Yes, you can!
Academy Series sessions (Movement, Foundation, Combination, and Creative) can be rescheduled up to 48 hours in advance beginning on July 15th, 2014.
Semi-Private and One-on-One sessions can also be rescheduled up to 48 hours in advance.
Saber sessions can be rescheduled up to 24 hours in advance.
For the Academy Series Premium sessions for Summer 2014, the cancelation policy is 8 weeks in advance.