I have graduated with BSc in Financial Mathematics, and have achieved 9 in GCSE Mathematics, A* for A-level Mathematics, and A for A-level Further Mathematics.
When I was doing my A-level at school, I was an assistant tutor for Year 11 students preparing for the GCSE. I do tutoring for them 2hours per week and some of them has improved from grade 3 or 4 to 6 or 7 in just a few months time.