City key schools. According to the information of Zhangjiagang Education Bureau, the west campus of Zhangjiagang Liangfeng Junior Middle School is a key school in the city. Zhangjiagang City, a county-level city in Jiangsu Province, is managed by Suzhou City. It is located in the east of Chinese mainland, on the south bank of the lower reaches of the Yangtze River, with Changshu in the southeast, Suzhou-Xichang in the south, Jiangyin in the west, the Yangtze River in the north and Rugao and Jingjiang across the river.