Tutoring Geography and Biology for students up to A Level/IB or Maths for GCSE

I recently graduated from the IB diploma with 43/45 points and I am currently a student at Durham university. I have been tutoring for around 8 months and have helped to elevate several students grades to the next level. I am not a qualified teacher. I work best reinforcing learning rather than teaching new topics and when revising for exams