Isn’t it freedom of assembly?
This is the first I’ve heard of this park. What a great idea!
I suspect that it is at Wisconsin Dells, which is North of Madistan, which is the home of these goofballs.
Yes, but if the school has any part in it, whiny nuisances will do their best to spoil the fun. It's still up to the schools, but they usually cave because the teachers union is hostile to expressions of Judeo-Christianity.
This is probably a non-issue for the most part. If it becomes an issue, parents can contest it by organizing the trip, spreading the word to other like minded people, then letting your child "call in sick" on the day of the trip.
Do it on Friday, and Monday the kids who went will be telling everybody what a good time they missed.