Harry tries for a smile but he’s not sure it succeeds. Neither Granger parent looks happy. They do tuck in and start asking about the tutoring situation and the changes that Marvolo’s making to Hogwarts. It’s clear they have at least a basic understanding of the classes at the school now, which doesn’t surprise him as Hermione’s likely talked endlessly about them, and they’re rather approving when they find out that Marvolo’s planning to add practical non-magical courses like maths and literature.