Fully sympathise MG
You are quite right to be pissed off, there can't be a soul here who wouldn't be.
If as you say the said person took money knowing that the inevitable was only days away, she deserves all the haranguing she gets here...and more.
In the eyes of the law it 'may' be nothing more than immoral, but this is a small industry and if what you say is true, we all need to know to avoid her and any company she becomes involved with in the future. On that basis you post is fully justified.
It's tough enough without treatment like that! At least there are some honest schools out there who seem prepared to help.
Good luck!!