There will be a model test from early January to mid-January. According to the query, the third network shows. Take the college entrance examination in Shanghai in 2023 as an example. The arrangements in different districts are different. Hongkou district 1.3, Xuhui district 1.3-5, Baoshan district 1.4-5, Putuo district 1.4-6. Therefore, the Shanghai high school model test is conducted from the first half of 1 month to the middle of 1 month.