Zhang Youhong According to the official website of Stalagmite Street Primary School, Zhang Youhong, the principal of Stalagmite Street Primary Education Group, took office on 20 17, so the principal of Stalagmite Street Primary School is Zhang Youhong. Sun Shi Street Primary School in Chengdu is a modern school rising rapidly in the reform and opening up. Adhering to the guidance of scientific research and modern educational technology, we have trained a large number of educational experts, school administrators, special-grade teachers, academic leaders and backbone teachers who enjoy high reputation in provinces and cities.