I stand corrected!
Dorm feeds at Hotchkiss are at 10 pm after study hall, and it’s food – pizza, chicken wings, homemade brownies and milk, etc etc, and all/most of the kids and faculty gather and eat and hang out. There’s a faculty member who organizes the feed.
This happens frequently. I’d have ask my son, but definitely at least every other week, and likely even more frequent. Day students are included and take part (day students are assigned a room).
At Millbrook, dorm feeds happened once a term, and were complete meals. Again all I. The dorm participated, but these feeds were organized and paid for by the parents.