Silly boy. Difficult to know, unless you give some more facts.
What is the reason you have only gotten into the air twice in 8 months?
Did you sign a contract?
How did you pay the establishment - Credit/Debit card or cash.
Who have you spoken to in person at the school - owner/CFI? How have those conversations been, and what is the reason they are giving for not handing it back?
There are just too many crooks in this game to be paying up-front.