Believe Me, I'm Lying — Jordan Lynde

When seventeen-year-old Harley's parents are killed in a car crash, she's desperate to find work so that she can support her little brother, Elliott. Pretending to be twenty-one, Harley accepts a role as a teacher - at a school for delinquents. It's tough - but life gets even more complicated when Harley starts to have feelings for not one, but two of her students . . .