Class A and Class a+ assisted by Ape belong to the basic consolidation type, and their main difference lies in the different courses offered and the different teachers. Generally speaking, ape counseling is divided into class A, class A+ and class S, which belong to three difficulty steps. Class S is the most difficult class. This course is not for students to enter if they want to. Before registering, their abilities should be tested. Only students who pass the test can register.