Thanks so much for your email.
This is fairly common and it is why I recommend you get ready to promote in the Fall! Have you made any progress in securing student names and emails so that we can send out invites to students in the mail come September to an initial info meeting? This is crucial so that you can have some more enrollments and in turn extra chaperone spots.
When does your visa expire? I will look into this for you, but you may be alright if it is not before tour!