User blog comment:Mrabidos21/Lego Friends as Harry potter, hogwarts students 2: Stephanie as Slytherin/@comment-26630331-20181209121655/@comment-35144671-20181209155605

Personally, I would put Andrea in Slytherin, Stephanie and Mia in Gryffindor, Olivia in Ravenclaw & Emma in Hufflepuff.