Quite right.
As to the skiing thing - I was lucky enough myself, to go on a school skiing trip when was about 14. However, Hove Park's take on this was a week in Bulgaria, flying into Plovdiv military airbase. Cost about £200.00 I think, and I learned to ski. I knew full well that it was an...
This particular case sounds a bit rubbish on the part of the school. They've ruined the day of 100 kids, and brought a heap of bad PR on themselves over $1000. A bit of enterprise might have seen that donated by a local business in sponsorship, to allow the excluded kids to attend.
On the whole...