i have no idea how it took me 30 ingames days but i found it shortly after commenting from talking to a student
I'm glad you managed to find it. Maybe I should make it more obvious which building is the shop. Maybe I'll put a sign or something above the door.
(This reply sounds super sarcastic but I promise it's not 😂)
I should probably add a map of the town like I've done with the academy now that I think about it