1 month in some districts1exam at the end of February.
Both models are in mid-April.
The third mode is only a few districts and counties, after mid-May. Many schools either don't take the exam or make their own propositions. After all, the college entrance examination is coming soon.
The third question. . . . Ha ha. . . Of course, all the people who can take the Shanghai college entrance examination are locals, and a few are foreigners with residence permits. The Shanghai college entrance examination was originally a proposition of its own, and the number of plans was also independent. As long as you take the college entrance examination in Shanghai, you won't discriminate against any students.