What we usually refer to as IB mainly refers to the IB High School Diploma Program (IBDP), which lasts for two years and is aimed at 16- 19 high school students. In addition, the IBO Diploma Organization also provides IB primary school (PYP, G 1-5) and IB secondary school courses (MYP, G6- 10), but the number of schools that award elementary and junior high school courses is far less than that that that award IBDP.

A-level course is a local high school course in Britain, but it has developed into the largest and most influential international course in the world. Take CIE Examination Bureau as an example. At present, it offers courses in more than 9,000 schools in more than 65,438+060 countries.

According to the introduction, the mathematics in these schools is not too difficult. But mathematics is about step by step, and only one link is not mastered, which will affect the later study. Therefore, ring buckle is needed, which is the only way to improve the score.