Kzn learning mathematics are ******

I am tired of these people my daughter is in Grade 10 now, she use to attend Maths when she was in Grade 3 and I had a contract with them and when it finished I canceled and pay in full. This year they are calling me telling me I have an account and I told them that child is no longer there and they even canceled debit order. These people they use to take money on my account without my consent after I canceled. I am sick and tired of these ******. They are calling me with ***