Avation ground school

It's a ground school for pilots based on Wonderboom airport...RAD Avation... they make you sign a contract and take a upfront payment... but never help you as you book a class for or as it fits them and that's maybe 1s a week or less and if you are there ...helps you maybe 2 hours after your booking...please avoid them for schooling if you want a ground school for you exams prep as a Pilot in SA ..! they are unprofessional. hopes this helps atleast 1 person. good luck.