Hi
@Foxtrot, I asked a similar question a few months ago and got a really detailed answer. I'll paste it below and hopefully there's something there you'll find helpful. I start signalling school on the 12th Feb so maybe see you there, or if you're starting before then best of luck with it all

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"I went to York a few years ago now but I don't believe the arrangements have changed that much, so here goes...
It was (roughly) 9-5 Mon-Thu with a lunchtime-ish finish on the Friday. Some of the trainers are flexible regarding start/finish times so (if the group agree) you may be able to start earlier and finish earlier - and hence get some more time on the sim or revising as a group on the run up to the exams or high risk simulations. In terms of food it differs slightly on the hotel that you're put in but it's 3 meals a day (breakfast at the hotel, lunch at the WDC and dinner at the hotel in the evening). The lunch was generally pretty good at the WDC with hot/cold stuff available that changes from day to day (pies, jacket potatoes etc...)
They use a range of hotels, our furthest one out was a 10 min walk from the WDC so not far at all - they change the hotels all the time though so that could be different now.
Tickets will be provided either by your LOM or through rosters, they'll ask you where you want to travel from and they'll buy the tickets for you and email you with a code to collect them at the station - they're also open so aren't tied to a particular train.
I really enjoyed signalling school but be prepared to put in the hours, especially on the run up to the exams. Make sure you get the simple concepts sorted as they are built upon in the latter stages of the course (the bell codes if you're on the absolute block course, for example). The rule book is a bit of a minefield with stuff spread everywhere, so learn where to find stuff when you need it when you get back to the box.
Any more questions I'll try to answer!"