Hogwarts Houses: Percy Jackson and Heroes of Olympus

Percy: Gryffindor
Annabeth: Ravenclaw
Grover: Hufflepuff
Tyson: Hufflepuff
Thalia: Slytherin
Luke: Slytherin
Nico: Slytherin (Hatstall: Slytherin or Gryffindor)
Zoe: Ravenclaw
Bianca: Hufflepuff
Piper: Hufflepuff (Hatstall: Slytherin or Hufflepuff)
Jason: Gryffindor
Leo: Gryffindor
Frank: Hufflepuff
Hazel: Gryffindor
Reyna: Ravenclaw
Octavian: Slytherin
Drew: Slytherin
Connor and Travis: Slytherin
Clarisse: Slytherin (Hatstall: Slytherin or Gryffindor)
Silena: Hufflepuff
Charles: Gryffindor
Rachel: Ravenclaw
Chiron: Ravenclaw
Calypso: Gryffindor