I live in Garden City, NY and my son attends Chaminade, the high school that Colin Finnerty went to. Flannery is from Garden City and went to Garden City High school. There are also a few others on the roster from town. I don't know anything about Evans.
I don't know the families personally but the Finnerty's are a well-to-do family, and I assume the others from Garden City are financially OK. This town is considered a wealthy community. Long Island, in general is expensive to live on. As far as Zash, Massapequa is a south shore community that has a history of the wealthy side and the working class side (long island is also extremely segregated). Most of the Massapequa communities on the south side are along the Atlantic Ocean, and therefore would be the wealthier side. I do not know where in Massapequa Zash lives. If you remember, Massapequa is famous for "The Long Island Lolita - Joey (trash) Buttafucco. LOL
And don't leave out Matt Danowski of Farmingdale. I think his dad is the coach of the #2 ranked lacrosse team at Hofstra. He may also be a captain-not sure.