June 17 to June 19, 2023. According to official website of Zhangjiagang Education Admissions Examination Institute, in 2023, the senior high school entrance examination in Zhangjiagang will be held from June 17 to June 19. Zhangjiagang City is a county-level city in Jiangsu Province, sponsored by Suzhou City, located in the east of Chinese mainland and on the south bank of the lower reaches of the Yangtze River.