1, different grades. The schools of the first echelon in Shanghai have a high enough social reputation and are commended by the municipal level or even the national level. The third echelon is an ordinary school.

2. The teaching level is different. The first echelon in Shanghai has a unique teaching and education concept, a unique educational method or a profound accumulation in running a school. The third echelon has the potential to become an excellent school in the future, but there is still room for improvement in both grades and students.