Skool fees

Carmen from the Attorneys call me in April 2024 and said that Die Anker school have handed me over for my son as he was their in 2015 I asked them on numerous times for the statement no statement just send me the banking details they have send a sheriff to my house why must I pay if I don't have any statement from them I can't pay for something and I don't know what I'm paying for or what the amount is