My daughter's preschool just said they will accept bitcoins for tuition — I think that's a terrible idea

The rest of my daughter's preschool tuition is due on June 1st. I just got a message from the school informing me that they are pleased to announce that they will now be accepting bitcoins for tuition payments.
It's a really interesting time to be getting this email given that the value of a bitcoin has gone up 30% in the past week and has doubled in less than two months.
If I chose to take them up on their offer I would be paying them about nine and a half bitcoins at the current price. If I ha