Best bet is if Walpole competes in the D1 tourney . They would not do well in Super 8 based on competition alone. Their regular season record is great but not playing any Catholics or top Publics will only hurt them if they get voted into Super 8. Arlington and Hingham play them so will earn a Super 8 bid.
Look up the hingham or Reading or Burlington or Arlington coaches emails on the Mass H.S. hockey website and forward them to the coach and have him schedule a scrimmage. At least you can see what you up against.
Plus it's in the interest of the program to start scheduling better games to build the program and keep kids at the H.S. as more junior teams come asking for checks.