Four. Official website of Zhengzhou Boao Mathematics Training School shows that Zhengzhou Boao Mathematics Training School has four campuses. Zhengzhou Boao Mathematics Training School is a training institution specializing in cultural education in primary and secondary schools. Since its establishment, it has sent tens of thousands of outstanding students to prestigious schools and was rated as one of the top ten training institutions in Zhengzhou. Zhengzhou, called Shangdu in ancient times, is the capital of Henan Province, a megacity and the core city of Central Plains urban agglomeration.