
Third, most people like to go out and get drunk, but you should be reminded of the dangers of too much alcohol. You lose a lot of you inhibitions and go things you wouldn’t do without the influence of alcohol. You know, get up on tables and do the time warp, blurt secrets to people you barely know, try to say the alphabet backwards in Hebrew etc. Your judgement is clouded and this also makes you an easier target to nasty men. 

It’s true that the educational system needs to incorporate not treating men or women like a piece of meat, but that’s also down to families. I have seen men force and sneak their 7 year old sons into sex shops and such to make them ‘a real man’ and that’s not right. However you cannot be so naive to think that this alone will stop rape, or that it can be 100% ruled out. People need to know the dangers of being out alone, and how to deal with violent/abusive relationships. 

/rant.