I specialised in Mathematics. I have been teaching for the last 24 years in an independent and international schools. I am an A-level (C1234/FP123/S123) and IB (MS/SL/HL) as well as IGCSE. I have been an associate with Pearson where i marked final exams in the Asia and the Pacific. English is the medium of instructions. You will waste the money you paid. Hope to hear from you.