After the GCSEs are taken in May and June and the results are posted out in August. The available grades are A*-E. A* being the highest and E being the lowest. In GCSE maths there are 5 classes every year. Two fourth year classes (S1A + S1B) and three fifth year classes(S2C + S2D + S2E). All students will sit two exams. The students doing the higher tier will sit paper 5 and paper 6 and can achieve a grade between A*-C. The students doing the intermediate tier sit paper 4 and paper 5 and they can achieve a grade between B-D. The students doing the foundation tier sit paper 3 and 4 and can achieve a grade between C-E. Between the two papers one of them will require a scientific calculator and the other forbids a calculator. Each of these papers consist of 40% of the overall result and the other 20% is for coursework.