Refund query not resolved in a professional manner

My tuition fee for 2018 are payed in full, with extra R3900.00 I went to Lyceum College branch in Pretoria to submit (proof of payment, ID and bank statement copy) and signed necessary documents for a refund of R3900. 00 to Christinah Nthorwane ********** ) the student advicer. When I did a follow up she told me to contact the finance department. In August I spoke to Lebohang Makoro ********** ) 17th Aug she ask for documents I emailed her on the 21st. 12th September I did a follow up with her , she said I will be refunded after 4 to 6 weeks Oct 19th I emailed her and said time frame has lapsed Oct 22nd she responded with no hope Oct 23rd I wrote an email complaining about unprofessional service and notifying them about actions that I am going to take Oct 31st I emailed back asking about any progress. She did not respond to my email. 06th Nov I phoned the finance department and the reply that I received was that no payment have been made. It's almost December Lyceum College is not showing any interest in paying me back the extra money I paid in the beginning of the year. Their lack of professionalism is disappointing because I don't owe them anything for this year. I want the R3900:00 paid this year, I do not want any money transferred to next year 2019 tuition fee. I have been patient with this College but their ways of handling queries is bad beyond measures. No manager or supervisor has even tried to handle the matter, it is cold as it is