As far as I know, you can opt to pay the debenture as you go, pay each month. Around $7500 per month. The other way is to pay around $150,000 total for a fair market debenture. This allows you a fast track for the student enrollment.
Problem with this system, is if and when you take the student out of school, you have then to sell the debenture, at whatever market rate.
OK, if it companies money, but in case of KA, this is your own money.