They are all good, mainly because the difficulty is different, and the students should be divided into classes according to their learning foundation.

The target class of learning and thinking is equivalent to the key class. Generally speaking, the school will assign experienced and capable teachers to key classes, and the school pays more attention to the students in key classes, and the enrollment rate of key classes is also relatively high.

Learning and thinking innovation class is the most difficult class, suitable for students with good foundation to learn and improve, equivalent to top class, with fast course progress and difficult learning content.