Rude principal

The owner or principal of this school is rude she can't talk to parent that pay her salary. I pay my child school when I get paid on the 15 I told her Jan when I register my child. On the 8th of August at 5am she send me a wattsup saying don't bring your child to school I called her saying but u know we pay school fees on the 15 she said "mama stop wasting my time" and hang up the phone. She once send me a massage at about 8am while I was at work saying please come fetch your child in the office she doesn't have a tie on... Mean while I paid for the tie and they never gave her. This principal is rude she can't talk to parents I mean it's not a free school we pay but her attitude towards parent it's bad.