I think when you get to the varsity level, more HS are attending tournaments as a HS team. The Crabs makes it clear in their sign-ups that you have to clear with HS coach that the schedules won't conflict. In the past that was not an issue but the more tournaments that HS participate in, the more conflict. My guess is any smart kid will choose to play with his HS team over club if forced to choose. Most club's will understand the decision