The words "funded" and "financed" are very similar. However, some organizations have "funds" in reserve".
They have "funds" set aside and already available for different projects, and therefore, don't need to be "financed" or supplied money from a bank.
If you use the word, "financed" most people would believe you were talking about a loan.
If the school had money in reserve collected from the student's parents, I would say they were "funded".
Hope this helps