Advanced mathematics needs to be studied. In senior two, besides high numbers, you have to learn linear algebra and probability theory. This is all math. The basic courses are management, economics and so on.

Tourism management is two disciplines under business administration. Basically, business administration is a course that needs to be studied. You should add the word "tourism" to the front, which is what you want to learn, such as tourism human resources, tourism economics, tourism psychology, tourism financial management and so on. Other professional courses need to look at your future direction, and there may be hotel-related courses.