I love this, "we're too lazy to change" becomes "Hogwarts starts I September" therefore gives Americans proper justification----here in Switzerland we start school of august and end the of july or june.(the first one of those two,i always get mixed up)
I never thought of how Muggleborns get onto the the platform. what about getting into Diagon Alley too? Hagrid is awesome,nut he can't do it all. Maybe Albus shows himself, and helps them onto the platform after he's had his laughs.