I do not think that this is a good idea. You can not use such money and credit funds, because there are always risks. And investing in yourself is always a plus. I can wish you good luck and do not do it again.
That is a total mistake, if the cost of school fees is used as an investment for bitcoin. Prioritize the important needs first before you bet anything. Investing in bitcoin takes a long time and even I am not sure that you will get the best out of investment, due to price fluctuations. You can never predict the price, you may not have the money to pay your school fees when the deadline is reached.