I’m a teacher and you would not believe the things that literally vanish off the face of the earth on a daily basis. A brand new coat went missing from the coat pegs outside my class at the start of the year and the poor boy was in tears knowing his mum wasn’t going to be happy but he had genuinely hung it up there when we came back to class.
I fully appreciate how infuriating it is for parents when things go missing, although I also think some parents seem to think their child is the only one who attends the school. They act as I’m just there to follow their child around for the entire day. I’ve to make sure he eats his sandwiches (report back on how much he ate), put his shoes on for him at P.E, brush his teeth for him after lunch, sort out the argument he got into at lunch time because someone looked at someone in the wrong way, put his homework into his bag and a letter he claimed not to have yet but was given yesterday, oh and educate him (forgot that bit). All the while trying to do this simultaneously for the other 32 children in the class, as well as photocopy, mark work, plan, make assessments, tidy up, wash hands (on repeat) and get a mouthful of my own lunch at some point in there.
Just making the point that when you approach a teacher about lost property (from a year ago) at the end of the day, this is priority number 1005 on their list, no matter how lovely they are and how much the genuinely do care. I think a lot of people forget how much of an impossible task it is!
I’d say given this isn’t something another child has done to your child and is obviously the parent who has taken the jacket and changed the name (after possibly a genuine misunderstanding on the child’s part), I’d contact that parent directly to highlight this if you want to do something about it. Even try to make the message sound nice but clearly acting confused as to why this had happened to your child’s jacket. I’ve seen parents in my area even posting it on the local Facebook groups when there’s issues with lost property. You could do that but not mention the child’s name, just say what has happened and how disappointed you are that someone would have done this