Reputation and also curriculum.
The private school in the next street was handy, but changed Principals and changed the curriculum where they had no music programmes or anything other than religion programs.
The public school he goes to offers a huge variety and hes thriving there. Kids he went to Kindy with who went on to this private school, arent going great, are bullied as the school doesnt have a bully procedure and their parents arent thrilled in general. Best decision we made sending him elsewhere!