They all run at the same times. Either 9-12 or in the afternoon, I think 1-4 but we've always done mornings so not too sure. The instructors are really good and English speaking. You may even get a proper English. On Monday morning it can be a bit of a bun fight to find your groups and on a Monday only I think they start at 10 to give you a bit more time to get your stuff sorted, they then put you through a grading to see what level you are they also may move you around during the week to higher or even lower groups depending on your progression.
Steve will probably be along soon to confirm or correct.

Yes adults and children at the same time, albeit with different instructors - you'll find the timetable on our ski school page >>