High school students generally study professional knowledge in the winter and summer vacations of Grade One and Grade Two, and usually study and practice pronunciation and piano in the cultural class. Senior three sprinted professional courses in training last semester. Most of the training courses of training institutions start at this time. It is recommended to find a teacher to give strength and get good grades. There are classes such as fast class, middle class, slow class, 1 to 1, and you can choose according to your own situation.