Confessions of a Teenage Cross-Dresser

Sabrina wants to drop out of school to follow her dreams, but when her parents don't let her, she runs away and disguises herself as a boy in a private school to stay out of the public eye. When she starts falling for her roommate, finds an unlikely boyfriend, and starts switching personas from girl to boy, what will happen? Will she make it out undiscovered? Puckabrina AU