Some schools scrap all the materials from previous cycles, other schools do not. You can/should call and verify. Honestly, calling is something that people think is bad for your app. I assure you it really isn't. You will be paying good money to apply, you should have no fear in calling schools to see what they are looking for.
Also, some schools DO NOT have updated websites, so that makes calling a more smart thing to do in any case. hope this helps.