My son has just started reception this year and has trouble staying dry all day still - he goes through periods of being dry for a while then has lots of accidents for a while. Recently he’s been coming home wet from school most days, and today he was saturated halfway up his jumper and all the way to his socks - meaning he has very sore skin all over his legs and wouldn’t let me touch him when he came home 
The teacher never seems to have noticed that he’s wet and they’re not allowed to bring to clothes due to Covid (ridiculous) so he’s sore and stinking and probably freezing all day as I believe they have to have open windows in the classroom and I don’t know what to do any more any advice is appreciated.
We’ve spoke to the doctor who basically wasn’t interested and just told me to make sure he drinks plenty of water and I’ve spoke to the teacher several times who doesn’t really have anything to say just okay she’ll keep telling him to go to toilet.
Any advice I’m getting really upset about it all now and feel powerless 😭