Some songs which can be sung at an audition by teenagers are:
“A lot of living to do” from Bye Bye Birdie
“My Own Little Corner” – Cinderella
“One Boy” from Bye Bye Birdie
“Much More” – The Fantastiks
“Far From the Home I Love” – Fiddler
Someone Like You from Jekyll & Hyde
Castle on a Cloud from Les Miserables
“Loverly” from “My Fair Lady”
Tomorrow from Annie