While the students spend the episode speculating on various wild theories (like André's theory that Trina is a secret pop star), the actual reason is revealed by Sikowitz at the end of the episode:
: Tori and Robbie find themselves working at Nozu, the local sushi restaurant, to pay off a massive bill. They are forced to perform the "Squid Chopping Song" while preparing food. 9. How Trina Got In
: André believes Trina was part of a secret pop group and performs a high-energy dance number to illustrate his theory. While the students spend the episode speculating on