Watch as the girls are sitting in class neatly dressed in matching school uniforms as they sing and dance in this special video titled "Cause You're Pretty."
'Idol School' will take place at English Village in Paju. The location is currently being used for 'Produce 101'. The students of the show will go through 11-week training and the top students will be debuting in a girl group after graduation. The show is scheduled to air on July 13.
Check out the students performing "Cause You're Pretty" below!