The school have sent ds's details to someone elses address.

[belledechocolatefluffybunny]

name, year, class and amount I pay. It doesn't bode well does it. They managed to send everything else to the right place though
Any ideas what I should do (apart from email and give them an ear full?) I'm a bit worried.

Isn't it just an administrative cock-up? Or is it the latest in a long line of administrative cock-ups? Was it sent to another pupil's address? Assuming yes, I don't really understand why you're worried - presumably they would pay the same amount as you?

I don't know who lives there. There's not alot of children from here who attend the school as it's in the neighbouring city. They know where we live though as they've been sending me things through the post all summer.

Presumably the person to whose address this letter was sent though does not know you or where you live so I don't see any reprecussions for you. It is annoying and I would be querying why the school have suddenly arrived at this random address for you but I do not see how having your son's name and class in this school can be used for any underhand purposes. That is assuming that they did not do what the vast majority of people would do which is either bin the letter or send it back to the school.