Prefects

Prefects are students who accept some responsibility for maintaining order and discipline at Hogwarts. There are a number of Prefects from each house: two from each house in fifth and possibly sixth year.

Gryffindor
Boy: open
Girl: open
* Previously Hermione Granger and Ron Weasley
 

Hufflpuff
Boy: Ernie Macmillan (canon)
Girl: open
 
 

Ravenclaw
Boy: Anthony Goldstein (canon)
Girl: Padma Patil (canon)
 
 

Slytherin
Boy: Open
Girl: Pansy Parkinson (canon)