A nonrefundable deposit totaling 25% of the STSI tuition ($550) is due within seven (7) business days after your acceptance to the STSI to confirm your enrollment. (Please note, if the deposit is not received within seven (7) business days, the seat will be released.) Full non-refundable balance ($1,650) is due by June 30, 2015. There is no refund payable for events after the event. If you are unable to attend the Summer Institute, all money paid will be non-refundable.