The large group is excited about the upcoming event.
Answer:
Number 1: He doesn't know if he'll be accepted there.
Number 2: He is afraid of the Sorting Hat landing him into Slytherin.
Number 3: He doesn't know basic spells, potion recipes, etc..
Number 4: He's afraid someone might catch him walking through the wall in platform 9-3/4.
Explanation:
He is having a man vs self conflict on weather he should go and risk passing or stay home and be bored but pass
