It will be over a year before the Class of 2012 prospects even have a chance to play a college game, so a lot can change between now and then. When looking at some players who have the potential to make an instant impact, it wasn't about the highest ranking, but also looking at needs of schools. A player can be really talented, but might not play right away. They can still be a great player, but making an instant impact is about talent as well as ending with the right team with certain needs that creates the right situation to succeed immediately.
Here are a few players, in alphabetical order, who have a chance to make an instant impact in 2012.