If you don't want to come up with something as simple as the name of your characters, what are you doing writing? Why are you asking others to come up with what is supposedly 'your story'?
And no this doesn't seem like writer's block. It seems to me you just picked a type of story (a school-type) and couldn't be bothered to come up with ANYTHING (names and your actual plot) so now you are asking others to do that work for you.
Writer's Block is when you don't feel motivated to write (correct me if I'm wrong). Surely you can come up with NAMES without others' input >_< Surely that isn't such a hard task. and perhaps put a little more effort into your plot and such without external help.