The six subjects in the senior high school entrance examination are: Chinese, Mathematics, English, Physics, Chemistry, Politics and History.
Class A means that every course is in the top 5% of the city (county).
Many key high schools require students to reach 6A.
There is no absolute value in the score of A, which is divided according to a certain proportion of students who took the senior high school entrance examination that year. If the test scores of all subjects are different, the dividing line of upper A is different.
The senior high school entrance examination, that is, "junior high school graduation and senior high school entrance examination", is a selective examination, but it is also based on compulsory education; The senior high school entrance examination should consider the potential ability of junior high school students to continue their studies after entering high school, but high school education is still the category of basic education.