The cast of the stage version of “High School Musical” rehearses through the night at Disneyland Paris. “This kind of show might once have been seen as the kind of embarrassing first step that singers and dancers go quiet about when they make it to the West End. While most of these young performers, living in student-dorm style accommodation with the rest of the 12,200 staff, are keen to move on to bigger stages and full-length shows, many are increasingly proud of working at the resort….”