When my s was in HS, they had 0.5h/week for math team.

my s never study in home(math homework finished inside the class) for math and just rely on this extra 0.5h/week, he made state team. I remembe we received a camp invitation for a few years. that camp is in Maine and a lot kids from around world. some people from MIT and a chinese guy were the directer. anyone here knew this camp? Is this a good camp for prepare math competition.