i have the same problem there is this guy at my school and he's real cute and all but he's leaving for col in a month or so and i am leaving,to a different high school,in another year please help cos i need an answer I'm petty sure he likes me but I'm too scared to ask him out!
Are you both of age ? If so then no i do not see it as a problem.
Just enjoy his company, wait for your turn. :)
Let him go.