Claire Murdoch had a goal and an assist in regulation time, plus the winner in the shootout, as edged the United States 7-6 in the development series finale in Lake Placid.
Sixty-nine players – 46 at U18 selection camp and 23 for the development series – will take to the ice in August.
Vicky Sunohara and Alison Domenico return to lead Canada’s U18 and development teams, respectively, this season.